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GPT-4.1 Mini vs Grok 4.1 Fast

Head to head on 14 shared benchmarks, with price, context window, and release dates.

Benchmark scores

157

evals · sort by any column, ⤢ to expand fullscreen

Model
Grok 4.1 Fast

xAI

34.3%66.0%1324elo63.7%11.85.1%36.5%39.9%74.3%42.6%29.6%73.1%14.4%63.7%--62.0%-------------------------------------40.1---------------------35.0%-80.2%----64.7%69.6%52.2%28.2%74.3%83.7%80.2%-------60.8%---28.1%100.0%-78.7%---------------4.0%-----31.3%------------------------1.2%-----51.0%
GPT-4.1 Mini

OpenAI

46.3%57.9%1144elo66.4%3.475.0%38.3%48.3%78.1%65.5%40.4%71.9%7.6%52.9%-0.1760.0%-100.0%0.0%332.4%43.0%98.2%0.0%28.2%-11.0762.3%89.9%10083.620.790.0%-0.040.0%0.0%1.111.111.01204.540.0%41.7%1.4534.5%13.0%53.6%3.6%17.4%3.3%9.0%80.0%80.0%83.4%48.6%-43.3%100.0%58.2%52.9%0.0%4.5%1.5%18.7%50.0%65.0%56.8%0.0%100.0%3.471.55100.0%63.3%0.0%0.0%67.5%40.2%-83.5%-6.7%62.4%43.8%26.7%-------45.4%80.0%0.35100.0%93.3%100.0%92.5%-2.610.0%100.0%--77.9%-50.0%64.0%64.0%20.0%26.7%54.5%20.0%20.0%30.0%19.5%96.5%52.0%30.0%30.0%-60.0%0.0%46.8%93.0%40.6%-100.0%88.2%100.0%20.0%33.3%100.0%73.3%100.0%1.1456.72010.0%23.9%100.0%100.0%0.0%100.0%37.6%1.04100.0%100.0%45.6%93.3%100.0%-29.0%90.0%29.0%82.0%82.0%50.8%
2 / 2 models
AttributeGPT-4.1 Mini

OpenAI

Grok 4.1 Fast

xAI

DescriptionGPT-4.1 Mini is an AI model from OpenAI.Grok 4.1 Fast is an AI model from xAI.
FamilyGPTGrok
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released14 Apr 202519 Nov 2025
Context1,047,576-
Input $/1M$0.40-
Output $/1M$1.60-
Cache read $/1M$0.100-
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesimage, text, filetext
Providers--
PublisherOpenAIxAI
Reported scores
Infraresolutionbench80.2% (150 samples)
Agent Diff Bench62.0% (179 samples)
Medpt100.0% (15 samples)
Hanabi11.8 (15 samples)
SciCode29.6% (AA)

FAQ

Is GPT-4.1 Mini or Grok 4.1 Fast better?
Across the 14 benchmarks both models report on Sophon, GPT-4.1 Mini and Grok 4.1 Fast are level, winning 7 each. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4.1 Mini and Grok 4.1 Fast compare on GPQA Diamond?
GPT-4.1 Mini scores 66.4% and Grok 4.1 Fast scores 63.7% on GPQA Diamond.
When were GPT-4.1 Mini and Grok 4.1 Fast released?
GPT-4.1 Mini was released 14 Apr 2025 by OpenAI. Grok 4.1 Fast was released 19 Nov 2025 by xAI.

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