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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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Fathom
S
Devin
A
Gamma
A
TaglineMeeting notes, free forever for individuals.Cognition Labs' autonomous coding engineer.AI slide decks that don't look AI-generated.
CategoryMeetingsAgentsProductivity
PricingFree for individuals + $15-$29/user/mo teams$500/moFree + $10-$20/mo
Best forSolo operators, freelancers, small teams on a budget.Engineering teams offloading tickets. Ops/platform work.Pitch decks, proposals, internal presentations — fast.
Strengths
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
Weaknesses
  • Bot-joining model
  • Team features gated
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Locked into Gamma's format
  • Export quality varies
Kai's verdictS-tier for solo + free. The best free option, hands down.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.
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