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Mastra−36 Negative

GILD Review

GILD's call and the buying facts behind it.

From GILD research

Should we adopt Mastra?

Does your TypeScript team want workflows, memory, and evals bundled enough to build its agents on Mastra?

  1. 30-Second TakePick Mastra if your TypeScript team wants agents, typed workflows, memory and evals in one framework.
  2. Best fitTypeScript teams that want workflows, memory, evals, and a local Studio in one framework, on models from several providers, with an optional hosted platform in the us or eu.GILD Review
  3. Consider another workflowFor model calls, tool loops, and chat UI inside your own app with fewer abstractions, evaluate the AI SDK; for explicit checkpointed graphs in Python or TypeScript, LangGraph; for Python crews of role-based agents, CrewAI.GILD Review

Drawn from 86 sources and 12 operator insights

GILD analysis

Mastra Review

Brex and Sanity run agents on Mastra in production, Vasco left it after six weeks, and Postiz fixed a memory leak in its Mastra MCP server in July 2026. Mastra gives a TypeScript team agents, typed workflows, memory, and evals in one framework, Apache 2.0 outside its ee/ directories, hosted free on Starter or for US$250 a month on Teams. Builders praise the developer experience and report memory, recovery, and build defects to test before production.

  • Agent Frameworks
  • Agentic Development

The decision

Best fit
TypeScript teams that want workflows, memory, evals, and a local Studio in one framework, on models from several providers, with an optional hosted platform in the us or eu.
Consider another workflow
For model calls, tool loops, and chat UI inside your own app with fewer abstractions, evaluate the AI SDK; for explicit checkpointed graphs in Python or TypeScript, LangGraph; for Python crews of role-based agents, CrewAI.
Adoption condition
Pinned @mastra versions checked against the June 2026 advisory, a deliberate maxSteps and retry setting, a telemetry decision, and a crash-recovery test before users reach the agents.

Basis: Mastra's documentation, pricing, license and terms checked Oct 28, 2026, plus 72 public accounts from builders and teams. On Oct 28, 2026 GILD added 9 Hacker News comments, 6 GitHub issues, 3 dev.to posts, a Postiz commit and 6 Reddit comments from r/LangChain and r/AI_Agents, and 9 Operator Insights from named teams. We ran no performance benchmark. Buying facts rechecked Oct 31, 2026.

Buying & deployment factsWhat a team building on it should verify before production traffic grows.
How you buy it

Free, Apache 2.0

Platform Starter is US$0 a month, Teams US$250 a month, and Enterprise is custom-priced.

Source 1, Mastra, Mastra pricing: Mastra pricing

Details

The Mastra framework is free to self-host under Apache 2.0. Mastra Platform Starter costs US$0 a month, Teams costs US$250 per month, and Enterprise is custom-priced. Self-hosted Enterprise licenses the enterprise features for one flat annual fee with no per-trace or per-seat metering.

Cost drivers

100K events on Starter

Usage beyond the included amounts bills per unit, such as US$10 per 100K events on Starter.

Source 1, Mastra, Mastra pricing: Mastra pricing

Details

Mastra Platform meters observability events, CPU hours, data egress, and memory tokens each month. Starter includes 100K events, then US$10 per 100K, and 24 CPU hours, then US$0.35 per hour. Teams includes 1M events, then US$8 per 100K, and 250 CPU hours, then US$0.25 per hour. Usage beyond the included amounts bills at those rates, an always-on server costs US$100 per project, and gateway tokens bill at market rate plus 5.5%.

Where it runs

us and eu regions

Mastra Platform runs on Railway compute, and a region is fixed when the environment is created.

Source 1, Mastra, Mastra pricing: Mastra pricingSource 2, mastra.ai, Mastra Platform regions: Mastra Platform regionsSource 5, Mastra, Mastra docs: Models: Mastra docs: Models

Details

The framework builds and hosts agents anywhere you run it. Mastra Platform runs on Railway compute in two residency zones, us and eu, and an environment's region is fixed when it is created. Self-hosted Enterprise keeps traces, prompts, and outputs inside your VPC. With dynamic model selection, each customer of a multi-tenant application can bring their own API keys and model preferences.

What to verify

Telemetry on by default

Set MASTRA_TELEMETRY_DISABLED=1 to opt out. RBAC and audit logs are Enterprise only.

Source 3, Mastra, Mastra CLI reference: telemetry: Mastra CLI reference: telemetrySource 1, Mastra, Mastra pricing: Mastra pricing

Details

Mastra collects telemetry by default, including a token-usage event per provider and model every 15 minutes, and MASTRA_TELEMETRY_DISABLED=1 opts out. SSO and SOC 2 docs start on Teams, data retention is 15 days on Starter and 6 months on Teams, and RBAC and audit logs are Enterprise only.