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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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Stable Audio
A
Adobe Firefly
A
Suno
S
Replicate
S
TaglineStability AI's open audio model. Loops + SFX + background.Commercially safe image gen, deeply integrated with Photoshop.Prompt to full song with vocals, instruments, the works.Run any open-source AI model with an API call.
CategoryAudioImageAudioDev Platform
PricingFree + $12/mo Pro + enterpriseFree + included with Creative CloudFree + $10/mo + $30/moPay per second of compute
Best forGame developers, podcasters needing SFX, video creators needing background music.Anyone in Creative Cloud. Brands that need copyright clarity.Jingles, intros, demos, sketches, personal use.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Not for full songs with vocals
  • Shorter generation limits
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
  • Copyright gray zone
  • Audio quality behind studio
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier for its niche. Different use case than Suno — SFX and loops, not songs.S-tier inside Photoshop (Generative Fill). B-tier standalone.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for open-source model APIs. The default in this space.
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