Tsinghua Machine Learning Group

license

Apache-2.0(OSI)

source

public

core-gated

ungated

Apache-2.0 license body confirmed. The repository is public and unarchived and builds the whole product, and the README describes no paid tier, enterprise edition or license-gated build beside it, so source is public and the core ungated.

• https://github.com/thu-ml/SageAttention/blob/main/LICENSE recorded 2026-08-18

  LICENSE file is the verbatim Apache-2.0 text

• https://api.github.com/repos/thu-ml/SageAttention recorded 2026-08-18

  Repo metadata - license spdx_id Apache-2.0, private false, archived false, default branch main - for thu-ml/SageAttention.

• https://github.com/thu-ml/SageAttention/blob/main/README.md recorded 2026-08-18

  README describes the official implementation of SageAttention, SageAttention2 and SageAttention2++, quantized 8-bit and INT4 attention applied as a plug-and-play replacement across language, image and video models, with no paid tier, enterprise edition or license-key-gated build beside it.