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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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S
Rows
A
Claude
S
DALL-E 3
B
TaglineRun any open-source AI model with an API call.Spreadsheets with AI + live integrations baked in.Anthropic's flagship — best reasoning + longest useful context.OpenAI's image model. Built into ChatGPT Plus.
CategoryDev PlatformDataChatbotsImage
PricingPay per second of computeFree + $19-$89/user/moFree + $20/mo Pro + team/enterpriseIncluded with ChatGPT Plus $20/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Ops teams, marketers, anyone building dashboards from multiple sources.Long writing, code, careful thinking, documents over 50 pages.ChatGPT Plus users who want images without paying extra.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Image generation is weak
  • No native web search on all tiers
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.
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