Prompt cache lifetimes affect cost and latency for long AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → sessions, and delegation controls change how agents hand off work. Python users on the Responses API also get namespace-resolution fixes.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
