Is flash-attn safe to use?

flash-attn has no known vulnerabilities on the latest version (2.8.3.post1). DepScope rates its health at 62/100 (moderate risk).

What is the latest version of flash-attn?

The latest version of flash-attn is 2.8.3.post1, released 2026-06-11.

Does flash-attn have known vulnerabilities?

No known vulnerabilities on the latest version of flash-attn.

Is flash-attn deprecated?

No, flash-attn is actively maintained. Latest release: 2.8.3.post1 (2026-06-11).

What are alternatives to flash-attn?

Popular alternatives to flash-attn in PyPI include: boto3, urllib3, typing_extensions, setuptools, python-dateutil.

What license does flash-attn use?

flash-attn is licensed under BSD-3-Clause.

flash-attn

pypiv2.8.3.post1

Flash Attention: Fast and Memory-Efficient Exact Attention

License BSD-3-Clausepermissive76 versions1 maintainers2 deps

Dao-AILab/flash-attention

/ 100

Health

use with caution

[email protected] low health (62/100) — consider alternatives

Moderate health score (62/100) — verify manually

Health breakdown0 – 100

20/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

2/15

community

Vulnerabilities

none known

Quality signals

Publish security

API token

Health History

Dependency Tree

License Audit

Dependencies (2)

torch einops

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/flash-attn