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Project comparison
Openspec vs spec-kit
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Openspec
Spec-driven development (SDD) for AI coding assistants.
Best matched with other framework tools.
62.1K
Stars
+15.1K
Weekly
76/100
Health
spec-kit
💫 Toolkit to help you get started with Spec-Driven Development
Best matched with other framework tools.
123.3K
Stars
+27.3K
Weekly
100/100
Health
Quick Take
Adoption
spec-kit has the larger GitHub footprint with 123.3K stars.
Momentum
spec-kit is currently growing faster at +27.3K stars this week.
Maintenance
spec-kit has the stronger automated maintenance signal at 100/100. This is not a security or fit verdict.
Side-by-side evidence
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Openspec | spec-kit |
|---|---|---|
| Evidence status | Basic listing· 2d ago | Recently verified· 2d ago |
| GitHub stars | 62.1K | 123.3K |
| Weekly growth | +15.1K | +27.3K |
| Health score | Healthy76/100 |
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