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openai/symphony

Official

Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.

15,254 stars1,293 forksElixirUpdated April 2026

Best for

Developer
✅ Reviewed by My AI Guide — vetted for vibe builders

Our Review

  • Automates full task lifecycle with proof of work.
  • Shifts focus from supervising agents to managing work.
  • Spec-based for custom implementations.

Cons

  • Experimental preview, not production-ready.
  • Best for harness engineering codebases.
  • Elixir setup or agent-assisted build required.

Our Verdict

Promising for teams evolving agent workflows in trusted environments.

Frequently Asked Questions

What is symphony?

Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.

How do I install symphony?

Visit the GitHub repository at https://github.com/openai/symphony for installation instructions.

What license does symphony use?

symphony uses the Apache-2.0 license.

What are alternatives to symphony?

Search My AI Guide for similar tools in this category.

Great for: Pro Vibe Builders

Skip if: You need something more beginner-friendly or guided

🔒

Open source & community-verified

Apache-2.0 licensed — free to use in any project, no strings attached. 15,254 developers have starred this, meaning the community has reviewed and trusted it.

Reviewed by My AI Guide for relevance, quality, and active maintenance before listing.