Every source GILD analyzed, newest first. Each says who the source is, how it knows, whether it still applies and which findings it counts toward. Open a count to see only its sources.
Source
41 sources in Leaders and teams rolling it out, with product documentation Showing all 89 sources
Positive
Perplexity - Enterprise Pro Frequently Asked QuestionsUniversity IT service page
Texas A&M offers Enterprise Pro campus-wide at US$108 a year per license, approves it for public, internal, and FERPA data, and requires approval before HIPAA data.
Negative
A third of Perplexity's citations don't contain the number they're cited forIndependent benchmark, Haus Research
Haus Research asked Sonar and Sonar Pro 310 questions about 210 technology companies. Of 1,826 citations behind a figure, 34.7% pointed at a page that would not open or held none of the sentence's figures.
Negative
Three sites made 215,128 "best software" pages for AI. Perplexity cites themIndependent benchmark, Trellner
Trellner put 380 software categories to Sonar and Sonar Pro; 59.8% of 7,534 citations pointed at domains outside the 100,000 most-visited sites, and three related sites had published 215,128 generated best-software pages.
No opinion stated
Perplexity Free Trial Ended June 1, 2026University IT service page
Texas State ended its campus Perplexity trial on June 1, 2026, encouraged users to move what they want to keep into Google Gemini, and now offers departmental licenses at US$480 per user a year.
Mixed
LiveResearchBench: A Live Benchmark for User-Centric Deep Research in the WildIndependent benchmark, arXiv
Sonar Reasoning and Sonar Reasoning Pro scored just behind Gemini 2.5 Pro on factual and logical consistency, which the authors credit to concise reports. Both scored lowest of the single-agent web models on coverage.
Negative
"AgenticBlabbering" How AI Browsers' Verbose Reasoning Fuels the Ultimate Scamming MachineCompany research blog, Guardio Labs
Guardio captured the reasoning and tool calls Comet's agent streams while it browses, then used them to tune a phishing page offline until the guardrails stopped objecting. Comet fell for the tuned page after under four minutes of training.
Counts toward
Positive
Perplexity Enterprise Pro trial at Corvinus: 16 March - 17 April 2026University news page
Corvinus opened Enterprise Pro to its students and staff for a trial from March 16 to April 17, 2026. The university presents it as an assistant for literature search and academic writing that answers with source citations drawn from several AI models.
Positive
Search Arena: Analyzing Search-Augmented LLMsResearch paper, arXiv
In Search Arena's human preference votes, Sonar Reasoning Pro with high search context tied Gemini 2.5 Pro Grounding for first place. The authors found Perplexity models leaned toward social media and community blogs as sources.
Counts toward, pending a recheck
Negative
Unseeable prompt injections in screenshots: more vulnerabilities in Comet and other AI browsersCompany blog post, Brave
Brave's VP of Privacy and Security reports that faint text hidden in an image reached Comet's model as commands when a user asked about a screenshot. The VP calls indirect prompt injection a challenge for every AI browser.
Not counted
Its author works at Brave, whose browser competes with Perplexity Comet. Kept in the record; it takes part in no figure.
Negative
Is Perplexity Comet Safe? LayerX Finds a Prompt Injection Attack VectorCompany research blog, LayerX
LayerX showed that a single crafted link could make Comet send email and meeting data it had seen to an attacker, with no malicious page content needed. LayerX reports that Perplexity replied it could find no security impact.
Counts toward, pending a recheck
Mixed
Lenny's Podcast: Ethan Smith on AI search visibilityPodcast episode, Lenny's Podcast
Graphite's study of thousands of questions found Perplexity's citations overlap Google's about 70% of the time, against about 35% for ChatGPT.
"Perplexity was around 70%, but essentially they're all similar algorithms, but with very different citations and results."
Negative
LayerX Finds that Perplexity's Comet Browser is Up To 85% More Vulnerable to Phishing and Web Attacks Than ChromeCompany research blog, LayerX
LayerX ran the 100 most recent reported phishing attacks against five browsers. Comet stopped 7% of them out of the box, against 47% for Chrome and 54% for Edge.
Counts toward, pending a recheck
Negative
Agentic Browser Security: Indirect Prompt Injection in Perplexity CometCompany blog post, Brave
Brave's security team found that Comet fed part of a page to its model without separating it from the user's request. Hidden text in a Reddit comment could then steer the assistant into a logged-in Gmail tab. Brave reported the flaw to Perplexity.
Not counted
Its author works at Brave, whose browser competes with Perplexity Comet. Kept in the record; it takes part in no figure.
Negative
"Scamlexity" We Put Agentic AI Browsers to the Test - They Clicked, They Paid, They FailedCompany research blog, Guardio Labs
Guardio Labs made Comet its main test subject. In some runs Comet checked out on a fake Walmart store with the user's payment details. It also opened a live phishing link from a fake bank email and helped fill in the login.
Counts toward, pending a recheck
No opinion stated
Perplexity is using stealth, undeclared crawlers to evade website no-crawl directivesCompany blog post, Cloudflare
Cloudflare's tests found Perplexity using undeclared crawlers with rotating IPs and a generic user agent on sites that blocked it, and Cloudflare de-listed it as a verified bot.
