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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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Dev Platform
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Meetings
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Productivity
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Reflect
A
Leonardo.ai
A
Rows
A
Claude
S
TaglineAI-powered networked notes. Roam with a brain.Gamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Anthropic's flagship — best reasoning + longest useful context.
CategoryProductivityImageDataChatbots
Pricing$10/moFree + $12-$60/moFree + $19-$89/user/moFree + $20/mo Pro + team/enterprise
Best forKnowledge workers + thinkers who want AI in their second brain.Indie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Long writing, code, careful thinking, documents over 50 pages.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 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
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Image generation is weak
  • No native web search on all tiers
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier for creators training custom looks. B-tier for general use.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.
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