Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
💫 Toolkit to help you get started with SDD or any other process!
Best matched with other framework tools.
spec-kit has the larger GitHub footprint with 140.0K stars.
spec-kit is currently growing faster at +27.3K stars this week.
spec-kit has the stronger automated maintenance signal at 95/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Google Research | spec-kit |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:17 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 38.4K | 140.0K |
| Weekly growth | +526 | +27.3K |
| Health score | Healthy60/100 | Strong95/100 |
| Contributors | 880 | 255 |
| Commits per week | 7.8 | 51.7 |
| Open issues | 2.0K | 297 |
| Language | Jupyter Notebook | Python |
| License | Apache-2.0 | MIT |
| Last commit | 2026-07-22 14:12 UTC | 2026-10-03 16:48 UTC |
| Last release | N/A | v0.13.4 |
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