"Based on Perplexity’s observed behavior, which is incompatible with those preferences, we have de-listed them as a verified bot and added heuristics to our managed rules that block this stealth crawling."
Positive
How I Built a Self-Updating AI Sales Agent for Using Perplexity Public RoomsCompany blog post, DEV Community
Scalevise built a public Perplexity Room from its website, resources, and case studies that qualifies leads, matches their needs to services, and offers a booking link.
Counts toward
Mixed
ResearcherBench: Evaluating Deep AI Research Systems on the Frontiers of Scientific InquiryIndependent benchmark, arXiv
Perplexity Deep Research scored 0.48 on the rubric against 0.70 for OpenAI Deep Research, which the authors call moderate performance. Sonar Reasoning Pro had the highest groundedness score of any system tested, at 0.68.
Counts toward, pending a recheck
Negative
Mind2Web 2: Evaluating Agentic Search with Agent-as-a-JudgeIndependent benchmark, arXiv
Perplexity Pro Search fully solved 8% of the evaluated tasks and Perplexity Deep Research 15%, against 28% for OpenAI Deep Research. The authors found Pro Search struggled to synthesize accurate answers from many sources.
Counts toward, pending a recheck
Negative
The Attribution Crisis in LLM Search ResultsResearch paper, arXiv
Across about 14,000 LMArena conversations, Perplexity's Sonar visited about 10 relevant pages per query and cited three to four of them.
Counts toward
Mixed
DeepResearch Bench: A Comprehensive Benchmark for Deep Research AgentsIndependent benchmark, arXiv
Perplexity Deep Research had the highest citation accuracy of four deep research agents at 90.24%, while its overall report score of 42.25 trailed Gemini at 48.88 and OpenAI at 46.98.
Counts toward, pending a recheck
Positive
TXST implements AI tools across campus, classesNews article, The University Star
Texas State gave every student, faculty member, and staff member Enterprise Pro in April 2025, and its IT digital strategies lead praised choosing among models inside one tool.
Counts toward, pending a recheck
Positive
Kogod School of Business Partners with Perplexity to Provide Enterprise AI Access to All Students, Staff and FacultyOrganization announcement
The school gave every student, staff member, and faculty member Enterprise Pro, with faculty building research knowledge bases and staff bringing it into daily workflows.
Not counted
The school announced a partnership with Perplexity that gives every student and staff member Enterprise Pro. Kept in the record; it takes part in no figure.
Negative
AI Search Has a Citation ProblemIndependent benchmark, Columbia Journalism Review
The Tow Center ran 1,600 queries across eight AI search tools. Perplexity answered 37% of its queries incorrectly, against more than 60% across all eight, and Perplexity Pro cited syndicated copies of Texas Tribune articles in 3 of 10 queries.
Counts toward, pending a recheck
Negative
Groundbreaking BBC research shows issues with over half the answers from Artificial Intelligence (AI) assistantsResearch announcement, BBC Media Centre
BBC journalists reviewed answers from four AI assistants, Perplexity among them, and judged 51% of all answers to have significant issues. One Perplexity answer cited the BBC for adjectives about the Middle East conflict that BBC reporting never used.
Counts toward, pending a recheck
Mixed
Changelog & Friends 76Podcast episode, Changelog & Friends
Used Perplexity to find a minimal browser for screen-sharing the show, while his co-host used ChatGPT for other research.
"I think that one thing that we’re both doing now, both with Perplexity, at least in the configuration that I just used it, off of the website, and with ChatGPT, in the configuration that you’re using it, is that we are running remote LLMs."
Negative
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
Saw performance decline steadily, then canceled before renewal after the billed price did not match what the commenter was promised.
Negative
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
Liked Pro at first, but it has worsened: it switches language mid-sentence and loses track of earlier parts of a conversation.
Counts toward
Negative
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
Used Perplexity for research until its quality degraded as it got faster, and ChatGPT with search and Pro overtook it.
Negative
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
After Perplexity optimized for speed, its references frequently stopped matching the text beside them, and Computer often failed to start from the interface.
Mixed
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
Paid for Pro for three years for its sources, model choice and Deep Research, then left after features were cut mid-subscription and Computer was pushed on the subscriber.
Negative
Comment on: A third of Perplexity's citations don't contain the number they're cited forHacker News comment
Finds Perplexity's answers and citations merely plausible, so for anything serious the commenter uses tools that decline to answer when they'd otherwise make something up.
Mixed
Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themHacker News comment
Still the commenter's go-to for a quick check with linked sources, though the quality of those sources dropped markedly over the year.
Mixed
Comment on: Ask HN: Do you feel comfortable admitting that you use AI?Hacker News comment
Uses ChatGPT, Gemini, Perplexity and Claude for lookups, never for monthly reports, and checks everything; Comet has been a good browser.
Mixed
How Perplexity Actually Picks Sources (I Read the Stream, Not the Answers)Independent review
A Snippet Digital co-founder captures Perplexity streams across seven query types and one Deep Research run, finding shallow default search and deeper full-page reading in Deep Research.
