langchain-ai/langchain vs tiangolo/fastapi
Both showing Healthy signals — pick on fit, not health
As of September 2026, langchain and fastapi both show healthy maintenance signals. langchain was committed to 1 week ago with 20+ active contributors, while fastapi last saw a commit 2 months ago with 5+ active contributors. Both use the MIT 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.
langchain-ai/langchain
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
- ✓20 active contributors
- ✓Distributed ownership (top contributor 32% of recent commits)
- ✓MIT 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
tiangolo/fastapi
Strong maintenance signals
dependency CVE scan unavailable
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
dependency CVE scan unavailable
- ✓In RepoPilot's curated trusted-corpus (29 projects)
- ✓Last commit today
- ✓5 active contributors
- ✓Distributed ownership (top contributor 48% of recent commits)
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard
Signal-by-signal breakdown
| langchain | fastapi | |
|---|---|---|
| Stars | 145,659 | 99,696 |
| Last commit | 12d ago | 2mo ago |
| License | MIT | MIT |
| Open issues | 447 | 100 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 60% | 100% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | C | — |
| Cycles | 0 | — |
| Bottom-line | Healthy signals | Healthy signals |
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