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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Devin
A
Windsurf
A
Claude Code
S
GitHub Copilot
B
TaglineCognition Labs' autonomous coding engineer.Codeium's agentic IDE. Cascade agent + strong free tier.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Categoryagentscodingcodingcoding
Pricing$500/moFree + $15/mo ProPart of Claude Pro/Max/Team plansFree (limited) + $10/mo Pro + $19/mo Business
Best forEngineering teams offloading tickets. Ops/platform work.Developers who want Cursor-like power for less money.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Smaller community
  • Model selection more limited
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Close second to Cursor. If $5/mo matters, start here.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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