Mixed
Comment on: Microsoft 365 Copilot adoption is under 4.5%, only 1% use it weeklyHacker News comment
Uses Perplexity a lot personally, but it is not allowed at work, where Microsoft 365 Copilot is the approved tool.
Counts toward
Mixed
Perplexity Said No Business Here: Why I Cancelled Pro and Went Back To FreeVideo episode show notes, Stark Raving Entrepreneurs (Substack)
A business author and speaker downgraded from Pro to the free plan because Free and Pro terms limit use to personal, noncommercial work, while saying he still loves the tool.
Positive
Comment on: Search engines alternatives now that Google isn't Google anymoreHacker News comment
Uses Perplexity heavily as a research clerk, but waiting for an AI answer on trivial lookups would waste time.
Negative
Comment on: Google changes its search boxHacker News comment
Tired of Perplexity, the commenter moved to the Gemini chat included with their Workspace account, where data is marked as not used for training.
Mixed
Comment on: Check your fucking sources, peopleHacker News comment
Switched from ChatGPT and Gemini to Perplexity for research because it worked visibly better, until GPT and Gemini models caught up.
Negative
Comment on: Personal Computer by PerplexityHacker News comment
Once standalone assistants gained web search, the commenter no longer needed Perplexity and finds its wrapped model output lower quality.
Negative
Comment on: How will OpenAI compete?Hacker News comment
Every time the commenter used Perplexity it was confidently wrong about half the time, citing references that said the opposite, and the commenter's coworkers report the same.
Positive
Perplexity Computer: What I Built in One Night (Review, Examples, and How It Compares to OpenClaw and Claude)Newsletter, Product with Attitude (Substack)
An AI product manager reports two micro apps, four research packets, an automation and a sub-30-minute branded app build.
Positive
Comment on: Ask HN: What happens after the AI bubble bursts?Hacker News comment
Perplexity replaced Google for looking things up, while ChatGPT and Claude handle code for work scripts and writing.
Positive
Business Brain 715: Choosing the right AIPodcast episode, Business Brain
Still pays for ChatGPT but defaults to Perplexity more and more, finding it far less likely to hallucinate when he learns how to do things.
"But I find myself defaulting to perplexity more and more because of its accuracy with things."
Positive
Comment on: Kimi K2 1T model runs on 2 512GB M3 UltrasHacker News comment
Alternates several frontier models in one Pro thread so each can critique the previous answers, and now always includes Kimi K2 as a judge.
Counts toward, pending a recheck
Mixed
Comment on: Google begins showing ads in AI Mode (AI answers)Hacker News comment
Perplexity searches first and summarizes after, so the source block often mixes in irrelevant links; users who care click the inline citations.
Negative
Comet sends all your URLs to Perplexity servers (and there's no way to stop it)Personal blog post
A privacy test found Comet sent every visited URL to Perplexity despite disabling privacy toggles.
Counts toward
Mixed
How I'm Using PerplexityPersonal blog post
A long-term power user keeps Perplexity for search and documentation while flagging citation and source-quality failures.
Positive
Comment on: Perplexity Makes Longshot US$34.5B Offer for ChromeHacker News comment
The only AI the commenter pays for. Deep Research and Pro build thorough briefings on a new client or responsibility, though final answers need double-checking.
Negative
Drop #691: Bye, Bye, Perplexity.aiNewsletter
After finding Perplexity useful for research, the author cancels over vendor conduct and says local search tools now cover most work needs.
Positive
Comment on: Perplexity Response to CloudflareHacker News comment
Uses Perplexity regularly for research because it finds and cites sources that fit the question, and wants it to keep working when sites block agents.
Counts toward
Negative
Comment on: Perplexity launches Comet, an AI-powered web browserHacker News comment
Bought an annual Pro subscription and hardly uses it; ChatGPT with o3 search gives better answers.
Mixed
Lenny's Podcast: Andrew Wilkinson's AI stackPodcast episode, Lenny's Podcast
An agent researches each upcoming contact in Perplexity, adds the meeting's email context and texts him a brief.
"It goes on to Perplexity and it does a deep dive on the person and it sends me, it goes into my email and it gets the context of the meeting."
Positive
Comment on: Oklo, the Earth's Two-billion-year-old only Known Natural Nuclear Reactor (2018)Hacker News comment
Uses Perplexity in research mode. It is slower than a Google search, but it saves time overall and surfaces sources the commenter would not have considered.
Positive
Comment on: Ask HN: Who is still using Perplexity?Hacker News comment
Uses Perplexity for quick searches and sanity checks because its macOS window is the best experience, and turns to Gemini for mining Google results.
Positive
Comment on: Ask HN: Who is still using Perplexity?Hacker News comment
A paying user focused on research and accuracy sees advantages over ChatGPT's web search and uses model choice, mostly Perplexity's own models and Claude.
Positive
Comment on: Ask HN: What are you working on? (May 2025)Hacker News comment
Uses Perplexity Deep Research to infer which services each company on the commenter's list is likely to outsource, with cited reasons.
Positive
Google Search is losing to PerplexityPersonal blog post
While debugging an Android build, the author got useful possible causes from Perplexity when Google returned none.
