Mastra vs Devin

A side-by-side comparison to help you choose the right tool.

Mastra scores higher overall (80/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Fully open source under MIT license. No cloud fees. Self-hosted on your own infrastructure.
Free plan
Yes
Best for
TypeScript and Node.js developers who want a structured, production-ready agent framework, Teams building internal AI copilots or customer-facing assistants with full code control, Startups embedding AI capabilities into products that need evals and tracing from day one
Platforms
api, web
API
Yes
Languages
en
Pricing
Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.
Free plan
Yes
Best for
Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor
Platforms
web
API
Yes
Languages
en

Choose Mastra if:

  • You are TypeScript and Node.js developers who want a structured, production-ready agent framework
  • You are Teams building internal AI copilots or customer-facing assistants with full code control
  • You are Startups embedding AI capabilities into products that need evals and tracing from day one
  • You want to start free
Read Mastra review →

Choose Devin if:

  • You are Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent
  • You are Developers who need a second pair of eyes on PRs via the free Devin Review feature
  • You are Startups moving fast who need an AI that can take a ticket end-to-end without supervision
  • You want to start free
Read Devin review →

FAQ

What is the difference between Mastra and Devin?
Mastra is open-source typescript framework for building production-ready ai agents and multi-step workflows, with a local studio ui, typed zod schemas, built-in evals, and support for suspend/resume human-in-the-loop flows. Devin is devin is an autonomous ai software engineer by cognition ai that plans, codes, debugs, and deploys across full codebases in a cloud-based ide. devin 2.0 introduced parallel agents, a $20/month plan, and a free code review tool for any github pr.
Which is cheaper, Mastra or Devin?
Mastra: Fully open source under MIT license. No cloud fees. Self-hosted on your own infrastructure.. Devin: Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.. Mastra has a free plan. Devin has a free plan.
Who is Mastra best for?
Mastra is best for TypeScript and Node.js developers who want a structured, production-ready agent framework, Teams building internal AI copilots or customer-facing assistants with full code control, Startups embedding AI capabilities into products that need evals and tracing from day one.
Who is Devin best for?
Devin is best for Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor.