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 →

8.4

GitHub Metrics

Stars

43.0k

Forks

7.7k

Open Issues

3.5k

Watchers

483

Contributors

1.6k

Weekly Commits

Language

Python

License

Apache-2.0

Last Commit

Jun 28, 2026

Created

Oct 25, 2016

Latest Release

ray-2.55.1

Release Date

Apr 22, 2026

Synced: Jun 29, 2026

Quality Scores

Documentation Qualityw: 20%

8.5

Has docs site (https://ray.io). Description: 128 chars. Stars signal: 43,043. Contributors: 1632. Score: 8.5/10

Community Healthw: 20%

9.0

Stars: 43,043. Contributors: 1632. Watchers: 483. Forks: 7,743. Issue ratio: 8.1%. Score: 9/10

Maintenance Velocityw: 15%

8.1

Last commit: 0d ago. Weekly commits: 1. Latest release: ray-2.55.1. Maturity bonus: 9.7y old. Score: 8.1/10

API Design & DXw: 20%

7.3

Stars/issues ratio: 12. Dynamic language: Python. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 43,043 stars. Score: 7.3/10

Production Readinessw: 15%

8.8

Battle-tested: 43,043 stars. Peer review: 1632 contributors. Versioned: ray-2.55.1. Licensed: Apache-2.0. Age: 9.7 years. Maintenance: last commit 0d ago. Score: 8.8/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 7,743. Major ecosystem: Python. Integration-friendly: Apache-2.0. Adoption: 43,043 stars. Has web presence. Score: 8.9/10