Negative
Comment on: AI assisted search-based research works nowHacker News comment
Asked OpenAI, Google and Perplexity deep research for an exact count the commenter could compile by hand in an hour. All three failed and gave an estimate.
Counts toward, pending a recheck
Mixed
Comment on: Kagi Assistant is now available to all usersHacker News comment
Canceled Perplexity for Kagi: its sources are more on point than other assistants', but it lost context in follow-ups and was expensive.
Negative
Comment on: Kagi Assistant is now available to all usersHacker News comment
Paid for both for half a year and dropped Perplexity, which presented itself as a source of truth and offered less control over sources than Kagi.
Positive
Comment on: Kagi Assistant is now available to all usersHacker News comment
Chose Perplexity over Kagi because Spaces let the commenter load every PDF manual for a project so answers draw on them.
No opinion stated
[Bug] I'm experiencing a similar issue - truncated JSON in non-streaming mode (stream: false)GitHub issue
A Tier 0 developer reported Sonar API responses cut off mid-JSON at 836 completion tokens under a 4,096 limit, after the same code had worked two days earlier.
Counts toward, pending a recheck
Negative
Comment on: Claude can now search the webHacker News comment
Found Perplexity slower and lower quality than Kagi, forgot about it, and canceled and got a refund when it charged US$200 to renew.
No opinion stated
[Bug] sonar-pro API does not respect response_formatGitHub issue
A developer reported that sonar-pro stopped returning output that matches the JSON schema in response_format between March 14 and March 17, 2025.
Counts toward, pending a recheck
Positive
Comment on: Perplexity Deep ResearchHacker News comment
Gave Perplexity Deep Research the same fifty-state law and tax table prompts as OpenAI's, got equally good results, and its CSV downloads worked.
Counts toward, pending a recheck
Negative
Comment on: Perplexity Deep ResearchHacker News comment
Perplexity's web search was its selling point, and the commenter largely stopped using it once ChatGPT added browsing.
Positive
Comment on: Perplexity Deep ResearchHacker News comment
Quizzed Pro on a niche political issue the commenter knows well. It matched a purpose-built RAG system, and the commenter verified both answers by hand.
Positive
Comment on: Perplexity Deep ResearchHacker News comment
A daily ChatGPT user at work tested Perplexity's free Deep Research, found it better than anything at OpenAI, and canceled their OpenAI subscription.
Negative
Comment on: Perplexity Deep ResearchHacker News comment
Testing Deep Research on topics the commenter cares about, they found it closer to an intern clicking every search result than expert analysis, unable to separate spam.
Counts toward, pending a recheck
Positive
Taking on Google search: Perplexity and KagiNewsletter
Perplexity and Kagi replaced Orosz's day-to-day use of Google search, and the issue profiles how Perplexity is built, with speed as a key differentiator.
Positive
Comment on: Perplexity got adsHacker News comment
Uses Perplexity all the time for baseline research because the inline citations let the commenter verify answers or explore further.
Mixed
Comment on: Perplexity got adsHacker News comment
Finds Perplexity useful because it leans on web results, but third-party models inside it seem less capable than in their own apps, with less context.
Counts toward, pending a recheck
Pages from Perplexity, used to check facts for every group.
Shows Pro at US$17 and Max at US$167 a month billed annually, and on the Enterprise tab Enterprise Pro at US$34 and Enterprise Max at US$271 per seat per month billed annually.
Lists Enterprise Pro at US$40 per seat a month or US$400 a year and Enterprise Max at US$325 a month or US$3,250 a year. There is no self-serve Enterprise trial, and API usage is billed separately.
Compares plan limits: Enterprise Pro allows 400 Pro Searches a week and 50 Research queries a month, and Enterprise Max 4,000 and 500.
Prices Max at US$200 a month or US$2,000 a year, with annual billing only on the web.
Lists search models by plan as of September 4, 2026, from Perplexity, OpenAI, Google, Anthropic, Moonshot AI, Z.ai, xAI, and NVIDIA, and lets Enterprise admins restrict providers.
Explains Government, Academic, and Trusted labels on rated domains, set by source review alone, and says a label is never a substitute for reading the source.
Describes Research as dozens of searches across hundreds of sources, with Perplexity choosing the models, usually finishing in under three minutes.
Runs one question across three models and synthesizes where they agree and disagree, on Max and Enterprise Max.
Describes Projects as shared workspaces with files, instructions, connectors, and Brain memory, up to 10,000 files and 5 GB each, private by default.
Announces Projects as the evolution of Spaces, with every existing Space migrated automatically.
Covers Google Drive, OneDrive, SharePoint, Dropbox, and Box connectors, enabled by admins and connected by each member, with Project imports kept as static copies.
Deletes files attached to sessions after seven days and lets organizations with 50 seats or an Enterprise Max seat set session retention periods.
States that Perplexity's agreements with providers such as OpenAI and Anthropic prohibit training on Perplexity data.
Describes Comet's MDM deployment, 500+ browser policies, and agent permission controls, with no Enterprise data logged or used for training.
Grants 500 Computer credits a month per Enterprise Pro seat and 15,000 per Enterprise Max seat, with named usage limits on a shared organization pool.
