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Frontier AI

Anthropic

Anthropic develops the Claude family of AI models and products for individuals, developers, and organizations.

Anthropic's model families

  1. Claude HaikuAnthropic's small, fast Claude model family for high-volume, latency-sensitive work.Claude Haiku 5.5
  2. Claude SonnetAnthropic's balanced Claude model family.Claude Sonnet 5.5
  3. Claude OpusAnthropic's high-capability Claude model family.Claude Opus 5.5
  4. Claude FableAnthropic's Claude family for demanding reasoning and long-horizon agentic work.Claude Fable 5.1
Products
Claude Code, Claude, Claude API
Model releases we track
14 in 4 families. Newest is Claude Haiku 5.5, released Oct 7, 2026.
GILD research
44 pieces
Official site
anthropic.com

Products

We cover 3 Anthropic products. Each opens on its own hub.

  1. Claude Code+75 Strong positiveReads, edits and runs code in a repoAI Coding Agent
  2. Claude+44 PositiveAnthropic's AI assistant and work agent for individuals and teams.AI Assistant
  3. Claude API+25 PositiveAnthropic's developer platform for building on Claude models.AI Model API

Models

We track 14 Anthropic releases in 4 families, from Claude Sonnet 4.5 in Sep 2025 to Claude Haiku 5.5 in Oct 2026.

  1. Claude Haiku4.55.5
  2. Claude Sonnet4.54.655.5
  3. Claude Opus4.54.64.74.855.5
  4. Claude Fable55.1
Every release as a list (14)
  1. Claude Haiku 5.5Claude Haiku, Current, in 6 products
  2. Claude Sonnet 5.5Claude Sonnet, Current, in 9 products
  3. Claude Opus 5.5Claude Opus, Current, in 9 products
  4. Claude Fable 5.1Claude Fable, Current, in 8 products
  5. Claude Opus 5Claude Opus, Legacy, in 4 products
  6. Claude Sonnet 5Claude Sonnet, Legacy, in 4 products
  7. Claude Fable 5Claude Fable, Legacy, in 4 products
  8. Claude Opus 4.8Claude Opus, Legacy, in 4 products
  9. Claude Opus 4.7Claude Opus, Legacy, in 4 products
  10. Claude Sonnet 4.6Claude Sonnet, Legacy, in 4 products
  11. Claude Opus 4.6Claude Opus, Legacy, in 4 products
  12. Claude Opus 4.5Claude Opus, Legacy, in 4 products
  13. Claude Haiku 4.5Claude Haiku, Legacy, in 4 products
  14. Claude Sonnet 4.5Claude Sonnet, Deprecated, in 4 products
  1. Claude Haiku 5.5Claude Haiku, Current, in 6 products
  2. Claude Sonnet 5.5Claude Sonnet, Current, in 9 products
  3. Claude Opus 5.5Claude Opus, Current, in 9 products
  4. Claude Fable 5.1Claude Fable, Current, in 8 products
  5. Claude Opus 5Claude Opus, Legacy, in 4 products
  6. Claude Sonnet 5Claude Sonnet, Legacy, in 4 products
  7. Claude Fable 5Claude Fable, Legacy, in 4 products
  8. Claude Opus 4.8Claude Opus, Legacy, in 4 products
  9. Claude Opus 4.7Claude Opus, Legacy, in 4 products
  10. Claude Sonnet 4.6Claude Sonnet, Legacy, in 4 products
  11. Claude Opus 4.6Claude Opus, Legacy, in 4 products
  12. Claude Opus 4.5Claude Opus, Legacy, in 4 products
  13. Claude Haiku 4.5Claude Haiku, Legacy, in 4 products
  14. Claude Sonnet 4.5Claude Sonnet, Deprecated, in 4 products

Research

We have written 44 pieces on Anthropic and its products: 9 research reports, 3 reviews, 19 comparisons, and 13 buyer guides.

Company analysisHow Anthropic's product portfolio is expanding across technical workflowsHow Claude, Claude Code, and the Claude API are bought, and which limits and data terms follow from each way of buying.GILD Intelligence1 min readRead the research

Reviews 3

  1. Claude Code Review: Where It Changes the Engineering WorkflowBuy Claude Code once tasks and reviews are written down. It ranks first on Terminal-Bench 4.0, and reviewer hours set what a team gets back.Claude Code, 4 min readRead the review
  2. Claude API Review: What to Settle Before Building on Claude ModelsUse the Claude API when capability decides, then control the bill through model choice per task, cache hit rate, spend caps, and retention terms.Claude API, 3 min readRead the review
  3. Claude Review: What to Settle Before Rolling Claude Out to Your TeamsChoose Claude when teams will hand it whole tasks, and let a pilot's measured usage pick between capped Team seats and metered Enterprise.Claude, 3 min readRead the review

Comparisons 19

  1. Claude Code vs Codex: Which Agentic Coding Workflow Fits Your Team?Claude Code, 22 min read
  2. Claude Code vs Cursor: One Model Family or a Model per Task?Claude Code, 11 min read
  3. Claude Code vs GitHub Copilot: Anthropic's Agent or GitHub's Platform?Claude Code, 5 min read
  4. Claude Code vs Gemini CLI: Two Terminal Agents, Two Model FamiliesClaude Code, 3 min read
  5. Devin vs Claude Code: Delegated Cloud Sessions or a Steered Agent?Claude Code, 4 min read
  6. Amp vs Claude Code: Routed Models and Orbs, or Anthropic's Own Agent?Claude Code, 3 min read

Research 8

  1. The State of AI Coding Agents in 20266 min read
  2. Where AI Coding Agents Actually Create Value5 min read
  3. The Economics of AI Coding Agents9 min read
  4. How Engineering Teams Are Using Coding Agents2 min read
  5. What a Claude Seat Buys in 2026: Usage Limits, Credits, and Usage-Based EnterpriseClaude, 3 min read
  6. Claude at Work: What Teams Report After Rolling It OutClaude, 4 min read

Buyer guides 13

  1. Claude Code Workflow PlaybookClaude Code, 3 min read
  2. Claude Code Team Rollout ChecklistClaude Code, 3 min read
  3. Claude Code Permissions & Data-Handling ChecklistClaude Code, 4 min read
  4. Claude Code in Your Existing Development WorkflowClaude Code, 3 min read
  5. How to Evaluate an AI Coding Agent Before Team Rollout2 min read
  6. Roll Out Claude Across Your TeamsClaude, 2 min read