Compare AI tools

	Stable Audio A	Google Veo A	Hume AI A	Replicate S
Tagline	Stability AI's open audio model. Loops + SFX + background.	Google's video model. Baked into Gemini + YouTube Shorts.	Voice AI that reads + expresses emotion.	Run any open-source AI model with an API call.
Category	Audio	Video	Voice	Dev Platform
Pricing	Free + $12/mo Pro + enterprise	Included with Gemini Advanced $20/mo + YouTube creator tools	Free tier + pay-as-you-go	Pay per second of compute
Best for	Game developers, podcasters needing SFX, video creators needing background music.	Gemini Advanced users, YouTube Shorts creators.	Therapy apps, customer service, any voice agent where emotion matters.	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	Detects + mirrors emotional tone EVI (Empathic Voice Interface) feels different Expressive voice output	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	Niche use case Pricing ramps fast	Cold starts on less-popular models Pricing gets real at scale
Kai's verdict	A-tier for its niche. Different use case than Suno — SFX and loops, not songs.	A-tier if you already pay Gemini. B-tier standalone.	A-tier in its niche. The only one that actually gets emotion right.	S-tier for open-source model APIs. The default in this space.
Link	Open →	Open →	Open →	Open →