PyPI · pypi:flash-attn-4

flash-attn-4 active

Flash Attention CUTE (CUDA Template Engine) implementation

The latest stable version of flash-attn-4 is 4.0.0b39, published on 2026-11-11. Verified by Vigia on 2026-11-13.

Latest stable version	4.0.0b39
Published	2026-11-11 08:12:49 UTC
Install	`pip install --upgrade flash-attn-4`
Requires	`python >=3.10`
License	BSD 3-Clause License
Advisories on latest version	none known
Last verified	2026-11-13 08:26:39 UTC
Sources	pypi.org

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Maintenance

Activity	slowing down
Last stable release	2026-02-09 17:45:40 UTC · 276 days ago
Stable releases in the last 12 months	1
Published versions	37

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.0.1` withdrawn	2026-02-09 17:45:40 UTC

Showing the 1 most recent of 1 versions. JSON

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Frequently asked questions

What is the latest version of flash-attn-4?

The latest stable version of flash-attn-4 is 4.0.0b39, published on 2026-11-11. Verified by Vigia on 2026-11-13.

How do I install the latest version of flash-attn-4?

Run pip install --upgrade flash-attn-4. The latest stable version is 4.0.0b39 (verified 2026-11-13).

Is flash-attn-4 deprecated?

No. flash-attn-4 is not marked as deprecated in the registry.

Which Python version does flash-attn-4 require?

flash-attn-4 4.0.0b39 declares this requirement: python >=3.10.

Does flash-attn-4 4.0.0b39 have known vulnerabilities?

No known advisories affect flash-attn-4 4.0.0b39 according to the data Vigia checks.

Is flash-attn-4 still maintained?

flash-attn-4 published 1 stable releases in the last 12 months; the most recent was 276 days ago. Activity: slowing down.

Observed changes

Wed Nov 11 2026 08:14:28 GM +0000 (Coordinated Universal Time) — released 4.0.0b38 → 4.0.0b39
Wed Nov 04 2026 08:14:32 GM +0000 (Coordinated Universal Time) — released 4.0.0b37 → 4.0.0b38
Wed Oct 28 2026 08:16:42 GM +0000 (Coordinated Universal Time) — released 4.0.0b36 → 4.0.0b37
Wed Oct 21 2026 08:21:46 GM +0000 (Coordinated Universal Time) — released 4.0.0b35 → 4.0.0b36
Wed Oct 14 2026 08:22:31 GM +0000 (Coordinated Universal Time) — released 4.0.0b34 → 4.0.0b35
Wed Oct 07 2026 08:24:35 GM +0000 (Coordinated Universal Time) — released 4.0.0b33 → 4.0.0b34
Wed Sep 30 2026 08:24:15 GM +0000 (Coordinated Universal Time) — released 4.0.0b32 → 4.0.0b33

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