AI Agent Index

Cosine vs Devin (2026)

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

Data sourced from The AI Agent Index · Updated daily

Cosine logo

Cosine

by Cosine

AI software engineering agent with Swarm mode for parallel multi-agent execution across CLI, desktop, and cloud.

subscriptionB2B
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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
FeatureCosineDevin
Pricing modelsubscriptionsubscription
Starting price$20/mo$20/mo
Customer segmentB2BENTERPRISE
Deploymentweb, slack
Setup difficultyeasymoderate
Avg setup time
Rating4.5 / 5

Capabilities

Cosine

agentic-codingmulti-file-editingcode-generationautonomousterminal-agent

Devin

fully-autonomousend-to-end-developmenttestingpull-requests

Pros & Limitations

Editorial assessment

Cosine

Pros

  • Swarm mode spawns parallel specialized agents for complex refactors that would take a single agent hours
  • One unified runtime across CLI, desktop, and cloud with persistent project memory across sessions
  • Model-agnostic with support for Claude, GPT, Gemini, and Kimi including existing subscription passthrough

Limitations

  • Token-based pricing can be unpredictable for heavy usage on large codebases
  • Newer entrant competing against well-established tools like Cursor and Devin
  • Swarm mode coordination overhead may not justify cost for smaller single-file tasks

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 Cosine vs Devin?

See the full comparison above.

Which is best for my team — Cosine vs Devin?

How does pricing compare between Cosine vs Devin?

Cosine uses a subscription model, starting at $20 per month. Devin uses a subscription model, starting at $20 per month.

View full Cosine profile

Pricing, reviews, integrations →

View full Devin profile

Pricing, reviews, integrations →

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