SongGeneration 2 Large 4B

model·generative music model·active

LeVo 2 open checkpoint for multilingual song generation from text and audio prompts.

Recorded facts

Official site	https://github.com/tencent-ailab/SongGeneration ↗
Geography	unknown
repository	tencent-ailab/SongGeneration
parameter count	4B
api	unknown
inputs	text; lyrics; audio prompt
license	Repository-specific open model terms; exact checkpoint license requires review
outputs	music; vocals
weights	public
modalities	audio prompt; lyrics; music; text; vocals
dependencies	unknown
model family	LeVo / SongGeneration
access method	downloadable weights; local inference
exact version	SongGeneration-v2-large (4B)
repository links	https://github.com/tencent-ailab/SongGeneration
evaluation results	result: PER 8.55% reported for March 9 checkpoint · source: https://github.com/tencent-ailab/SongGeneration · benchmark: developer expert evaluation
evidence separation	developer claims: Developer claims commercial-grade quality and superiority over open baselines. · measured results: Developer reports phoneme error rate of 8.55% for the March 9 checkpoint. · independent evaluations:
developer maintainer	Tencent AI Lab
material us relevance	Publicly accessible in or materially offered to the United States market as of snapshot.
documented capabilities	multilingual song generation; audio-prompt control; lyric alignment
products exposing model	unknown
commercial use conditions	Commercial use is not treated as verified until checkpoint license text is reviewed.
known geographic or policy restrictions	Evaluation is developer-run; checkpoint date matters
safety watermarking disclosure provenance	unknown