AI Engineer Programming

Apr 11, 2026 · Artificial Intelligence

Spec-Driven Development: A Comparative Look at Spec Kit, OpenSpec, and GSD

The article examines Spec‑Driven Development (SDD) for AI‑assisted coding, outlining its core philosophy and comparing three frameworks—GitHub’s heavyweight Spec Kit, the lightweight OpenSpec, and the performance‑focused GSD—while offering guidance on when each tool best fits different development scenarios.