facebookresearch/faiss
A library for efficient similarity search and clustering of dense vectors.
41.2k stars · 4.6k forks · C++
Healthy
Healthy: actively maintained by 59 people, no known risks.
Why
No rule fired.
What would change this
- Partly checked: maintenance (Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.)
- A dormant maintenance status, a deprecated or archived package, a successor link, or a critical advisory would change this.
Maintenance
PartialActive
- Human commits, 30 days
- 68
- Human commits, 90 days
- 179
- Human commits, 365 days
- 770
- Bot share of commits, 365 days
- 0%
- Last commit
- Oct 14, 2026 (17 hours ago)
- Last human commit
- Oct 14, 2026 (17 hours ago)
- Authors, 90 days
- 59
- Last release
- Sep 16, 2026 (28 days ago)
- Median PR merge time
- 2 days
Responsiveness: of 30 recent issues, 0% got a maintainer reply. Median first response: n/a.
- Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.
Sources: Commits, Releases, Merged pull requests, Issues
People
Complete- Owner
- Organization
- Commits sampled
- 500 since Oct 14, 2025
- Authors for half of commits
- 6
- Authors for 80% of commits
- 27
- Contributors
- 290
Top committers
- Michael Norris: 17% of commits
- alibeklfc: 16% of commits
- scsiguy: 7% of commits
- generatedunixname949130641157030: 4% of commits
- algoriddle: 4% of commits
- Shares come from the newest sampled commits, since the commit sample is capped.
Sources: Commits, Contributors
Stars
CompleteOrganic, confidence high
Bursts
- Jan 5, 2018 to Jan 11, 2018: about 104 more stars than usual, peak 34 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Mar 25, 2021 to Mar 26, 2021: about 114 more stars than usual, peak 108 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Dec 14, 2021 to Dec 15, 2021: about 216 more stars than usual, peak 168 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
- Dec 19, 2021 to Dec 20, 2021: about 81 more stars than usual, peak 54 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Sep 21, 2022 to Sep 22, 2022: about 60 more stars than usual, peak 57 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Mar 30, 2023 to Mar 31, 2023: about 262 more stars than usual, peak 163 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
- 1 stars GitHub has since removed (tracked since Oct 14, 2026).
Anyone can buy stars for any repo; bursts alone don't prove the owner did.
- The star history looks organic.
Sources: How star history is analyzed
Risk
CompleteFlags
No risk flags.
License
- Now
- MIT (OSI-approved)
- A year ago
- MIT (OSI-approved)
Packages
- faiss-cpu (PYPI): latest 1.15.1, published Sep 16, 2026
Advisories for the latest version: none listed
Package and advisory data: deps.dev and OSV.
OpenSSF Scorecard: 6.1 out of 10 (via deps.dev).
Sources: GitHub: facebookresearch/faiss, deps.dev: PyPI faiss-cpu
Badge
Add this to a README to show the current verdict:
[](https://reporadar.ai/facebookresearch/faiss)Earlier verdicts
- Oct 14, 2026: Healthy
- Oct 14, 2026: Healthy
- Oct 13, 2026: Healthy
Computed 15 hours ago · method 2026.10.2