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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
Gamma
A
GitHub Copilot
B
Windsurf
A
TaglineCognition Labs' autonomous coding engineer.AI slide decks that don't look AI-generated.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Codeium's agentic IDE. Cascade agent + strong free tier.
Categoryagentsproductivitycodingcoding
Pricing$500/moFree + $10-$20/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15/mo Pro
Best forEngineering teams offloading tickets. Ops/platform work.Pitch decks, proposals, internal presentations — fast.Teams with GitHub already. Devs who don't want to change IDEs.Developers who want Cursor-like power for less money.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Locked into Gamma's format
  • Export quality varies
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Smaller community
  • Model selection more limited
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Close second to Cursor. If $5/mo matters, start here.
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