Ministral 3 14B vs Claude 3 Opus

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

Ministral 3 14B is clearly ahead on the aggregate, 55 to 51. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Ministral 3 14B's sharpest advantage is in coding, where it averages 33 against 19. The single biggest benchmark swing on the page is SWE-bench Verified, 37 to 10.

Claude 3 Opus gives you the larger context window at 200K, compared with 128K for Ministral 3 14B.

Quick Verdict

Pick Ministral 3 14B if you want the stronger benchmark profile. Claude 3 Opus only becomes the better choice if you need the larger 200K context window.

Agentic

Ministral 3 14B

Ministral 3 14B

48.4

Claude 3 Opus

48.1

48
Terminal-Bench 2.0
44
55
BrowseComp
56
44
OSWorld-Verified
47

Coding

Ministral 3 14B

Ministral 3 14B

33

Claude 3 Opus

19

58
HumanEval
53
37
SWE-bench Verified
10
31
LiveCodeBench
20
34
SWE-bench Pro
20

Multimodal & Grounded

Ministral 3 14B

Ministral 3 14B

70.5

Claude 3 Opus

70.3

70
MMMU-Pro
73
71
OfficeQA Pro
67

Reasoning

Ministral 3 14B

Ministral 3 14B

63.6

Claude 3 Opus

61.6

66
SimpleQA
59
64
MuSR
57
74
BBH
74
60
LongBench v2
62
60
MRCRv2
63

Knowledge

Ministral 3 14B

Ministral 3 14B

50.1

Claude 3 Opus

45

69
MMLU
61
68
GPQA
61
66
SuperGPQA
59
64
OpenBookQA
57
67
MMLU-Pro
62
5
HLE
1
60
FrontierScience
56

Instruction Following

Ministral 3 14B

Ministral 3 14B

80

Claude 3 Opus

77

80
IFEval
77

Multilingual

Ministral 3 14B

Ministral 3 14B

76.8

Claude 3 Opus

69.8

80
MGSM
73
75
MMLU-ProX
68

Mathematics

Ministral 3 14B

Ministral 3 14B

69.7

Claude 3 Opus

65.9

68
AIME 2023
61
70
AIME 2024
63
72
AIME 2025
62
64
HMMT Feb 2023
57
66
HMMT Feb 2024
59
65
HMMT Feb 2025
58
67
BRUMO 2025
60
72
MATH-500
73

Frequently Asked Questions

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

Ministral 3 14B is ahead overall, 55 to 51. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 37 and 10.

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

Ministral 3 14B has the edge for knowledge tasks in this comparison, averaging 50.1 versus 45. Inside this category, MMLU is the benchmark that creates the most daylight between them.

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

Ministral 3 14B has the edge for coding in this comparison, averaging 33 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 or Claude 3 Opus?

Ministral 3 14B has the edge for math in this comparison, averaging 69.7 versus 65.9. Inside this category, AIME 2025 is the benchmark that creates the most daylight between them.

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

Ministral 3 14B has the edge for reasoning in this comparison, averaging 63.6 versus 61.6. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

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

Ministral 3 14B has the edge for agentic tasks in this comparison, averaging 48.4 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 or Claude 3 Opus?

Ministral 3 14B has the edge for multimodal and grounded tasks in this comparison, averaging 70.5 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 or Claude 3 Opus?

Ministral 3 14B has the edge for instruction following in this comparison, averaging 80 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 or Claude 3 Opus?

Ministral 3 14B has the edge for multilingual tasks in this comparison, averaging 76.8 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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