tech
December 15, 2025
Mirelo raises $41M from Index and a16z to solve AI video's silent problem
Mirelo, a German startup that is building AI to add synced sound effects to videos, has raised a $41 million seed round led by Index Ventures and Andreessen Horowitz.

TL;DR
- Mirelo is building AI that adds synchronized sound effects and soundtracks to videos.
- The startup recently released Mirelo SFX v1.5, an AI model for generating sound effects.
- Mirelo raised $41 million in seed funding, led by Index Ventures and Andreessen Horowitz.
- The new capital will be used for hiring, R&D, and product development, including Mirelo Studio.
- Mirelo's models are based on public and purchased sound libraries, with revenue-sharing partnerships to respect artists' rights.
- The company targets amateurs and prosumers with a freemium model, with a creator plan at €20/month.
- Mirelo plans to add AI music generation to its roadmap.
- The startup has received backing from notable figures in the AI industry.
Continue reading
the original article