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.
model routing — Sending each request to a model chosen by the difficulty of the task, rather than using one model for everything.
Why it matters
This provides a concrete checklist of what standing up 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 → web infrastructure actually entails beyond launching Chromium, including warm pools for cold starts, tenant isolation, proxy identity, per-run replay, and model routingSending each request to a model chosen by the difficulty of the task, rather than using one model for everything.Full definition →, so build-versus-buy decisions can be argued on specifics.
