AI Agent Index

Mastra vs Devin (2026)

Side-by-side comparison of Mastra vs Devin — pricing, capabilities, integrations, deployment complexity, and ratings. Last updated April 2026.

Data sourced from The AI Agent Index · Updated daily

Mastra logo

Mastra

by Mastra (ex-Gatsby team)

Open-source TypeScript framework for building, testing, and deploying AI agents and multi-agent workflows — from prototype to production.

freemiumB2B
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Devin logo

Devin

by Cognition AI

The most autonomous AI software engineer — handles full tasks end-to-end from Slack.

subscriptionENTERPRISE
Visit Devin
FeatureMastraDevin
Pricing modelfreemiumsubscription
Starting priceFree$20/mo
Customer segmentB2BENTERPRISE
Deploymentcloud, self-hostedweb, slack
Setup difficultymoderatemoderate
Avg setup timeUnder 1 hour
Rating4.5 / 5

Capabilities

Mastra

agentic-codingworkflow-buildermulti-file-editingopen-sourcebyokautonomous

Devin

fully-autonomousend-to-end-developmenttestingpull-requests

Pros & Limitations

Editorial assessment

Mastra

Pros

  • TypeScript-native — no Python required
  • 3,300+ models from 94 providers via unified router
  • Built-in MCP support, memory, evals, and observability
  • Supervisor pattern for multi-agent orchestration
  • 23,100 GitHub stars, 300K weekly npm downloads
  • Apache 2.0 — truly permissive commercial license

Limitations

  • TypeScript only — not suitable for Python-first teams
  • Enterprise features require paid license (ee/ directory)
  • Smaller integration surface than LangChain ecosystem

Devin

Pros

  • Fully autonomous — can handle entire feature implementations
  • Integrates with GitHub for PR-based workflows
  • Detailed action logs for every task

Limitations

  • Very expensive — enterprise pricing only
  • Can make incorrect assumptions on ambiguous tasks
  • Not suitable for real-time pair programming

Frequently asked questions

What is the difference between Mastra vs Devin?

See the full comparison above.

Which is best for my team — Mastra vs Devin?

How does pricing compare between Mastra vs Devin?

Mastra uses a freemium model, starting at $0 per month. Devin uses a subscription model, starting at $20 per month.

View full Mastra profile

Pricing, reviews, integrations →

View full Devin profile

Pricing, reviews, integrations →

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