Gemini 3 Pro Deep Think vs Mixtral 8x22B Instruct v0.1

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Gemini 3 Pro Deep Think is clearly ahead on the aggregate, 85 to 28. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3 Pro Deep Think's sharpest advantage is in coding, where it averages 69 against 54.8. The single biggest benchmark swing on the page is HumanEval, 91 to 54.8.

Gemini 3 Pro Deep Think 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. Gemini 3 Pro Deep Think gives you the larger context window at 2M, compared with 64K for Mixtral 8x22B Instruct v0.1.

Quick Verdict

Pick Gemini 3 Pro Deep Think if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.

Knowledge

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

82.8

Mixtral 8x22B Instruct v0.1

71.4

99
MMLU
71.4
97
GPQA
-
95
SuperGPQA
-
93
OpenBookQA
-
81
MMLU-Pro
-
32
HLE
-

Coding

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

69

Mixtral 8x22B Instruct v0.1

54.8

91
HumanEval
54.8
58
SWE-bench Verified
-
58
LiveCodeBench
-

Mathematics

Gemini 3 Pro Deep Think
99
AIME 2023
-
99
AIME 2024
-
98
AIME 2025
-
95
HMMT Feb 2023
-
97
HMMT Feb 2024
-
96
HMMT Feb 2025
-
96
BRUMO 2025
-
92
MATH-500
-

Reasoning

Gemini 3 Pro Deep Think
95
SimpleQA
-
93
MuSR
-
95
BBH
-

Instruction Following

Gemini 3 Pro Deep Think
89
IFEval
-

Multilingual

Gemini 3 Pro Deep Think
92
MGSM
-

Frequently Asked Questions

Which is better, Gemini 3 Pro Deep Think or Mixtral 8x22B Instruct v0.1?

Gemini 3 Pro Deep Think is ahead overall, 85 to 28. The biggest single separator in this matchup is HumanEval, where the scores are 91 and 54.8.

Which is better for knowledge tasks, Gemini 3 Pro Deep Think or Mixtral 8x22B Instruct v0.1?

Gemini 3 Pro Deep Think has the edge for knowledge tasks in this comparison, averaging 82.8 versus 71.4. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Gemini 3 Pro Deep Think or Mixtral 8x22B Instruct v0.1?

Gemini 3 Pro Deep Think has the edge for coding in this comparison, averaging 69 versus 54.8. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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