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.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
Why it matters
Frames the context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → as a finite resource to be curated deliberately — what to load, when to retrieve, and what to compact — which is the main lever on 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 → reliability over long runs.
