LlamaGen-FlashAR

This repository collects FlashAR checkpoints for LlamaGen variants.

FlashAR is introduced in "FlashAR: Efficient Post-Training Acceleration for Autoregressive Image Generation". It accelerates raster-scan autoregressive image generation with a vertical prediction branch and a learnable fusion gate, enabling anti-diagonal decoding.

• Paper: arXiv:2605.09430
• Project page: FlashAR
• Code: LlamaGen-FlashAR

Checkpoints

Variant	Directory	Checkpoint	Extra files
LlamaGen-B	B/	B/FlashAR-LlamaGen-B.pt	B/FlashAR-LlamaGen-B.json
LlamaGen-L	L/	L/FlashAR-LlamaGen-L.pt	L/metrics.json
LlamaGen-XL	XL/	XL/FlashAR-LlamaGen-XL.pt	XL/FlashAR-LlamaGen-XL.json
LlamaGen-XXL	XXL/	XXL/FlashAR-LlamaGen-XXL.pt	XXL/metrics.json

Each subdirectory also includes the source model card and configuration.json from the corresponding ModelScope checkpoint.

Layout

.
├── B/
│   ├── FlashAR-LlamaGen-B.pt
│   ├── FlashAR-LlamaGen-B.json
│   ├── configuration.json
│   └── README.md
├── L/
│   ├── FlashAR-LlamaGen-L.pt
│   ├── metrics.json
│   ├── configuration.json
│   └── README.md
├── XL/
│   ├── FlashAR-LlamaGen-XL.pt
│   ├── FlashAR-LlamaGen-XL.json
│   ├── configuration.json
│   └── README.md
└── XXL/
    ├── FlashAR-LlamaGen-XXL.pt
    ├── metrics.json
    ├── configuration.json
    └── README.md

Citation

@article{zhou2026flashar,
  title={FlashAR: Efficient Post-Training Acceleration for Autoregressive Image Generation},
  author={Zhou, Junkang and He, Yefei and Chen, Feng and Wang, Weijie and Zhuang, Bohan},
  journal={arXiv preprint arXiv:2605.09430},
  year={2026}
}