Claude 4.1 Opus vs Ministral 3 14B (Reasoning)

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

Claude 4.1 Opus is clearly ahead on the aggregate, 64 to 60. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 4.1 Opus's sharpest advantage is in multimodal & grounded, where it averages 80.7 against 71.5. The single biggest benchmark swing on the page is SWE-bench Pro, 47 to 36.

Ministral 3 14B (Reasoning) is the reasoning model in the pair, while Claude 4.1 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 4.1 Opus gives you the larger context window at 200K, compared with 128K for Ministral 3 14B (Reasoning).

Quick Verdict

Pick Claude 4.1 Opus if you want the stronger benchmark profile. Ministral 3 14B (Reasoning) only becomes the better choice if you want the stronger reasoning-first profile.

Agentic

Claude 4.1 Opus

Claude 4.1 Opus

58.7

Ministral 3 14B (Reasoning)

58.5

58
Terminal-Bench 2.0
60
62
BrowseComp
61
57
OSWorld-Verified
55

Coding

Claude 4.1 Opus

Claude 4.1 Opus

44

Ministral 3 14B (Reasoning)

35

68
HumanEval
62
48
SWE-bench Verified
39
40
LiveCodeBench
33
47
SWE-bench Pro
36

Multimodal & Grounded

Claude 4.1 Opus

Claude 4.1 Opus

80.7

Ministral 3 14B (Reasoning)

71.5

82
MMMU-Pro
71
79
OfficeQA Pro
72

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

72.9

Ministral 3 14B (Reasoning)

69.2

74
SimpleQA
70
72
MuSR
70
81
BBH
80
71
LongBench v2
66
71
MRCRv2
66

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

57.6

Ministral 3 14B (Reasoning)

52.1

76
MMLU
71
76
GPQA
70
74
SuperGPQA
68
72
OpenBookQA
66
75
MMLU-Pro
69
11
HLE
7
68
FrontierScience
62

Instruction Following

Claude 4.1 Opus

Claude 4.1 Opus

83

Ministral 3 14B (Reasoning)

81

83
IFEval
81

Multilingual

Claude 4.1 Opus

Claude 4.1 Opus

81.8

Ministral 3 14B (Reasoning)

77.8

85
MGSM
81
80
MMLU-ProX
76

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

77.7

Ministral 3 14B (Reasoning)

75.2

76
AIME 2023
73
78
AIME 2024
75
77
AIME 2025
74
72
HMMT Feb 2023
69
74
HMMT Feb 2024
71
73
HMMT Feb 2025
70
75
BRUMO 2025
72
81
MATH-500
79

Frequently Asked Questions

Which is better, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus is ahead overall, 64 to 60. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 47 and 36.

Which is better for knowledge tasks, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for knowledge tasks in this comparison, averaging 57.6 versus 52.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 44 versus 35. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for math in this comparison, averaging 77.7 versus 75.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for reasoning in this comparison, averaging 72.9 versus 69.2. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for agentic tasks in this comparison, averaging 58.7 versus 58.5. 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, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for multimodal and grounded tasks in this comparison, averaging 80.7 versus 71.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for instruction following in this comparison, averaging 83 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude 4.1 Opus or Ministral 3 14B (Reasoning)?

Claude 4.1 Opus has the edge for multilingual tasks in this comparison, averaging 81.8 versus 77.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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