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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.OpenAI's image model. Built into ChatGPT Plus.Run any open-source AI model with an API call.
CategoryCodingDataImageDev Platform
PricingFree (open source) + whatever API you useFree + $19-$89/user/moIncluded with ChatGPT Plus $20/moPay per second of compute
Best forDevelopers who want open-source tooling with full control.Ops teams, marketers, anyone building dashboards from multiple sources.ChatGPT Plus users who want images without paying extra.Developers using open-source models (Flux, SDXL, Whisper, etc).
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
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
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
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Cold starts on less-popular models
  • Pricing gets real at scale
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.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for open-source model APIs. The default in this space.
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