FastContext-1.0-4B-RL

Name: FastContext-1.0-4B-RL
Rating: 45.2 (57 reviews)
Author: Microsoft

#1146Large Language ModelsOpen Weights

Microsoft

FastContext-1.0-4B-RL is a open-weight Microsoft llm model with a 1,010,000 token context window.

Running this yourself: consumer gpu should be enough.

Model updates refreshed5d agoJun 17, 2026news + changelog

45.2

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Parameters

Context

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