context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
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.
Why it matters
An MIT-licensed open model landing within a few points of Opus 4.8 on Terminal-Bench 2.1 while holding a usable 1M context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → through 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 → trajectories — a genuine self-hosting option for coding agents.
