What is the context window of Grok 4.1?

Grok 4.1 has a context window of 2M tokens.

When was Grok 4.1 released?

Grok 4.1 was released on 2025-11-17.

Name: Grok 4.1
Author: xAI

ProprietaryMultimodal

Flagship with 65% hallucination reduction; deep reasoning with Thinking Tokens; emotional intelligence.

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Released2025-11-17

Context2M

Ethical AI for universal truth-seeking

San Francisco, California, United States

Founded 2023