Claude 3.5 Sonnet vs Mixtral 8x22B Instruct v0.1

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

Claude 3.5 Sonnet is clearly ahead on the aggregate, 62 to 28. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 3.5 Sonnet gives you the larger context window at 200K, compared with 64K for Mixtral 8x22B Instruct v0.1.

Quick Verdict

Pick Claude 3.5 Sonnet if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if knowledge is the priority.

Knowledge

Mixtral 8x22B Instruct v0.1

Claude 3.5 Sonnet

55.5

Mixtral 8x22B Instruct v0.1

71.4

65
MMLU
71.4
65
GPQA
-
63
SuperGPQA
-
61
OpenBookQA
-
74
MMLU-Pro
-
5
HLE
-

Coding

Mixtral 8x22B Instruct v0.1

Claude 3.5 Sonnet

44

Mixtral 8x22B Instruct v0.1

54.8

57
HumanEval
54.8
36
SWE-bench Verified
-
39
LiveCodeBench
-

Mathematics

Claude 3.5 Sonnet
65
AIME 2023
-
67
AIME 2024
-
66
AIME 2025
-
61
HMMT Feb 2023
-
63
HMMT Feb 2024
-
62
HMMT Feb 2025
-
64
BRUMO 2025
-
80
MATH-500
-

Reasoning

Claude 3.5 Sonnet
63
SimpleQA
-
61
MuSR
-
83
BBH
-

Instruction Following

Claude 3.5 Sonnet
83
IFEval
-

Multilingual

Claude 3.5 Sonnet
85
MGSM
-

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Mixtral 8x22B Instruct v0.1?

Claude 3.5 Sonnet is ahead overall, 62 to 28. The biggest single separator in this matchup is MMLU, where the scores are 65 and 71.4.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Mixtral 8x22B Instruct v0.1?

Mixtral 8x22B Instruct v0.1 has the edge for knowledge tasks in this comparison, averaging 71.4 versus 55.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3.5 Sonnet or Mixtral 8x22B Instruct v0.1?

Mixtral 8x22B Instruct v0.1 has the edge for coding in this comparison, averaging 54.8 versus 44. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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