Audience
Developers, product teams, and organizations using AI coding assistants who want a structured, spec-driven approach to improve clarity, collaboration, and development outcomes
About OpenSpec
OpenSpec is an open-source spec-driven development framework designed to bring structure and clarity to AI-assisted coding workflows. It introduces a lightweight specification layer that helps teams define requirements before writing code. The platform organizes each change into structured artifacts such as proposals, specifications, designs, and task lists. It integrates with over 20 AI coding tools, allowing developers to use their preferred assistants while maintaining consistency. OpenSpec emphasizes an iterative and flexible approach rather than rigid development phases. Its command-based workflow enables users to propose, implement, and archive features efficiently. Overall, OpenSpec helps developers align with AI systems, reduce ambiguity, and produce more predictable and reliable outcomes.
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Pricing
Starting Price:
Free
Pricing Details:
Open source
Free Version:
Free Version available.
Integrations
Company Information
Fission AI
openspec.dev/
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Product Details
Platforms Supported
Windows
Mac
Linux
On-Premises
Training
Documentation
OpenSpec Frequently Asked Questions
Q: What kinds of users and organization types does OpenSpec work with?
OpenSpec works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does OpenSpec support in their product?
OpenSpec supports these languages: English.
Q: What other applications or services does OpenSpec integrate with?
OpenSpec integrates with: Amazon Q Developer, ArchGenerator, Auggie CLI, Claude Code, Cline, Codebuddy, Devin Desktop, CoStrict, Crush, Cursor, Factory, Gemini CLI, GitHub Copilot, Google Antigravity, Kilo Code, OpenAI Codex, OpenCode, Qoder, Qwen Code, and Roo Code.
Q: What type of training does OpenSpec provide?
OpenSpec provides training in the form of documentation.
Q: How much does OpenSpec cost?
Pricing for OpenSpec starts at Free.
