TAU2
Measured Jul 10, 2026Source
Score
0.64
Models12 0 
Grok 4.1 Fast (Non-reasoning)
xAIxAIUnited States
A fast, multimodal model from xAI optimized for quick responses without extended reasoning. Part of the Grok 4.1 series.
FastMultimodalCoding
Input / 1M tokens
$0.00Output / 1M tokens
$0.00Output tokens/s
83.48First-token seconds
0.45sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured Jul 10, 2026Source
Score
0.14
Lcr
Measured Jul 10, 2026Source
Score
0.22
Ifbench
Measured Jul 10, 2026Source
Score
0.36
Aime 25
Measured Jul 10, 2026Source
Score
0.34
Scicode
Measured Jul 10, 2026Source
Score
0.3
Livecodebench
Measured Jul 10, 2026Source
Score
0.4
Hle
Measured Jul 10, 2026Source
Score
0.05
Gpqa
Measured Jul 10, 2026Source
Score
0.64
Mmlu Pro
Measured Jul 10, 2026Source
Score
0.74
Artificial Analysis Math Index
Measured Jul 10, 2026Source
Score
34.3
Artificial Analysis Intelligence Index
Measured Jul 10, 2026Source
Score
16.9
Plan availability
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