Which model tops the largest-context-window list right now?
Grok 4.20 Multi-Agent (xAI), as of 11 August 2026, with a 2M-token context window and ModelCap Index position #11.
Context window ranking
LLMs with the largest context windows
Ranked language models ordered by the largest published context window, with the ModelCap Index position, price and weight access beside each so a long context never hides a weak model.
Snapshot as of 11 August 2026
Grok 4.20 Multi-Agent from xAI leads the largest-context-window list as of 11 August 2026 with a 2M-token context window, holding ModelCap Index position #11; 175 models qualify.
Models on this list
175
With openly downloadable weights
33
With a listed API price
98
LLMs with the largest context windows (top 100 of 175)
Every row is a current, canonical language model with a public position on the ModelCap Index; the list filters by a published fact and orders by a published figure.
LLMs with the largest context windows: common questions
How is the largest-context-window list built?
It contains current, canonical language models with a public ModelCap Index position, ordered by published context window (ties broken by Index rank). Nothing is estimated for the list itself: the filter is a published fact and the order is a published figure, and every row links to the model page that shows its evidence.
How many models qualify for the largest-context-window list?
175 models qualify; the page shows the first 100. The population is the live ModelCap Index, so a model appears here the moment it holds a public position and meets the filter.
Which model on this list ranks highest on the ModelCap Index?
Claude Fable 5 holds ModelCap Index position #1, the highest of any model in the list, and sits at #22 here by context.
What is the cheapest model on the largest-context-window list?
Ling-3.0-flash lists the lowest blended API price at $0.032 per 1M tokens ($0.021 input / $0.063 output).
Which is the best open-weight model on this list?
LongCat 2.0 from Meituan is the highest-placed model with openly downloadable weights (#8 here, ModelCap Index #49).
How current is the largest-context-window list?
It is rendered from the sealed dataset published 11 August 2026 and re-renders within a minute of each refresh; positions, prices and context figures are the ones shown on the live rankings at the same instant.