structured output — Forcing a model's response to match a schema, so downstream code can parse it instead of guessing at prose.
multimodal — A model that works with more than text — reading images, audio, or video, and sometimes generating them too.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
grounding — Tying a model's answers to checkable sources — retrieved documents, live data, tool results — instead of letting it answer from memory alone.
Why it matters
Interleaved image, video and audio input in one 21B model at 128K context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition →, with video length up from 1 minute to 3-5 and structured-output support, enough to build video retrieval and segment-summarisation flows on.
