Ministral 3 14B (Reasoning) vs Claude 3 Opus

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

Ministral 3 14B (Reasoning) is clearly ahead on the aggregate, 60 to 51. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Ministral 3 14B (Reasoning)'s sharpest advantage is in coding, where it averages 35 against 19. The single biggest benchmark swing on the page is SWE-bench Verified, 39 to 10.

Ministral 3 14B (Reasoning) is the reasoning model in the pair, while Claude 3 Opus 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. Claude 3 Opus gives you the larger context window at 200K, compared with 128K for Ministral 3 14B (Reasoning).

Quick Verdict

Pick Ministral 3 14B (Reasoning) if you want the stronger benchmark profile. Claude 3 Opus only becomes the better choice if you need the larger 200K context window or you would rather avoid the extra latency and token burn of a reasoning model.

Agentic

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

58.5

Claude 3 Opus

48.1

60
Terminal-Bench 2.0
44
61
BrowseComp
56
55
OSWorld-Verified
47

Coding

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

35

Claude 3 Opus

19

62
HumanEval
53
39
SWE-bench Verified
10
33
LiveCodeBench
20
36
SWE-bench Pro
20

Multimodal & Grounded

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

71.5

Claude 3 Opus

70.3

71
MMMU-Pro
73
72
OfficeQA Pro
67

Reasoning

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

69.2

Claude 3 Opus

61.6

70
SimpleQA
59
70
MuSR
57
80
BBH
74
66
LongBench v2
62
66
MRCRv2
63

Knowledge

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

52.1

Claude 3 Opus

45

71
MMLU
61
70
GPQA
61
68
SuperGPQA
59
66
OpenBookQA
57
69
MMLU-Pro
62
7
HLE
1
62
FrontierScience
56

Instruction Following

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

81

Claude 3 Opus

77

81
IFEval
77

Multilingual

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

77.8

Claude 3 Opus

69.8

81
MGSM
73
76
MMLU-ProX
68

Mathematics

Ministral 3 14B (Reasoning)

Ministral 3 14B (Reasoning)

75.2

Claude 3 Opus

65.9

73
AIME 2023
61
75
AIME 2024
63
74
AIME 2025
62
69
HMMT Feb 2023
57
71
HMMT Feb 2024
59
70
HMMT Feb 2025
58
72
BRUMO 2025
60
79
MATH-500
73

Frequently Asked Questions

Which is better, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) is ahead overall, 60 to 51. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 39 and 10.

Which is better for knowledge tasks, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for knowledge tasks in this comparison, averaging 52.1 versus 45. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for coding in this comparison, averaging 35 versus 19. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for math in this comparison, averaging 75.2 versus 65.9. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for reasoning in this comparison, averaging 69.2 versus 61.6. Inside this category, MuSR is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for agentic tasks in this comparison, averaging 58.5 versus 48.1. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for multimodal and grounded tasks in this comparison, averaging 71.5 versus 70.3. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for instruction following in this comparison, averaging 81 versus 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Ministral 3 14B (Reasoning) or Claude 3 Opus?

Ministral 3 14B (Reasoning) has the edge for multilingual tasks in this comparison, averaging 77.8 versus 69.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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