Trajectory

Also written: trajectories

The full record of what an agent did on a task: every message, tool call and result, in order.

Other terms from the same lesson

• pass^k: The chance an agent succeeds on all k tries at the same task: a test of reliability, where pass@k tests whether it can succeed at all.
• sandbox: A sealed-off test environment where an agent can take real actions without touching real systems or data.