benchlm.ai

Claude Sonnet 4.5 vs Mistral Large 3

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

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 61 (13 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Claude Sonnet 4.5

CreatorAnthropic
TypeProprietary
Context1M
Score74

Mistral Large 3

CreatorMistral
TypeOpen Weight
Context128K
Score61

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

Mistral Large 3

73.8

95
MMLU
76
93
GPQA
75
91
SuperGPQA
73
89
OpenBookQA
71

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

Mistral Large 3

68

87
HumanEval
68

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

Mistral Large 3

75

97
AIME 2023
76
99
AIME 2024
78
98
AIME 2025
77
93
HMMT Feb 2023
72
95
HMMT Feb 2024
74
94
HMMT Feb 2025
73
96
BRUMO 2025
75

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

Mistral Large 3

72

91
SimpleQA
73
89
MuSR
71

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or Mistral Large 3?

Claude Sonnet 4.5 scores higher overall with 74 vs 61, a difference of 13 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or Mistral Large 3?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 73.8.

Which is better for coding, Claude Sonnet 4.5 or Mistral Large 3?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 68.

Which is better for math, Claude Sonnet 4.5 or Mistral Large 3?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 75.

Which is better for reasoning, Claude Sonnet 4.5 or Mistral Large 3?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 72.

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