Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Grok 4.1 Fast is clearly ahead on the aggregate, 83 to 28. 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 coding, where it averages 69.3 against 54.8. The single biggest benchmark swing on the page is HumanEval, 86 to 54.8.
Grok 4.1 Fast gives you the larger context window at 1M, compared with 64K for Mixtral 8x22B Instruct v0.1.
Pick Grok 4.1 Fast if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Grok 4.1 Fast
77.5
Mixtral 8x22B Instruct v0.1
71.4
Grok 4.1 Fast
69.3
Mixtral 8x22B Instruct v0.1
54.8
Grok 4.1 Fast is ahead overall, 83 to 28. The biggest single separator in this matchup is HumanEval, where the scores are 86 and 54.8.
Grok 4.1 Fast has the edge for knowledge tasks in this comparison, averaging 77.5 versus 71.4. Inside this category, MMLU 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 54.8. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
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