HeartMuLa
Create Professional Music with AI in Seconds. HeartMuLa is an open-source AI music foundation model with 4B parameters. Generate studio-quality music from simple text descriptions in multiple languages.
Open-Source AI Music Foundation Model
HeartMuLa is an open-source music foundation model family that advances large-scale music understanding and generation across multiple tasks and modalities. Built on cutting-edge AI research with 4B parameters, HeartMuLa provides a complete music generation ecosystem available to everyone.
Open Source Foundation Model
Built on cutting-edge AI research with 4B parameters, HeartMuLa provides a complete music generation ecosystem available to everyone. Access the full model weights, training code, and documentation on GitHub.
Multi-Language Support
Generate music with lyrics and descriptions in 5+ languages including English, Chinese, Japanese, Korean, and Spanish. HeartMuLa understands musical concepts across different cultures and languages.
High-Fidelity Audio
Powered by HeartCodec, our low-frame-rate audio codec delivers studio-quality music with exceptional detail preservation. Experience professional-grade audio output at 12.5Hz frame rate.
Flexible Control
Fine-grained style control with multi-conditional creation using text descriptions, lyrics, and reference audio. Upload reference tracks to guide HeartMuLa in matching your desired style and vibe.
Why Choose HeartMuLa Over Other AI Music Platforms
See how HeartMuLa compares to leading AI music platforms. HeartMuLa offers unmatched value with its open-source approach, multi-language support, and complete creative freedom.
The Future of Open-Source AI Music Generation
HeartMuLa combines cutting-edge AI technology with the freedom of open source, giving you complete control over your music creation process.
100% Free & Open Source
No subscription fees, no hidden costs. Use unlimited music generation for free. HeartMuLa is committed to democratizing AI music creation for everyone.
Full Transparency
Open-source code, published research, and complete model access. Know exactly how your music is generated with HeartMuLa. Review our arXiv paper (2601.10547) for technical details.
Self-Hosting Option
Deploy HeartMuLa on your own infrastructure for complete control over your data and privacy. Your music stays with you, not on someone else's servers.
Academic Foundation
Backed by peer-reviewed research and cutting-edge AI technology with 4B parameters. HeartMuLa represents the frontier of open-source music generation research.
Online version is under development
100% Free • Open Source • Self-Hostable
Technology
Open-Source AI Music Generation
HeartMuLa leverages cutting-edge AI technology with 4B parameters to deliver professional-grade music generation across multiple languages and styles.
- AI-Powered Generation
- Built on a 4B parameter foundation model, HeartMuLa creates studio-quality music from simple text descriptions. Completely open-source and free to use.
- Multi-Language Lyrics
- Generate songs with lyrics in 5+ languages including English, Chinese, Japanese, Korean, and Spanish. Perfect for global content creation.
- High-Fidelity Audio
- Powered by HeartCodec, our advanced audio codec delivers exceptional sound quality with precise detail preservation at 12.5Hz frame rate.
- Lightning Fast
- Create complete music tracks in just 10-30 seconds. Our optimized inference pipeline ensures rapid generation without compromising quality.
Frequently Asked Questions
- What is HeartMuLa?
HeartMuLa is an open-source AI music foundation model with 4B parameters. It generates professional-quality music from text descriptions, supports multi-language lyrics, and is completely free to use.
- How fast is music generation?
HeartMuLa generates complete music tracks in 10-30 seconds. Our optimized inference pipeline ensures rapid generation while maintaining studio-quality audio output.
- What music styles are supported?
HeartMuLa supports a wide range of genres including pop, rock, electronic, classical, jazz, hip-hop, and more. You can specify genre, mood, tempo, and instruments in your text description.
- How does multi-language lyric support work?
HeartMuLa can generate songs with lyrics in English, Chinese, Japanese, Korean, and Spanish. Simply specify your desired language in the prompt or write custom lyrics in any supported language.
- Is HeartMuLa free to use?
Yes! HeartMuLa is completely free and open-source. There are no subscription fees, no hidden costs, and unlimited music generation during beta and beyond. You can even self-host it on your own infrastructure.