A agentindex
Comparison

Devin vs Windsurf

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Devin

Cognition's autonomous software engineer.

  • + True end-to-end autonomy
  • + No local setup
  • − Expensive and access-gated
  • − Less transparent than open alternatives

Windsurf

Codeium's AI-native IDE (Cascade agent).

  • + Strong agentic flow in-editor
  • + Generous free tier from Codeium
  • − Closed source
  • − Competes directly with Cursor on a narrow wedge
Spec Devin Windsurf
Category coding-agent coding-agent
License Proprietary Proprietary
Open source No No
Self-hostable No No
MCP support No Yes
Pricing paid freemium
Starting price $500/mo (access tier) $15/mo
Models claude, gpt claude, gpt, gemini, custom
Languages multi multi
GitHub stars — —
Last activity — —