Claude Opus 4.5 vs Mistral 8x7B

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 52 (27 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

Mistral 8x7B

62.8

99
MMLU
65
97
GPQA
64
95
SuperGPQA
62
93
OpenBookQA
60

Coding

Claude Opus 4.5

Claude Opus 4.5

91

Mistral 8x7B

55

91
HumanEval
55

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

Mistral 8x7B

64

99
AIME 2023
65
99
AIME 2024
67
98
AIME 2025
66
95
HMMT Feb 2023
61
97
HMMT Feb 2024
63
96
HMMT Feb 2025
62
96
BRUMO 2025
64

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

Mistral 8x7B

62

95
SimpleQA
63
93
MuSR
61

Frequently Asked Questions

Which is better, Claude Opus 4.5 or Mistral 8x7B?

Claude Opus 4.5 scores higher overall with 79 vs 52, a difference of 27 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or Mistral 8x7B?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 62.8.

Which is better for coding, Claude Opus 4.5 or Mistral 8x7B?

Claude Opus 4.5 leads in coding with an average score of 91 vs 55.

Which is better for math, Claude Opus 4.5 or Mistral 8x7B?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 64.

Which is better for reasoning, Claude Opus 4.5 or Mistral 8x7B?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 62.