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flash-attn

Flash Attention: Fast and Memory-Efficient Exact Attention
Licenses: BSD-2-Clause
Published: 3 years ago Last updated: 22 days ago Latest version: 2.8.3.post1
pip
GitHub

Package Health Score

64/100
  • securitySecurity issues found
  • popularityInfluential project
  • maintenanceHealthy
  • communitySustainable

Maintenance

HEALTHY

Commit Frequency

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Open Issues
1013
Open PR
202
New PRS
1
Last Release
22 days ago
Last Commit
2 days ago
Maintainers
1

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
24.3k
Forks
2.9k
Contributors
0

Based on project statistics from the GitHub repository for the PyPI package flash-attn, we found that it has been starred 24,331 times.

Community

SUSTAINABLE
Readme
Yes
Contributing.md
No
Code of Conduct
No
Contributors
0
Funding
No
LICENSE
BSD-3-Clause

This project has seen only 10 or less contributors.

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
  • 0
    H
  • 1
    M
  • 0
    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