flash-attn-4
PyPIactive
flash-attn-4 last released 4.0.0b35 on 2026-10-14. Its latest version requires Python >=3.10.
Facts
- Latest release
- 4.0.0b35, (10 days ago)
- First published
- (8 months ago)
- Releases in the last 12 months
- 33
- Median days between releases
- 7
- Median days between major versions
- 24
- Monthly downloads
- 870,839
- License
- BSD 3-Clause License
- Repository
- github.com/Dao-AILab/flash-attention
- Source
- pypi.org (checked 2026-10-19)
Major versions
2 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 4 | 4.0.0b3 | 2026-03-05 | 4.0.0b35 | 2026-10-14 |
| 0 | 0.0.1 | 2026-02-09 | 0.0.1 | 2026-02-09 |
Runtime requirements
The latest version of flash-attn-4 declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | >=3.10 | 3.10 | 4.0.0b10 | 2026-04-22 |
Supported runtimes
The latest version of flash-attn-4 runs on 6 tracked runtime releases.
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