Grok 4 Fast (Non-Reasoning)

Release Date: 9/19/2025

Accuracy (Average)

50.99%

Latency (Average)

47.18s

Avg. Cost (In/Out)

0.2 / 0.5

Context Window

2M

Max Output Tokens

2M

Input Modality

Hyperparameter settings
Default Provider : xAI

Temperature

0.7

Top P

0.95

Top K

Default

Max Output Tokens

2,000,000

Benchmarks

Accuracy

Rankings

0.0%

± 0.97
58/ 104

0.0%

± 1.97
51/ 56

0.0%

± 1.87
20/ 56

0.0%

± 0.87
71/ 73

0.0%

± 2.43
53/ 54

0.0%

± 0.78
49/ 110

0.0%

± 1.07
72/ 96

0.0%

± 2.43
78/ 104

0.0%

± 2.85
42/ 53

0.0%

± 1.15
87/ 109

0.0%

± 0.47
66/ 107

0.0%

± 0.39
80/ 95

0.0%

± 0.43
87/ 103

0.0%

± 1.16
58/ 70
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