Ray project by ray-project
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
raydistributedparallelmachine-learningreinforcement-learningdeep-learningpythonrllibhyperparameter-searchoptimizationdata-sciencehyperparameter-optimization
Verdict 77/100 health $4.13/mo cheapest, hetzner 2/5 setup difficulty 4 open CVEs Last release 15 days ago
Health score
77 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
2 /5
Docker + read README
GitHub stars
42k
7.5k forks
Health score breakdown
6-dimension composite. See methodology for formula and weights.
activity
100
maturity
85
community
88
security
85
sustainability
53
adoption
44
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 42k | github.com/ray-project/ray |
| GitHub forks | 7.5k | github.com/ray-project/ray |
| PYPI downloads (last month) | 52617k | ray |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 9.5 years | since Oct 2016 |
| Last commit | 2 days ago | May 5, 2026 |
| Releases shipped | 125 | last: 15 days ago |
| Security policy | SECURITY.md | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
16 known advisories tracked via OSV.dev.
4 currently open without a documented fix. Most recent:
GHSA-mw35-8rx3-xf9r. What people say on Hacker News
Ready to self-host Ray project?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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