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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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TaglineSpreadsheets with AI + live integrations baked in.AI-powered networked notes. Roam with a brain.Run any open-source AI model with an API call.Vector + raster AI for designers. Actually controls the output.
CategoryDataProductivityDev PlatformImage
PricingFree + $19-$89/user/mo$10/moPay per second of computeFree + $12-$48/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.Knowledge workers + thinkers who want AI in their second brain.Developers using open-source models (Flux, SDXL, Whisper, etc).Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Expensive for just notes
  • Smaller community than Obsidian
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Less hyped than Midjourney
  • Learning curve for non-designers
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Niche but beloved. If you've outgrown Notion, try this.S-tier for open-source model APIs. The default in this space.S-tier for designers. The only one that takes vectors seriously.
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