Model record

Grok 4.1 Fast

xAI · released Nov 19, 2025

Overall standing

Overall
42.4rank 46 of 62
42.4 is at approximately the 27th percentile of the ranked Overall field. The field spans 19.0 to 62.2, with a median of 48.9.
6 of 8 measured · 2 estimated
Category standingsReasoning 55.9Coding —Math 2.9Agentic —
Reasoning
55.9rank 47 of 62
55.9 is at approximately the 25th percentile of the ranked Reasoning field. The field spans 31.6 to 73.3, with a median of 64.8.
4 of 4 measured
Coding
Insufficient data
1 of 2 measured
Math
2.9rank 39 of 62
2.9 is at approximately the 36th percentile of the ranked Math field. The field spans 0.0 to 32.3, with a median of 5.3.
1 of 1 measured
Agentic
Insufficient data
0 of 1 measured
Model factsClosed weights · Price not listed

Copied from the linked provider page; no separate retrieval date is stored.

Provider
xAI
Released
Weights
Closed weights
Context window
2,000,000 tokens
Input price / Mtok
Not listed
Output price / Mtok
Not listed
Reasoning effort
Not listed

Scores and sources

Measured scores retain their source and retrieval date. Missing scores are not treated as zero.

Benchmark scores, evaluation settings, sources, and retrieval dates for Grok 4.1 Fast
BenchmarkCategoryScoreEvaluation settingsSource
Terminal-Bench v2.1Coding—Not measured in this datasetNo source
τ³-BankingAgentic—Not measured in this datasetNo source
AA-LCRReasoning68.0Artificial Analysis independent run; 100 roughly 100k-token multi-document questions; 3 repeats; equality-checker pass@1; no toolsOpen source (opens in a new tab)
Humanity's Last ExamReasoning17.6Artificial Analysis independent run; 2,158 text-only questions; pass@1; GPT-4o (August 2024) equality checker; no toolsOpen source (opens in a new tab)
GPQA DiamondReasoning85.3Artificial Analysis independent run; 198 questions; 5 repeats; regex-graded pass@1; no toolsOpen source (opens in a new tab)
SciCodeCoding44.2Artificial Analysis independent run; 288 test subproblems; scientist background included; 3 repeats; subproblem pass@1Open source (opens in a new tab)
IFBenchReasoning52.7Artificial Analysis independent run; 294 single-turn prompts; 5 repeats; official loose evaluator; prompt-level pass@1Open source (opens in a new tab)
CritPtMath2.9Artificial Analysis independent run; 70 test challenges; 5 repeats; two-step answer parsing; official CritPt grader; pass@1; no toolsOpen source (opens in a new tab)