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flash-attn

Flash Attention: Fast and Memory-Efficient Exact Attention
Licenses: BSD-2-Clause
Published: 3 years ago Last updated: 1 months ago Latest version: 2.8.3.post1
pip
GitHub

Package Health Score

70/100
  • securitySecurity issues found
  • popularityInfluential project
  • maintenanceHealthy
  • communityActive

Maintenance

HEALTHY

Commit Frequency

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Open Issues
1016
Open PR
202
New PRS
1
Last Release
1 months ago
Last Commit
20 days ago
Maintainers
190

Further analysis of the maintenance status of flash-attn based on released PyPI versions cadence, the repository activity, and other data points determined that its maintenance is Healthy.

We found that flash-attn demonstrates a positive version release cadence with at least one new version released in the past 3 months.

As a healthy sign for on-going project maintenance, we found that the GitHub repository had at least 1 pull request or issue interacted with by the community.

Popularity

INFLUENTIAL PROJECT
GitHub Stars
24.5k
Forks
2.9k
Contributors
190

Based on project statistics from the GitHub repository for the PyPI package flash-attn, we found that it has been starred 24,507 times.

Community

ACTIVE
Readme
Yes
Contributing.md
No
Code of Conduct
No
Contributors
190
Funding
No
LICENSE
BSD-3-Clause

A good and healthy external contribution signal for flash-attn project, which invites more than one hundred open source maintainers to collaborate on the repository.

We found a way for you to contribute to the project! Looks like flash-attn is missing a Code of Conduct.

License

BSD-2-Clause[0,);
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Direct Vulnerabilities

Known vulnerabilities in the flash-attn package. This does not include vulnerabilities belonging to this package’s dependencies.

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Security

SECURITY ISSUES FOUND
Show only direct vulnerabilities in latest version
VulnerabilityVulnerable Version
  • M
Arbitrary Code Injection

[0,)

Package versions

76 VERSIONS IN TOTAL See all versions
versionpublisheddirect vulnerabilities
2.8.3.post111 Jun, 2026
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.8.315 Aug, 2025
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.8.224 Jul, 2025
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.8.110 Jul, 2025
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.8.0.post215 Jun, 2025
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.7.4.post130 Jan, 2025
  • 0
    C
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    H
  • 1
    M
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    L
2.7.312 Jan, 2025
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.7.2.post18 Dec, 2024
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.7.1.post47 Dec, 2024
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L
2.7.0.post213 Nov, 2024
  • 0
    C
  • 0
    H
  • 1
    M
  • 0
    L

flash-attn dependencies

2 IN TOTAL
einopstorch