WanSong: 5-Minute Long Song Generation Model
Wan-AI · hf · 2026-07-17
WanSong v1.0: A Pure Diffusion Model for Long Song Generation
Wan-AI released the technical report for WanSong v1.0, aiming for "commercial-grade" long-form song generation. The authors believe the current difficulty in music generation lies in achieving high fidelity, long duration, and controllability/customization simultaneously.
Model Features
- Adopts a pure diffusion approach, rather than AR or cascaded multi-stage pipelines
- Can directly generate high-fidelity, multilingual songs up to 5 minutes long
- A single generation outputs dual tracks: vocals + accompaniment
- Supports inference speedup via step-distillation
- Provides highly efficient fine-tuning and customization paths for downstream editing tasks
This report focuses not on isolated demos, but on pushing the efficiency, quality, and controllability of long-form music generation forward together.
Related event: Wan Team Releases WanSong Music Generation Model(2 posts)→
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