Prices credits at 100 per US$1, with example Computer tasks from a quick fact at 15 to 70 credits to a data dashboard at 2,400 to 9,800.
Source index
Every source GILD read, with the original address and the context used to count it. Open a finding to filter the full cards above. On smaller screens the index lists each source once by name, cohort and date; its full record above carries the address, context and findings.
| Source | Original URL | Author and context | Who | Published | Review date | Applies | Findings |
|---|---|---|---|---|---|---|---|
| Perplexity - Enterprise Pro Frequently Asked QuestionsID ir-10 | Business blogs & reviews | service.tamu.edu/ | Texas A&M Technology Services, the university's central IT organizationself-described: Texas A&M University, Enterprise Pro licenses for students, faculty, and staff through June 30, 2027 | Organization-wide | Published Sep 28, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-34 | User communities | news.ycombinator.com/ | jwrallie, Hacker News commenterself-described: Education plan trial | Individual user | Published Sep 3, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-35 | User communities | news.ycombinator.com/ | Grisu_FTP, Hacker News commenterself-described: Free Pro year with a banking subscription | Individual user | Published Sep 3, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-36 | User communities | news.ycombinator.com/ | embedding-shape, Hacker News commenterself-described: Research use before ChatGPT search | Individual user | Published Sep 3, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-30 | User communities | news.ycombinator.com/ | Aurornis, Hacker News commenterself-described: Twelve-month free offer | Individual user | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-31 | User communities | news.ycombinator.com/ | stranded22, Hacker News commenterself-described: Three-year Pro subscriber | Individual user | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: A third of Perplexity's citations don't contain the number they're cited forID dc-32 | User communities | news.ycombinator.com/ | hek2sch, Hacker News commenterself-described: Research that needs correct citations | Individual user | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Three sites made 215,128 "best software" pages for AI. Perplexity cites themID dc-33 | User communities | news.ycombinator.com/ | simur, Hacker News commenterself-described: Free Pro year | Individual user | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| A third of Perplexity's citations don't contain the number they're cited forID s2-02 | Business blogs & reviews | hausresearch.com/ | Haus Research, an independent research publisherself-described: Citation audit of Sonar and Sonar Pro on 310 questions about 210 technology companies | Department | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Three sites made 215,128 "best software" pages for AI. Perplexity cites themID s2-05 | Business blogs & reviews | trellner.com/ | Trellner Research, an independent research publisherself-described: Audit of 7,534 citations from Sonar and Sonar Pro across 380 software categories | Department | Published Sep 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Ask HN: Do you feel comfortable admitting that you use AI?ID dc-29 | User communities | news.ycombinator.com/ | NishanStepak, Hacker News commenterself-described: Looks up news and library articles at work | Individual user | Published Aug 18, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| How Perplexity Actually Picks Sources (I Read the Stream, Not the Answers)ID ir-09 | Business blogs & reviews | suganthan.com/ | Suganthan Mohanadasan, co-founder of Snippet Digitalself-described: Solo, AI SEO and content strategy research using a logged-in Pro account | Individual user | Published Jul 27, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Microsoft 365 Copilot adoption is under 4.5%, only 1% use it weeklyID dc-28 | User communities | news.ycombinator.com/ | wolvoleo, Hacker News commenterself-described: Employer allows Microsoft 365 Copilot only | Individual user | Published Jul 7, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Perplexity Said No Business Here: Why I Cancelled Pro and Went Back To FreeID s2-07 | Podcasts, Talks & Videos | terrybrock.substack.com/ | Terry Brock, co-host of Stark Raving Entrepreneursself-described: Business content creator and speaker using Perplexity for research | Individual user | Published Jun 5, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Perplexity Free Trial Ended June 1, 2026ID s2-03 | Business blogs & reviews | doit.txst.edu/ | Texas State University Division of Information Technology, the university's central IT organizationself-described: Texas State University, campus Enterprise Pro trial for students, faculty, and staff | Organization-wide | Published Jun 1, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Search engines alternatives now that Google isn't Google anymoreID dc-27 | User communities | news.ycombinator.com/ | hamdingers, Hacker News commenterself-described: General research | Individual user | Published May 25, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Google changes its search boxID dc-26 | User communities | news.ycombinator.com/ | Havoc, Hacker News commenterself-described: Google Workspace account holder | Individual user | Published May 19, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Check your fucking sources, peopleID dc-25 | User communities | news.ycombinator.com/ | flail, Hacker News commenterself-described: Research use | Individual user | Published May 15, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| LiveResearchBench: A Live Benchmark for User-Centric Deep Research in the WildID l2-12 | Business blogs & reviews | arxiv.org/ | Jiayu Wang and coauthors, University of Wisconsin-Madison and Salesforceself-described: Benchmark of long-form research reports from search models and deep research agents | Department | Published Apr 18, 2026 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Personal Computer by PerplexityID dc-24 | User communities | news.ycombinator.com/ | hbosch, Hacker News commenterself-described: Former user | Individual user | Published Mar 12, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| "AgenticBlabbering" How AI Browsers' Verbose Reasoning Fuels the Ultimate Scamming MachineID l2-04 | Business blogs & reviews | guard.io/ | Shaked Chen, Security Researcher, GuardioGuardio Labs reading the reasoning stream Comet's agent sends while it browses | Department | Published Mar 11, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Perplexity Enterprise Pro trial at Corvinus: 16 March - 17 April 2026ID l2-07 | Business blogs & reviews | www.uni-corvinus.hu/ | Corvinus University of Budapest, university-wide Enterprise Pro trialself-described: Corvinus University of Budapest, Enterprise Pro trial for its whole community through single sign-on | Organization-wide | Published Mar 10, 2026 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Search Arena: Analyzing Search-Augmented LLMsID l2-10 | Business blogs & reviews | arxiv.org/ | Mihran Miroyan, Tsung-Han Wu, and coauthors, University of California, Berkeleyself-described: Analysis of human preference votes on search-augmented models in Search Arena | Department | Published Mar 2, 2026 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: How will OpenAI compete?ID dc-23 | User communities | news.ycombinator.com/ | codethief, Hacker News commenterself-described: Used over several years; coworkers report the same | Individual user | Published Feb 28, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Perplexity Computer: What I Built in One Night (Review, Examples, and How It Compares to OpenClaw and Claude)ID ir-08 | Business blogs & reviews | karozieminski.substack.com/ | Karo (Product with Attitude), AI product manager and newsletter authorself-described: Solo, building apps and research packets | Individual user | Published Feb 26, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Ask HN: What happens after the AI bubble bursts?ID dc-22 | User communities | news.ycombinator.com/ | paulcole, Hacker News commenterself-described: Non-programmer scripting tasks at work | Individual user | Published Feb 16, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Business Brain 715: Choosing the right AIID sf-2 | Podcasts, Talks & Videos | businessbrain.show/ | Dave Hamilton, co-host of Business Brainself-described: Small-business podcast host's own research | Individual user | Published Jan 2, 2026 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Kimi K2 1T model runs on 2 512GB M3 UltrasID dc-21 | User communities | news.ycombinator.com/ | pcf, Hacker News commenterself-described: Pro included with a banking subscription | Individual user | Published Dec 15, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Google begins showing ads in AI Mode (AI answers)ID dc-20 | User communities | news.ycombinator.com/ | Agraillo, Hacker News commenterself-described: Regular user of Perplexity and Google AI Mode | Individual user | Published Nov 22, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Unseeable prompt injections in screenshots: more vulnerabilities in Comet and other AI browsersID l2-02 | Business blogs & reviews | brave.com/ | Shivan Kaul Sahib, VP of Privacy & Security, BraveBrave's privacy and security team extending its agentic browser research to Comet screenshots | IT & leadership | Published Oct 21, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | Not counted. Its author works at Brave, whose browser competes with Perplexity Comet. |
| Comet sends all your URLs to Perplexity servers (and there's no way to stop it)ID ir-07 | Business blogs & reviews | shivankaul.com/ | Shivan Kaul, privacy engineer and bloggerself-described: Testing Comet's privacy settings | Individual user | Published Oct 19, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Is Perplexity Comet Safe? LayerX Finds a Prompt Injection Attack VectorID l2-05 | Business blogs & reviews | layerxsecurity.com/ | Aviad Gispan, Senior Researcher, LayerXLayerX research team testing Comet with connected email and calendar | Department | Published Oct 4, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Lenny's Podcast: Ethan Smith on AI search visibilityID sf-1 | Podcasts, Talks & Videos | www.youtube.com/ | Ethan Smith, CEO of Graphiteself-described: Search marketing agency's study of AI answer citations | Department | Published Sep 14, 2025 | Assessment reviewed Nov 1, 2026 | Current | |
| LayerX Finds that Perplexity's Comet Browser is Up To 85% More Vulnerable to Phishing and Web Attacks Than ChromeID l2-06 | Business blogs & reviews | layerxsecurity.com/ | Paloma Perlov, Researcher, LayerXLayerX research team running recent phishing pages against AI and standard browsers | Department | Published Sep 8, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| How I'm Using PerplexityID ir-06 | Business blogs & reviews | www.fldr.zip/ | William, software developer and bloggerself-described: Solo, software and web research | Individual user | Published Sep 7, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Agentic Browser Security: Indirect Prompt Injection in Perplexity CometID l2-01 | Business blogs & reviews | brave.com/ | Artem Chaikin, Senior Mobile Security Engineer, BraveBrave's security team testing Comet while building agentic browsing into its own Leo assistant | Department | Published Aug 20, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | Not counted. Its author works at Brave, whose browser competes with Perplexity Comet. |
