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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
Google Veo
A
DALL-E 3
B
Replicate
S
TaglineStability AI's open audio model. Loops + SFX + background.Google's video model. Baked into Gemini + YouTube Shorts.OpenAI's image model. Built into ChatGPT Plus.Run any open-source AI model with an API call.
CategoryAudioVideoImageDev Platform
PricingFree + $12/mo Pro + enterpriseIncluded with Gemini Advanced $20/mo + YouTube creator toolsIncluded with ChatGPT Plus $20/moPay per second of compute
Best forGame developers, podcasters needing SFX, video creators needing background music.Gemini Advanced users, YouTube Shorts creators.ChatGPT Plus users who want images without paying extra.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • 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.A-tier if you already pay Gemini. B-tier standalone.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for open-source model APIs. The default in this space.
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