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SwapGrok 4.6
xAI's Grok 4.6 is a very large hosted model for answering questions and writing text, available to developers through xAI's services.
Release page →The basics
Released
What it does
Knowledge cutoff
The latest events it learned about
Download
Where to use it
Price and limits, for developers
Input
Per million tokens
Output
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Context window
How much it takes in at once
How they score
Combined test score
Epoch Capabilities Index · Epoch AI
Too close to call: Grok 4.6 and Grok 4.5 are within the margin of error.
Chat answers, by people's votes
LMArena text, adjusted for style · LMArena
Neck and neck: in blind votes, people pick each about as often as the other.
Building apps, by people's votes
LMArena WebDev · LMArena
In blind votes, people pick Grok 4.6 over Grok 4.5 about 59% of the time.
Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.
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Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.