xAI · Grok

Grok 4

Current · Released: July 15, 2025

Context window
256.000 tokens
Max output
32.768 tokens
Price input / 1M tokens
$3.00
Price output / 1M tokens
$15.00

Capabilities

  • Thinking
  • Tool use
  • Real-time search

Benchmark scores

MMMU
75.0
MMLU-Pro
87.0
AIME 2024
94.0
GPQA Diamond
87.5
Humanity's Last Exam
25.4

What do these benchmarks mean? →

Notes

Reasoning-heavy model with built-in X/Twitter search. Source: openrouter.ai.