Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.4 Pro is clearly ahead on the aggregate, 94 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 Pro's sharpest advantage is in coding, where it averages 89 against 16.3. The single biggest benchmark swing on the page is HumanEval, 95 to 21.
GPT-5.4 Pro is the reasoning model in the pair, while Mistral 8x7B v0.2 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 32K for Mistral 8x7B v0.2.
Pick GPT-5.4 Pro if you want the stronger benchmark profile. Mistral 8x7B v0.2 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
GPT-5.4 Pro
88.8
Mistral 8x7B v0.2
27
GPT-5.4 Pro
89
Mistral 8x7B v0.2
16.3
GPT-5.4 Pro
98
Mistral 8x7B v0.2
31.9
GPT-5.4 Pro
96.7
Mistral 8x7B v0.2
38
GPT-5.4 Pro
97
Mistral 8x7B v0.2
67
GPT-5.4 Pro
97
Mistral 8x7B v0.2
62
GPT-5.4 Pro is ahead overall, 94 to 33. The biggest single separator in this matchup is HumanEval, where the scores are 95 and 21.
GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 88.8 versus 27. Inside this category, GPQA is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for coding in this comparison, averaging 89 versus 16.3. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for math in this comparison, averaging 98 versus 31.9. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for reasoning in this comparison, averaging 96.7 versus 38. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for instruction following in this comparison, averaging 97 versus 67. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for multilingual tasks in this comparison, averaging 97 versus 62. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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