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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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Udio
A
Google Veo
A
OpenRouter
S
Replicate
S
TaglineSuno's main rival. Often better on instrumental nuance.Google's video model. Baked into Gemini + YouTube Shorts.One API, every model. Pay-as-you-go, no subscriptions.Run any open-source AI model with an API call.
CategoryAudioVideoDev PlatformDev Platform
PricingFree + $10-$30/moIncluded with Gemini Advanced $20/mo + YouTube creator toolsPay per token — model-dependentPay per second of compute
Best forMusicians comparing AI outputs. Anyone who didn't click with Suno.Gemini Advanced users, YouTube Shorts creators.Developers experimenting across models. Apps that want fallback logic.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Slight markup over direct API
  • Some provider features not exposed
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Genuinely different vibe from Suno — worth trying both for a month.A-tier if you already pay Gemini. B-tier standalone.S-tier for model-shopping. I use this for every prototype before committing.S-tier for open-source model APIs. The default in this space.
LinkOpen →Open →Open →Open →