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TaglineAI-powered networked notes. Roam with a brain.Run any open-source AI model with an API call.AI research assistant for academic literature.Spreadsheets with AI + live integrations baked in.
CategoryProductivityDev PlatformResearchData
Pricing$10/moPay per second of computeFree + $12-$42/moFree + $19-$89/user/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Developers using open-source models (Flux, SDXL, Whisper, etc).Grad students, researchers, anyone doing literature reviews.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • 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
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Academic-only
  • Can hallucinate citations — verify everything
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-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 academic research. Nothing else comes close for systematic reviews.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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