| "Scamlexity" We Put Agentic AI Browsers to the Test - They Clicked, They Paid, They FailedID l2-03 | Business blogs & reviews | guard.io/ | Nati Tal, Head of Guardio Labs, GuardioGuardio Labs testing Comet's agent on a fake store and a live phishing page | IT & leadership | Published Aug 20, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Perplexity Makes Longshot US$34.5B Offer for ChromeID dc-19 | User communities | news.ycombinator.com/ | scrumper, Hacker News commenterself-described: Getting up to speed on new clients and job responsibilities | Individual user | Published Aug 12, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Drop #691: Bye, Bye, Perplexity.aiID ir-05 | Business blogs & reviews | dailydrop.hrbrmstr.dev/ | hrbrmstr, author of the Daily Drop newsletterself-described: Paid Perplexity subscriber for research | Individual user | Published Aug 7, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Perplexity Response to CloudflareID dc-18 | User communities | news.ycombinator.com/ | skeledrew, Hacker News commenterself-described: Regular research use | Individual user | Published Aug 5, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Perplexity is using stealth, undeclared crawlers to evade website no-crawl directivesID sf-6 | Business blogs & reviews | blog.cloudflare.com/ | Gabriel Corral and three colleagues, Cloudflare engineersself-described: Cloudflare tests after customer complaints | Department | Published Aug 4, 2025 | Assessment reviewed Nov 1, 2026 | Current | Listed, no finding position |
| How I Built a Self-Updating AI Sales Agent for Using Perplexity Public RoomsID ir-04 | Business blogs & reviews | dev.to/ | Ali Farhat, founder and architect at Scaleviseself-described: Scalevise, sales agent for company services | Department | Published Jul 24, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| ResearcherBench: Evaluating Deep AI Research Systems on the Frontiers of Scientific InquiryID l2-13 | Business blogs & reviews | arxiv.org/ | Tianze Xu and coauthors, Shanghai Jiao Tong Universityself-described: Academic benchmark of deep research systems on frontier AI research questions | Department | Published Jul 22, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Perplexity launches Comet, an AI-powered web browserID dc-17 | User communities | news.ycombinator.com/ | felarof, Hacker News commenterself-described: Annual Pro subscriber | Individual user | Published Jul 10, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Mind2Web 2: Evaluating Agentic Search with Agent-as-a-JudgeID l2-11 | Business blogs & reviews | arxiv.org/ | Boyu Gou and coauthors, The Ohio State Universityself-described: Academic benchmark of long-horizon search tasks graded by judge agents | Department | Published Jul 3, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Lenny's Podcast: Andrew Wilkinson's AI stackID sf-5 | Podcasts, Talks & Videos | www.youtube.com/ | Andrew Wilkinson, co-founder of Tinyself-described: Personal meeting-preparation agent | Individual user | Published Jul 3, 2025 | Assessment reviewed Nov 1, 2026 | Current | |
| The Attribution Crisis in LLM Search ResultsID s2-06 | Business blogs & reviews | arxiv.org/ | Ilan Strauss, Jangho Yang, Tim O'Reilly, Sruly Rosenblat, and Isobel Moure, paper authorsself-described: Analysis of about 14,000 LMArena conversation logs from search-enabled models | Department | Published Jun 27, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Oklo, the Earth's Two-billion-year-old only Known Natural Nuclear Reactor (2018)ID dc-16 | User communities | news.ycombinator.com/ | geocrasher, Hacker News commenterself-described: Research and discovery | Individual user | Published Jun 20, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| DeepResearch Bench: A Comprehensive Benchmark for Deep Research AgentsID l2-09 | Business blogs & reviews | arxiv.org/ | Mingxuan Du and coauthors, University of Science and Technology of China and Metastone Technologyself-described: Academic benchmark of four deep research agents on 100 PhD-level research tasks | Department | Published Jun 13, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Ask HN: Who is still using Perplexity?ID dc-14 | User communities | news.ycombinator.com/ | msephton, Hacker News commenterself-described: Quick searches on macOS | Individual user | Published Jun 9, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Ask HN: Who is still using Perplexity?ID dc-15 | User communities | news.ycombinator.com/ | Rochus, Hacker News commenterself-described: Research-focused paying user | Individual user | Published Jun 9, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| TXST implements AI tools across campus, classesID s2-04 | Business blogs & reviews | universitystar.com/ | Kimberly Conner, IT digital strategies lead at Texas State UniversityTexas State University, Enterprise Pro for students, faculty, and staff from April 2025 | Organization-wide | Published Jun 4, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Ask HN: What are you working on? (May 2025)ID dc-13 | User communities | news.ycombinator.com/ | 35mm, Hacker News commenterself-described: Building a company prospect list | Individual user | Published May 26, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Google Search is losing to PerplexityID ir-03 | Business blogs & reviews | ashishb.net/ | Ashish Bhatia, software developer and bloggerself-described: Solo, Android application debugging | Individual user | Published May 3, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: AI assisted search-based research works nowID dc-12 | User communities | news.ycombinator.com/ | CSMastermind, Hacker News commenterself-described: Tested deep research products on a countable fact | Individual user | Published Apr 21, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Kagi Assistant is now available to all usersID dc-09 | User communities | news.ycombinator.com/ | loehnsberg, Hacker News commenterself-described: Paid for Perplexity and Kagi side by side | Individual user | Published Apr 18, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Kagi Assistant is now available to all usersID dc-10 | User communities | news.ycombinator.com/ | Zambyte, Hacker News commenterself-described: Paid for Perplexity and Kagi for half a year | Individual user | Published Apr 18, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Kagi Assistant is now available to all usersID dc-11 | User communities | news.ycombinator.com/ | mbesto, Hacker News commenterself-described: Personal project knowledge base | Individual user | Published Apr 18, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | Listed, no finding position |
