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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
GitHub Copilot
B
OpenAI Voice / Realtime
S
TaglineMeeting notes, free forever for individuals.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.
Categorymeetingcodingvoice
PricingFree for individuals + $15-$29/user/mo teamsFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usage
Best forSolo operators, freelancers, small teams on a budget.Teams with GitHub already. Devs who don't want to change IDEs.Voice chat users, developers building voice agents on OpenAI.
Strengths
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
Weaknesses
  • Bot-joining model
  • Team features gated
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
Kai's verdictS-tier for solo + free. The best free option, hands down.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.
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