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TestedStack

Mastra

Mastra

TypeScript framework for agents and workflows

Pending testOpen source

Score

Quality
Pending
Price
Pending
Speed
Pending
Ease of starting
Pending

Last tested: not yet. Pending is not a zero.

Waiting on the agent bench: a multi-step task with a tool call and a checkable result. No score until that test is published.

Plain-language take

Written from public product information. This is not a test result.

A TypeScript toolkit for agents, workflows, and evals in the same repo as your app.

Pricing

Open source · checked 16 October 2026

Mastra is open source. Model use is billed by the provider you call.

Pricing source

Use cases

Alternatives

  • LangGraph — Graph-shaped, stateful agent workflows
  • CrewAI — Open-source framework for multi-agent crews
  • OpenAI Agents SDK — Official SDK for tools, handoffs, and tracing

Comparisons