Is flash_attn safe to use?

flash_attn has no known vulnerabilities on the latest version (2.8.3). DepScope rates its health at 52/100 (high risk).

What is the latest version of flash_attn?

The latest version of flash_attn is 2.8.3, released 2025-08-15.

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 (2025-08-15).

What are alternatives to flash_attn?

Popular alternatives to flash_attn in PyPI include: boto3, packaging, urllib3, certifi, idna.

What license does flash_attn use?

flash_attn is licensed under BSD-3-Clause.

flash_attn

pypiv2.8.3

Flash Attention: Fast and Memory-Efficient Exact Attention

License BSD-3-Clausepermissive75 versions1 maintainers2 deps

Dao-AILab/flash-attention

/ 100

Health

safe to use

[email protected] is safe to use (health: 52/100)

Health breakdown0 – 100

10/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

2/15

community

Vulnerabilities

none known

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