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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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Reflect
A
Rows
A
Google Veo
A
Replicate
S
TaglineAI-powered networked notes. Roam with a brain.Spreadsheets with AI + live integrations baked in.Google's video model. Baked into Gemini + YouTube Shorts.Run any open-source AI model with an API call.
CategoryProductivityDataVideoDev Platform
Pricing$10/moFree + $19-$89/user/moIncluded with Gemini Advanced $20/mo + YouTube creator toolsPay per second of compute
Best forKnowledge workers + thinkers who want AI in their second brain.Ops teams, marketers, anyone building dashboards from multiple sources.Gemini Advanced users, YouTube Shorts creators.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier if you already pay Gemini. B-tier standalone.S-tier for open-source model APIs. The default in this space.
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