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