HeartMuLa

Web · Self-hosted

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Freedom report

One barScore 5.6

Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

HeartMuLa is ranked #108 of 124 in AI music generators on Freedom251. It runs on Self-hosted, Web.

Compared on AI music generators

Commercial use: Yes
Vocal generation: Yes
Audio export formats: mp3
Supported platforms: web

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The record

Product: HeartMuLa is an open-source family of music foundation models for music understanding and generation.
Song generation: HeartMuLa generates music conditioned on lyrics and tags, with multilingual support.
Model components: The family includes HeartMuLa, HeartCodec, HeartTranscriptor, and HeartCLAP.
Audio codec: HeartCodec is described as a 12.5 Hz music codec with high reconstruction fidelity.
Transcription: HeartTranscriptor is a Whisper-based model tuned for lyric transcription.
Audio-text retrieval: HeartCLAP aligns audio and text in a shared embedding space for music descriptions and cross-modal retrieval.
Generation controls: The models support multi-conditional creation using style descriptions, lyrics, and reference audio; the site also describes section-level style control and short music generation for videos.
Downloads: The repository provides pretrained checkpoints through Hugging Face and ModelScope for local deployment.
Online demos: The maintainers say they launched online demo spaces on Hugging Face and ModelScope.
Integration: The repository links to a community-created ComfyUI custom node for HeartMuLa.
License: The repository and related model weights are stated to use the Apache 2.0 license.
Requirements: The local deployment instructions recommend Python 3.10 and document CUDA device settings for inference.
Limit: The repository documents a default maximum generated audio length of 240,000 milliseconds.
Support: The maintainers list [email protected] and invite users to join their Discord or WeChat group.

Where it ranks on Freedom251

Best AI Music Generators in 2026#108 of 124

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Sources

heartmula.github.io· checked 12 Oct 2026
github.com/HeartMuLa/heartlib· checked 12 Oct 2026