ray-project/ray

Inference Engines

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

GitHub →Website →

8.6

GitHub Metrics

Stars

42.2k

Forks

7.4k

Open Issues

3.6k

Watchers

479

Contributors

1.5k

Weekly Commits

127

Language

Python

License

Apache-2.0

Last Commit

Apr 17, 2026

Created

Oct 25, 2016

Latest Release

ray-2.55.0

Release Date

Apr 15, 2026

Synced: Apr 17, 2026

Quality Scores

Documentation Qualityw: 20%

8.5

Has docs site (https://ray.io). Description: 128 chars. Stars signal: 42,165. Contributors: 1546. Score: 8.5/10

Community Healthw: 20%

9.0

Stars: 42,165. Contributors: 1546. Watchers: 479. Forks: 7,449. Issue ratio: 8.5%. Score: 9/10

Maintenance Velocityw: 15%

9.8

Last commit: 0d ago. Weekly commits: 127. Latest release: ray-2.55.0. Maturity bonus: 9.5y old. Score: 9.8/10

API Design & DXw: 20%

7.3

Stars/issues ratio: 12. Dynamic language: Python. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 42,165 stars. Score: 7.3/10

Production Readinessw: 15%

8.8

Battle-tested: 42,165 stars. Peer review: 1546 contributors. Versioned: ray-2.55.0. Licensed: Apache-2.0. Age: 9.5 years. Maintenance: last commit 0d ago. Score: 8.8/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 7,449. Major ecosystem: Python. Integration-friendly: Apache-2.0. Adoption: 42,165 stars. Has web presence. Score: 8.9/10