In Music & SFX, Stable Audio ranks #3 and Mirelo ranks #4. Stable Audio 3 Large is mid-table (roughly #7 to #12 of 19) on Artificial Analysis's instrumental music leaderboard. It isn't on the vocal board. AA instrumental leaderboard
Sound effects and ambience synced to trailer or gameplay video
Music and audio clips from text
What it does
Video-to-sound model (SFX 2.0) that generates sound effects, foley and ambience synced to a video while keeping its dialogue; also text-to-SFX, via a web studio, API and MCP server.
Stability AI's text-to-audio tool for generating music and audio clips.
Verdict
For sound effects synced to trailer or gameplay footage; the free plan is non-commercial and watermarked, so anything you ship needs a paid plan.
For generated music and audio clips; the free plan is non-commercial, while paid plans include a commercial licence.
Tasks●
Music & SFX, Trailers & marketing
Music & SFX
Engines
Any (standard file export / engine-agnostic)
Any (standard file export / engine-agnostic)
Free plan
Free plan Free €0/month: 5,000 credits, watermarked exports, non-commercial
Free plan Free; personal, non-commercial
Pricing
Free €0/month (5,000 credits, 3 projects, watermark on exports). Creator €20/month (24,000 credits), Studio €99/month (120,000), Scale €299/month (420,000), Business €999/month (1,440,000); extra credits €0.75–1.20 per 1,000; Enterprise custom. Billed monthly. Prices are published in euros only. source
Commercial on paid plans only Terms (last updated 9 Oct 2026): Free Plan users may use the Services and Output "exclusively for non-commercial purposes"; Paid Plan users may use them for commercial and business purposes. Rights in Output vest in you, subject to the plan limits and the Acceptable Use Policy (including its limits on training AI models). Free-plan output may carry a watermark and must credit Mirelo as the sound provider. source
Commercial on paid plans only Free plan: personal, non-commercial use. Paid plans list a commercial license. source
Revenue share / caps
Not stated by vendor
Not stated by vendor
API
Available. Mirelo API (text-to-SFX and video-to-SFX) source
Available. Stable Audio via the Stability AI developer platform source
MCP server●
Official MCP server. Hosted Mirelo MCP for Claude, Cursor, ChatGPT and other MCP clients source
Rows marked ● differ between the two tools. Licence badges: green = commercial use allowed (including any free plan or trial), amber = paid plans only, restricted, or allowed but with no free plan, red = not allowed, grey = not stated by vendor or not applicable. Read the vendor's current terms before you ship.
