Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Grok 4.1 Fast is clearly ahead on the aggregate, 83 to 35. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.1 Fast's sharpest advantage is in mathematics, where it averages 94.3 against 23.1. The single biggest benchmark swing on the page is AIME 2024, 98 to 23.1.
Pick Grok 4.1 Fast if you want the stronger benchmark profile. GPT-4.1 mini only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Grok 4.1 Fast
77.5
GPT-4.1 mini
75.9
Grok 4.1 Fast
69.3
GPT-4.1 mini
23.6
Grok 4.1 Fast
94.3
GPT-4.1 mini
23.1
Grok 4.1 Fast
90
GPT-4.1 mini
88.5
Grok 4.1 Fast is ahead overall, 83 to 35. The biggest single separator in this matchup is AIME 2024, where the scores are 98 and 23.1.
Grok 4.1 Fast has the edge for knowledge tasks in this comparison, averaging 77.5 versus 75.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Grok 4.1 Fast has the edge for coding in this comparison, averaging 69.3 versus 23.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Grok 4.1 Fast has the edge for math in this comparison, averaging 94.3 versus 23.1. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
Grok 4.1 Fast has the edge for instruction following in this comparison, averaging 90 versus 88.5. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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