Side-by-Side Comparison
TauCeti vs lean4
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● TauCetiProject/TauCeti (241)
● leanprover/lean4 (9.9K)
☆ 241TauCeti stars
☆ 9.9Klean4 stars
+9.6KDifference
lean4Star Leader (40.9x)
⚖️ Comparison Verdict
Star Popularity
lean4 Leads
+9.6K stars (40.9x ratio)
Forks & Derivatives
lean4 Leads
1.1K total community forks
Recent Maintenance
lean4
Pushed 9d ago
Licensing
Apache-2.0
Both share open license
Side-by-Side Facts
| Metric | TauCetiProject/TauCeti ↗ | leanprover/lean4 ↗ |
|---|---|---|
| Description | An AIs-welcome Lean library downstream of Mathlib: AI handle the implementation and review, humans write the roadmaps and review rubrics | Lean 4 programming language and theorem prover |
| GitHub Stars | ☆ 241 | ☆ 9,854 |
| Forks | 101 | 1,086 |
| Open Issues | 616 | 1,910 |
| Main Language | Lean | Lean |
| License | Apache-2.0 | Apache-2.0 |
| Last Push | Oct 21, 2026 | Nov 3, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
Add verified GitHubRepo badges to either project's README.md to showcase star momentum.
TauCeti Badge
[](https://githubrepo.cloud/repo/TauCetiProject/TauCeti?utm_source=readme_badge)
lean4 Badge
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