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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
Gemini
A
Devin
A
TaglineMeeting notes, free forever for individuals.Google's answer. Best integrated with Workspace + free for a lot.Cognition Labs' autonomous coding engineer.
Categorymeetingchatagents
PricingFree for individuals + $15-$29/user/mo teamsFree + $20/mo Advanced (bundled with 2TB Drive)$500/mo
Best forSolo operators, freelancers, small teams on a budget.Anyone already on Google, research tasks, summarizing long documents.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Bot-joining model
  • Team features gated
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictS-tier for solo + free. The best free option, hands down.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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