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TaglineRun any open-source AI model with an API call.Spreadsheets with AI + live integrations baked in.VS Code fork that made AI coding actually work.Google Docs with an AI collaborator baked in.
Categorydev platformdatacodingwriting
PricingPay per second of computeFree + $19-$89/user/moFree + $20/mo Pro + $40/mo BusinessFree + $12/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Ops teams, marketers, anyone building dashboards from multiple sources.Developers. Non-developers who want to ship working code.Essays, long-form drafts, thinking on the page.
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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
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
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
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 coding. If you write code of any kind, this pays back the $20 in a day.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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