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Suno
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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.VS Code fork that made AI coding actually work.Meeting notes, free forever for individuals.
Categorydev platformaudiocodingmeeting
PricingPay per second of computeFree + $10/mo + $30/moFree + $20/mo Pro + $40/mo BusinessFree for individuals + $15-$29/user/mo teams
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Jingles, intros, demos, sketches, personal use.Developers. Non-developers who want to ship working code.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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 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
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • 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 for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for solo + free. The best free option, hands down.
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