Open Source AI Music Generation β€’ Apache 2.0 Licensed

AI Song Generator

Transform your ideas into unique, professional-quality music in seconds

The leading open source AI music generator and Suno alternative. Create lyrics to music with AI, generate songs in any genre. Free to use, deploy locally or in the cloud.

Apache 2.0 License3B+ Parameters10+ LanguagesUp to 6 Min Songs
24GB VRAMRTX 3090+Apache 2.0

Download from Hugging Face

Get HeartMuLa 3B model for local deployment. Apache 2.0 licensed for commercial use.

Try Now β€” Free Credits on Signup

Generate AI Music Instantly

Sign up for free credits and create your first AI song. Describe your idea and let AI compose unique music with vocals.

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Why Choose HeartMuLa?

The most advanced open source AI music generator with lyrics support, rivaling Suno and Udio in quality.

Text to Music AI

Simply describe the music you imagine using natural language. HeartMuLa's AI transforms your prompts into unique, professional compositions with vocals.

HeartCodec 12.5Hz

Revolutionary ultra-low frame rate codec enables 6-minute songs with perfect structure. Generate complete songs with Verse, Chorus, Bridge, and Outro.

Local & Cloud Deploy

Run HeartMuLa locally on your GPU (24GB+ VRAM) or use cloud services. Full privacy control with Apache 2.0 commercial license.

HeartMuLa vs Suno vs Udio

Open Source

HeartMuLa

Yes

Suno

No

Udio

No

Commercial License

HeartMuLa

Apache 2.0

Suno

Subscription

Udio

Subscription

Local Deployment

HeartMuLa

Yes

Suno

No

Udio

No

Max Duration

HeartMuLa

6 min

Suno

4 min

Udio

Unlimited*

Lyrics Quality

HeartMuLa

Excellent

Suno

Excellent

Udio

Good

Want a deeper comparison?

AI Generated Music Demos

Listen to songs created with HeartMuLa AI music generator. Click to play!

Festival Anthem
Electronic

Festival Anthem

Heart MuLa AI

Night Echoes
Ambient

Night Echoes

Heart MuLa AI

Lazy Evening
Lo-Fi

Lazy Evening

Heart MuLa AI

Country Roads
Rock

Country Roads

Heart MuLa AI

Peaceful Waves
Ambient

Peaceful Waves

Heart MuLa AI

Garage Groove
Hip-Hop

Garage Groove

Heart MuLa AI

Click any track to play β€’ Powered by HeartMuLa AI

How to Create AI Music

1

Describe Your Vision

Write a natural language prompt describing the mood, genre, and style of music you want. For example: 'An upbeat electronic dance track with euphoric synths and driving bass.'

2

Add Lyrics (Optional)

Write your own lyrics using structure tags like [Verse], [Chorus], and [Bridge]. HeartMuLa's AI understands song structure and generates vocals that match your words perfectly.

3

Choose Style Tags

Select from hundreds of style tags to fine-tune your sound β€” from 'ambient' and 'cinematic' to 'lo-fi hip hop' and 'orchestral'. Tags give you precise control over the AI's output.

4

Generate Your Song

Click generate and HeartMuLa's 3B-parameter AI model creates a complete, professional-quality song in seconds. Each generation produces unique audio with vocals, instruments, and mastering.

5

Download & Share

Download your AI-generated music in high quality. Share it on social media, use it in videos, or publish it commercially β€” all under the permissive Apache 2.0 license.

What Can You Create with AI Music

Video Background Music

Generate custom soundtracks for YouTube videos, short films, and social media content. No copyright worries with AI-generated music.

Podcast Intros & Outros

Create unique, branded audio identities for your podcast. Generate professional jingles and transitions in any style.

Social Media Content

Produce trending audio for TikTok, Instagram Reels, and YouTube Shorts. AI music generator creates viral-ready tracks in seconds.

Game Soundtracks

Design immersive background music for indie games. Generate ambient, action, or fantasy themes with the AI song generator.

Personal Songs

Write lyrics for birthdays, weddings, or special occasions and turn them into real songs with AI. The perfect personalized gift.

Learn how to use lyrics β†’

Commercial & Ads

Generate royalty-free music for advertisements, corporate videos, and brand content. Apache 2.0 license allows full commercial use.

Frequently Asked Questions

What is HeartMuLa?

HeartMuLa is an open source AI music generation model that creates professional-quality songs with lyrics. It uses a hierarchical Transformer architecture with the ultra-low frame rate HeartCodec (12.5Hz) to generate music up to 6 minutes long.

Is HeartMuLa free to use?

HeartMuLa offers free credits on signup so you can try AI music generation instantly. The underlying model is open source under Apache 2.0 for self-hosting. For cloud generation, affordable credit packages and subscriptions are available.

How does HeartMuLa compare to Suno?

HeartMuLa is often called the 'open source Suno alternative'. While Suno is a closed-source commercial service, HeartMuLa offers similar quality with the advantage of local deployment, privacy control, and no subscription fees.

What are the system requirements for HeartMuLa?

HeartMuLa 3B model requires approximately 24GB VRAM (GPU memory). Recommended GPUs include RTX 3090, RTX 4090, or A100. For users with lower VRAM, cloud GPU services like RunPod or Vast.ai can be used.

Can I use HeartMuLa for commercial projects?

Yes, HeartMuLa is licensed under Apache 2.0, which allows full commercial use. You own the rights to the music you generate.

How does text to music AI work?

HeartMuLa uses a hierarchical Transformer architecture to convert text descriptions into music. You write a prompt describing the mood, genre, and style, optionally add lyrics with structure tags like [Verse] and [Chorus], and the AI generates complete songs with vocals, instruments, and production. The HeartCodec 12.5Hz codec enables generation of songs up to 6 minutes long.

Is HeartMuLa a good Suno alternative?

Yes, HeartMuLa is widely considered the best open source Suno alternative. While Suno is a closed commercial service, HeartMuLa offers comparable music quality with key advantages: open source code (Apache 2.0), local deployment for privacy, no subscription lock-in, and full commercial rights to generated music.

Can HeartMuLa generate lyrics?

HeartMuLa excels at generating music from lyrics you provide. You can write your own lyrics using structure tags like [Verse], [Chorus], [Bridge], and [Outro], and the AI will generate matching vocals and instrumentation. For lyric writing assistance, describe your theme and the AI can help create complete song structures.

What music genres does HeartMuLa support?

HeartMuLa supports a wide range of genres including Pop, Rock, Electronic, Hip-Hop, R&B, Jazz, Classical, Ambient, Lo-Fi, Country, Metal, Reggae, Latin, K-Pop, J-Pop, and many more. You can also combine genres and use style tags for precise control over the sound.

How is AI music different from stock music?

AI-generated music is created uniquely for each request, so you'll never have the same track as another creator. Unlike stock music libraries where thousands share the same tracks, AI music is original and customizable. You can specify exact moods, genres, lyrics, and durations. With HeartMuLa's open source model, you also get full commercial rights.

Ready to Create AI Music?

Sign up to get free credits and start generating professional songs with HeartMuLa. Share your music and earn more credits.