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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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Windsurf
A
Cline
A
Rows
A
GitHub Copilot
B
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Open-source VS Code agent. Reads + writes + runs.Spreadsheets with AI + live integrations baked in.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Categorycodingcodingdatacoding
PricingFree + $15/mo ProFree (open source) + your API costsFree + $19-$89/user/moFree (limited) + $10/mo Pro + $19/mo Business
Best forDevelopers who want Cursor-like power for less money.VS Code users who want agentic coding without changing IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Smaller community
  • Model selection more limited
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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