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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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Dev Platform
Agents
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Audio
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OpenRouter
S
Suno
S
Rows
A
Stable Audio
A
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Prompt to full song with vocals, instruments, the works.Spreadsheets with AI + live integrations baked in.Stability AI's open audio model. Loops + SFX + background.
CategoryDev PlatformAudioDataAudio
PricingPay per token — model-dependentFree + $10/mo + $30/moFree + $19-$89/user/moFree + $12/mo Pro + enterprise
Best forDevelopers experimenting across models. Apps that want fallback logic.Jingles, intros, demos, sketches, personal use.Ops teams, marketers, anyone building dashboards from multiple sources.Game developers, podcasters needing SFX, video creators needing background music.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Copyright gray zone
  • Audio quality behind studio
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Not for full songs with vocals
  • Shorter generation limits
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier in its category. The first AI music tool I'd actually listen to.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
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