ultralytics/yolov5
Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.
58.2k stars · 17.5k forks · Python
Caution
Caution: one person wrote most of the recent commits.
Why
- One person wrote 72% of human commits in the last year, so the project depends on them continuing. (source 1, source 2)
What would change this
- A second person takes a substantial share of commits.
Maintenance
CompleteActive
- Human commits, 30 days
- 2
- Human commits, 90 days
- 32
- Human commits, 365 days
- 89
- Bot share of commits, 365 days
- 23%
- Last commit
- Oct 6, 2026 (8 days ago)
- Last human commit
- Oct 6, 2026 (8 days ago)
- Authors, 90 days
- 5
- Last release
- Nov 22, 2022 (3 years ago)
- Median PR merge time
- 1 hour
Responsiveness: of 2 recent issues, n/a got a maintainer reply. Median first response: n/a.
- Only 2 recent issues can be checked for a response, too few to measure response time.
Sources: Commits, Releases, Merged pull requests, Issues
People
Complete- Owner
- Organization
- Commits sampled
- 89 since Oct 14, 2025
- Authors for half of commits
- 1
- Authors for 80% of commits
- 3
- Contributors
- 337
Top committers
- glenn-jocher: 72% of commits
- UltralyticsAssistant: 7% of commits
- OrbisAI Security: 6% of commits
- Y-T-G: 3% of commits
- orbisai0security: 2% of commits
Sources: Commits, Contributors
Stars
CompleteOrganic, confidence high
Bursts
- Aug 7, 2020 to Aug 7, 2020: about 135 more stars than usual, peak 157 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Jan 7, 2021 to Jan 8, 2021: about 108 more stars than usual, peak 112 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Jul 6, 2021 to Jul 9, 2021: about 582 more stars than usual, peak 235 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
- Sep 24, 2021 to Sep 26, 2021: about 357 more stars than usual, peak 205 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
- Jan 14, 2022 to Jan 14, 2022: about 126 more stars than usual, peak 169 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
- Jan 10, 2023 to Jan 11, 2023: about 118 more stars than usual, peak 115 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
- 4 stars GitHub has since removed (tracked since Oct 13, 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
- AGPL-3.0 (OSI-approved)
- A year ago
- AGPL-3.0 (OSI-approved)
Packages
No published packages found.
OpenSSF Scorecard: 5.3 out of 10 (via deps.dev).
Sources: GitHub: ultralytics/yolov5
Badge
Add this to a README to show the current verdict:
[](https://reporadar.ai/ultralytics/yolov5)Earlier verdicts
- Oct 14, 2026: Caution
- Oct 13, 2026: Caution
- Oct 13, 2026: Caution
Computed 17 hours ago · method 2026.10.2