Mistral Large 3 vs GPT-4o mini

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

Mistral Large 3 is clearly ahead on the aggregate, 68 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Mistral Large 3 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $0.15 input / $0.60 output per 1M tokens for GPT-4o mini. That is roughly 10.0x on output cost alone.

Quick Verdict

Pick Mistral Large 3 if you want the stronger benchmark profile. GPT-4o mini only becomes the better choice if coding is the priority or you want the cheaper token bill.

Knowledge

GPT-4o mini

Mistral Large 3

63.5

GPT-4o mini

82

76
MMLU
82
75
GPQA
-
73
SuperGPQA
-
71
OpenBookQA
-
74
MMLU-Pro
-
12
HLE
-

Coding

GPT-4o mini

Mistral Large 3

50.7

GPT-4o mini

87.2

68
HumanEval
87.2
45
SWE-bench Verified
-
39
LiveCodeBench
-

Mathematics

Mistral Large 3
76
AIME 2023
-
78
AIME 2024
-
77
AIME 2025
-
72
HMMT Feb 2023
-
74
HMMT Feb 2024
-
73
HMMT Feb 2025
-
75
BRUMO 2025
-
80
MATH-500
-

Reasoning

Mistral Large 3
73
SimpleQA
-
71
MuSR
-
81
BBH
-

Instruction Following

Mistral Large 3
83
IFEval
-

Multilingual

GPT-4o mini

Mistral Large 3

82

GPT-4o mini

87

82
MGSM
87

Frequently Asked Questions

Which is better, Mistral Large 3 or GPT-4o mini?

Mistral Large 3 is ahead overall, 68 to 43. The biggest single separator in this matchup is HumanEval, where the scores are 68 and 87.2.

Which is better for knowledge tasks, Mistral Large 3 or GPT-4o mini?

GPT-4o mini has the edge for knowledge tasks in this comparison, averaging 82 versus 63.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Mistral Large 3 or GPT-4o mini?

GPT-4o mini has the edge for coding in this comparison, averaging 87.2 versus 50.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Mistral Large 3 or GPT-4o mini?

GPT-4o mini has the edge for multilingual tasks in this comparison, averaging 87 versus 82. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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