Agent Lightning

Microsoft's training-oriented harness: optimization loops for agent behavior—when you need to improve policies over rollouts, not only score a fixed prompt.

Stars

17.3k

Adoption surface

complex

Autonomy

headless

Recovery

resumable

License

✅ open-source

Category

Evaluation and benchmarking harnesses

Repository ↗ Example: APO room-booking example ↗

Related in Evaluation and benchmarking harnesses

• SWE-bench
• AgentBench
• inspect_ai
• WebArena
• WebVoyager
• ARC-AGI-2