Grok 4

Frontier

By xAIReleased 2026-01-15256K contextUndisclosed parameters

MultimodalAPI Available

Benchmark Scores

92.4/100

MMLU93

HumanEval92.5

Math91

Reasoning93.5

Coding92

About Grok 4

Grok 4 is xAI's frontier model with real-time access to X (Twitter) data and the web. It delivers top-tier reasoning and coding performance with a distinctive unfiltered personality.

Strengths

+Real-time information access
+Strong reasoning
+Unfiltered personality
+Fast inference for its capability

Weaknesses

-Less refined safety guardrails
-Limited third-party integrations
-Newer ecosystem

Pricing

Per 1M tokens

Input$5.00

Output$15.00

Quick Facts

Context Window: 256K
Parameters: Undisclosed
Release Date: 2026-01-15
Category: Frontier

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