Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
DeepSeek V3.1 (Reasoning) is clearly ahead on the aggregate, 37 to 28. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
DeepSeek V3.1 (Reasoning) is the reasoning model in the pair, while Mixtral 8x22B Instruct v0.1 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. DeepSeek V3.1 (Reasoning) gives you the larger context window at 128K, compared with 64K for Mixtral 8x22B Instruct v0.1.
Pick DeepSeek V3.1 (Reasoning) if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
DeepSeek V3.1 (Reasoning)
31.7
Mixtral 8x22B Instruct v0.1
71.4
DeepSeek V3.1 (Reasoning)
18.7
Mixtral 8x22B Instruct v0.1
54.8
DeepSeek V3.1 (Reasoning) is ahead overall, 37 to 28. The biggest single separator in this matchup is MMLU, where the scores are 34 and 71.4.
Mixtral 8x22B Instruct v0.1 has the edge for knowledge tasks in this comparison, averaging 71.4 versus 31.7. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Mixtral 8x22B Instruct v0.1 has the edge for coding in this comparison, averaging 54.8 versus 18.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
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