SCRIPT: Scalable Diffusion Policy with Multi-stage Training for Language-driven Physics-Based Humanoid Control
Paper • 2605.22894 • Published
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SCRIPT
Weights and data of SCRIPT: Scalable Diffusion Policy with Multi-stage Training for Language-driven Physics-Based Humanoid Control (SIGGRAPH Asia 2026).
Paper · Project page · Code · Video
Files
| Path | Size | Contents |
|---|---|---|
checkpoints/stage1_humanml3d_0.5B/ |
1.9 GB | Stage I policy (0.5B, step 80k, EMA weights), with its normaliser, null text and scheduler |
checkpoints/evaluators/humanml3d_paper/ |
0.3 GB | the text-motion evaluator of the paper |
checkpoints/evaluators/humanml3d_retrained/ |
0.3 GB | the evaluator retrained with the released code |
data/humanml3d/window_154+4/ |
52 GB | tracked training and validation trajectories with CLIP text features, the index of training windows, the normaliser |
data/humanml3d/evaluate_data/test.h5 |
9.1 GB | the 11,468 tracked test trajectories: the ground truth of the evaluation |
data/humanml3d/test_motions/ |
4.5 GB | the test set in 8 shards, for the standing start and for the start from the reference motion |
data/humanml3d/texts.tar.gz |
18 MB | the captions |
data/humanml3d/null_text.pt |
0.4 MB | the CLIP features of the empty caption, for classifier-free guidance in training |
Usage
Accept the conditions on this page, log in with hf auth login, and download into the root of the
code:
hf download Zhanglele/SCRIPT --local-dir . # everything (68 GB)
hf download Zhanglele/SCRIPT --include "checkpoints/*" --local-dir . # only the weights (2.5 GB)
tar -xzf data/humanml3d/texts.tar.gz -C data/humanml3d
The files are then where the code's configs and commands expect them, e.g.
bash scripts/eval_humanml3d.sh checkpoints/stage1_humanml3d_0.5B checkpoints/evaluators/humanml3d_paper --keep-copies
| Evaluator | MM_Dist ↓ | R@1 ↑ | R@2 ↑ | R@3 ↑ | FID ↓ | Diversity |
|---|---|---|---|---|---|---|
humanml3d_paper (--keep-copies) |
2.020 | 0.484 | 0.650 | 0.738 | 0.137 | 1.460 |
humanml3d_retrained |
1.784 | 0.494 | 0.661 | 0.754 | 0.127 | 1.352 |
License
The motions come from AMASS and HumanAct12, cut into captioned clips by HumanML3D and tracked in simulation with PHC; the data is subject to the AMASS license. The weights are released under CC BY-NC 4.0. Both are for non-commercial research only.
Citation
@article{zhang2026script,
title = {SCRIPT: Scalable Diffusion Policy with Multi-stage Training for
Language-driven Physics-Based Humanoid Control},
author = {Zhang, Jingyan and Liang, Han and Zhang, Ruichi and Li, Bin and
Zhang, Juze and Chen, Xin and Wang, Jingya and Xu, Lan and Yu, Jingyi},
journal = {arXiv preprint arXiv:2605.22894},
year = {2026}
}
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