Symphony turns project work into isolated, autonomous implementation runs so teams can manage work instead of supervising coding agents. OpenAI positions it as an orchestration layer for trusted engineering environments, with agents handling tasks and returning proof of work.
Features
- Isolated autonomous implementation runs for engineering tasks
- Orchestration around project boards and queued work instead of one-off prompts
- Proof-of-work outputs such as CI status, PR review feedback, complexity analysis, and walkthrough videos
- Reference implementation plus a published spec for building Symphony in other languages
- Designed for codebases that use harness-style engineering workflows
So agents can…
- Pick up project work from a shared queue and execute it in isolated runs
- Return structured evidence that a task was completed, reviewed, and safe to land
- Coordinate engineering work at the project level instead of acting as one supervised coding session at a time
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