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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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TaglineTerminal-based AI pair programmer. Git-aware, model-flexible.Spreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.Vector + raster AI for designers. Actually controls the output.
CategoryCodingDataCodingImage
PricingFree (open source) + whatever API you useFree + $19-$89/user/moFree (open source) + your API costsFree + $12-$48/mo
Best forDevelopers who want open-source tooling with full control.Ops teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Less hyped than Midjourney
  • Learning curve for non-designers
Kai's verdictA-tier. The right answer if you want open-source + terminal-native + model-agnostic.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for designers. The only one that takes vectors seriously.
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