| [Bug] I'm experiencing a similar issue - truncated JSON in non-streaming mode (stream: false)ID s2-08 | User communities | github.com/ | Piotr Sitkowski, developer on the Sonar APIself-described: PHP app calling Sonar with domain filters for health sources | Individual user | Published Mar 24, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Claude can now search the webID dc-08 | User communities | news.ycombinator.com/ | pbronez, Hacker News commenterself-described: Free year of Pro, compared with Kagi | Individual user | Published Mar 21, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Kogod School of Business Partners with Perplexity to Provide Enterprise AI Access to All Students, Staff and FacultyID ir-02 | Business blogs & reviews | kogod.american.edu/ | David Marchick, Dean of the Kogod School of Businessself-described: Kogod School of Business, Enterprise Pro for every student, staff member, and faculty member | Organization-wide | Published Mar 19, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | Not counted. The school announced a partnership with Perplexity that gives every student and staff member Enterprise Pro. |
| [Bug] sonar-pro API does not respect response_formatID s2-09 | User communities | github.com/ | tduffield, developer on the Sonar APIself-described: Pregnancy information app requesting cited answers as JSON | Individual user | Published Mar 17, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| AI Search Has a Citation ProblemID s2-01 | Business blogs & reviews | www.cjr.org/ | Klaudia Jaźwińska and Aisvarya Chandrasekar, Tow Center for Digital Journalism, Columbia Journalism Schoolself-described: Tow Center study of eight AI search tools on 1,600 news-excerpt queries | Department | Published Mar 6, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Perplexity Deep ResearchID dc-03 | User communities | news.ycombinator.com/ | larsiusprime, Hacker News commenterself-described: Policy research, fifty-state comparison table | Individual user | Published Feb 16, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Perplexity Deep ResearchID dc-04 | User communities | news.ycombinator.com/ | RobinL, Hacker News commenterself-described: Former regular user | Individual user | Published Feb 16, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Perplexity Deep ResearchID dc-05 | User communities | news.ycombinator.com/ | senko, Hacker News commenterself-described: Tested on a niche national political topic the commenter knows | Individual user | Published Feb 16, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Perplexity Deep ResearchID dc-06 | User communities | news.ycombinator.com/ | vic_nyc, Hacker News commenterself-described: Uses ChatGPT every day for work | Individual user | Published Feb 16, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Comment on: Perplexity Deep ResearchID dc-07 | User communities | news.ycombinator.com/ | tomaskafka, Hacker News commenterself-described: Tested on topics the commenter knows | Individual user | Published Feb 16, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Groundbreaking BBC research shows issues with over half the answers from Artificial Intelligence (AI) assistantsID l2-08 | Business blogs & reviews | www.bbc.co.uk/ | Pete Archer, Programme Director for Generative AI, BBCBBC study of four AI assistants answering news questions from BBC News articles | IT & leadership | Published Feb 11, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| Taking on Google search: Perplexity and KagiID ir-01 | Business blogs & reviews | newsletter.pragmaticengineer.com/ | Gergely Orosz, author of The Pragmatic Engineer newsletterself-described: Day-to-day web search for newsletter work | Individual user | Published Jan 28, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Changelog & Friends 76ID sf-4 | Podcasts, Talks & Videos | changelog.com/ | Jerod Santo, co-host of Changelogself-described: Developer podcast company | Small team | Published Jan 17, 2025 | Assessment reviewed Nov 1, 2026 | Current | |
| Comment on: Perplexity got adsID dc-01 | User communities | news.ycombinator.com/ | dtromero, Hacker News commenterself-described: Baseline research and finding discussion threads | Individual user | Published Jan 4, 2025 | Assessment reviewed Nov 1, 2026 | Still applicable | |
| Comment on: Perplexity got adsID dc-02 | User communities | news.ycombinator.com/ | schmorptron, Hacker News commenterself-described: Free year of Pro | Individual user | Published Jan 4, 2025 | Assessment reviewed Nov 1, 2026 | Needs a recheck | |
| PricingID pd-01 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Enterprise Pricing and Billing FAQID pd-02 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Which Perplexity Subscription Plan is right for you?ID pd-03 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Perplexity MaxID pd-04 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| What advanced AI models are included in my subscription?ID pd-05 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Understanding source labelsID pd-06 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| What is Research mode?ID pd-07 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| What is Model Council?ID pd-08 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| What are Projects?ID pd-09 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Changelog: Projects (Aug 4, 2026)ID pd-10 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Using File Connectors in PerplexityID pd-11 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Data Retention for EnterpriseID pd-12 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Are third-party model providers training on my data?ID pd-13 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| Comet for EnterpriseID pd-14 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| How credits work for Enterprise organizations (admin guide)ID pd-15 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
| How Credits Work on PerplexityID pd-16 | Product documentation | www.perplexity.ai/ | PerplexityOfficial Perplexity pricing page, Help Center, and changelog | Not counted (documentation) | No date stated | Documentation checked Oct 12, 2026 | Current | Verification only |
