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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
Suno
S
Granola
S
TaglineRun any open-source AI model with an API call.Meeting notes, free forever for individuals.Prompt to full song with vocals, instruments, the works.Meeting notes that don't suck. Runs locally, no bot joins.
CategoryDev PlatformMeetingsAudioMeetings
PricingPay per second of computeFree for individuals + $15-$29/user/mo teamsFree + $10/mo + $30/moFree + $18/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Solo operators, freelancers, small teams on a budget.Jingles, intros, demos, sketches, personal use.Founders, execs, consultants who live in calls.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Bot-joining model
  • Team features gated
  • Copyright gray zone
  • Audio quality behind studio
  • Mac-only
  • Single-user by design
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for solo + free. The best free option, hands down.S-tier in its category. The first AI music tool I'd actually listen to.S-tier. Category-defining UX. If you take notes in meetings, switch this week.
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