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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
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
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Data
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Google Veo
A
Udio
A
OpenRouter
S
Replicate
S
TaglineGoogle's video model. Baked into Gemini + YouTube Shorts.Suno's main rival. Often better on instrumental nuance.One API, every model. Pay-as-you-go, no subscriptions.Run any open-source AI model with an API call.
CategoryVideoAudioDev PlatformDev Platform
PricingIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $10-$30/moPay per token — model-dependentPay per second of compute
Best forGemini Advanced users, YouTube Shorts creators.Musicians comparing AI outputs. Anyone who didn't click with Suno.Developers experimenting across models. Apps that want fallback logic.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric 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
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • 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 if you already pay Gemini. B-tier standalone.A-tier. Genuinely different vibe from Suno — worth trying both for a month.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 →