biomejs/biome vs openai/codex
Both showing Healthy signals — pick on fit, not health
As of September 2026, biome and codex both show healthy maintenance signals. biome was committed to 2 weeks ago with 23+ active contributors, while codex was committed to 1 day ago with 37+ active contributors. Both use the Apache-2.0 license. Neither has known critical or high-severity CVEs in its dependency tree.
Informational only. RepoPilot summarises public signals at the time of analysis. Not professional, security, or legal advice.
biomejs/biome
Healthy across all four use cases
No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
No blocking repository-level signals were found; deployment review is still required.
- ✓Used by 1 trusted project: vercel/turbo
- ✓Last commit today
- ✓23+ active contributors
- ✓Distributed ownership (top contributor 27% of recent commits)
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard
openai/codex
Healthy across all four use cases
No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
No blocking repository-level signals were found; deployment review is still required.
- ✓Last commit today
- ✓37+ active contributors
- ✓Distributed ownership (top contributor 20% of recent commits)
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard
Signal-by-signal breakdown
| biome | codex | |
|---|---|---|
| Stars | 25,691 | 123,888 |
| Last commit | 14d ago | 1d ago |
| License | Apache-2.0 | Apache-2.0 |
| Open issues | 503 | 17,013 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 100% | 22% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | A |
| Cycles | — | 0 |
| Bottom-line | Healthy signals | Healthy signals |
Want the full analysis? biomejs/biome · openai/codex
Ask AI about biomejs/biome vs openai/codex
Open the chat with a comparison question pre-filled.