Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.
Best matched with other platform tools.
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
Best matched with other platform tools.
Ray has the larger GitHub footprint with 42.5K stars.
Marimo is currently growing faster at +1.0K stars this week.
Marimo has the stronger automated maintenance signal at 90/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Marimo | Ray |
|---|---|---|
| Evidence status | Basic listing· 2d ago | Basic listing· 2d ago |
| GitHub stars | 21.9K | 42.5K |
| Weekly growth | +1.0K | +72 |
| Health score | Strong90/100 |
Get the fastest-growing projects, useful MCP servers, and technical reads in one weekly email.
| Contributors | 323 | 1.6K |
|---|
| Commits per week | 37.8 | 87.6 |
|---|
| Open issues | 600 | 3.5K |
|---|
| Language | Python | Python |
|---|
| License | Apache-2.0 | Apache-2.0 |
|---|
| Last commit | 2d ago | 2mo ago |
|---|
| Last release | 0.23.14 | ray-2.55.1 |
|---|