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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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Claude
S
Leonardo.ai
A
Rows
A
Fathom
S
TaglineAnthropic's flagship — best reasoning + longest useful context.Gamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Meeting notes, free forever for individuals.
CategoryChatbotsImageDataMeetings
PricingFree + $20/mo Pro + team/enterpriseFree + $12-$60/moFree + $19-$89/user/moFree for individuals + $15-$29/user/mo teams
Best forLong writing, code, careful thinking, documents over 50 pages.Indie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Solo operators, freelancers, small teams on a budget.
Strengths
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • 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
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Image generation is weak
  • No native web search on all tiers
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Bot-joining model
  • Team features gated
Kai's verdictS-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.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 solo + free. The best free option, hands down.
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