Grok 4 Fast

Grok 4 Fast is a high-speed variant of Grok-4, optimized for faster inference while maintaining strong reasoning capabilities. It offers improved throughput and lower latency compared to the standard Grok-4 model.

Benchmark results

Benchmark Score Tags Source
AIME 2025 92.0% self-reported llm-stats link →
BrowseComp 44.9% self-reported llm-stats link →
GPQA 85.7% self-reported llm-stats link →
HLE 20.0% self-reported llm-stats link →
HMMT 2025 93.3% self-reported llm-stats link →
Humanity's Last Exam 20.0% self-reported llm-stats link →
LiveCodeBench 80.0% self-reported llm-stats link →
SimpleQA 95.0% self-reported llm-stats link →