After exploring Spec Kit in my previous posts about spec-driven development, I decided to put OpenSpec to the test. Using the same task and starting from the same git commit, I wanted to see how these two AI-powered workflows compare in real-world usage.

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Compares OpenSpec and Spec Kit, two AI-powered development workflow tools, through hands-on testing of the same task. OpenSpec offers a simpler setup with TypeScript, generates more concise documentation (250 vs 800 lines), and provides a streamlined three-command workflow. Spec Kit provides more structured guidance with clear role separation and extensive documentation. OpenSpec suits experienced developers in small teams prioritizing speed, while Spec Kit benefits teams needing detailed guidance and formal role separation between product owners and developers.

OpenSpec vs Spec Kit: Choosing the Right AI-Driven Development Workflow for Your Team

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