Claude Opus 4.6 vs Ministral 3 14B

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

Claude Opus 4.6 is clearly ahead on the aggregate, 85 to 55. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Opus 4.6's sharpest advantage is in coding, where it averages 75.1 against 33. The single biggest benchmark swing on the page is LiveCodeBench, 75 to 31.

Claude Opus 4.6 is also the more expensive model on tokens at $15.00 input / $75.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ministral 3 14B. That is roughly Infinityx on output cost alone. Claude Opus 4.6 gives you the larger context window at 1M, compared with 128K for Ministral 3 14B.

Quick Verdict

Pick Claude Opus 4.6 if you want the stronger benchmark profile. Ministral 3 14B only becomes the better choice if you want the cheaper token bill.

Agentic

Claude Opus 4.6

Claude Opus 4.6

79.2

Ministral 3 14B

48.4

80
Terminal-Bench 2.0
48
85
BrowseComp
55
74
OSWorld-Verified
44

Coding

Claude Opus 4.6

Claude Opus 4.6

75.1

Ministral 3 14B

33

91
HumanEval
58
80
SWE-bench Verified
37
75
LiveCodeBench
31
74
SWE-bench Pro
34

Multimodal & Grounded

Claude Opus 4.6

Claude Opus 4.6

94.6

Ministral 3 14B

70.5

95
MMMU-Pro
70
94
OfficeQA Pro
71

Reasoning

Claude Opus 4.6

Claude Opus 4.6

93.1

Ministral 3 14B

63.6

95
SimpleQA
66
93
MuSR
64
94
BBH
74
92
LongBench v2
60
92
MRCRv2
60

Knowledge

Claude Opus 4.6

Claude Opus 4.6

78.9

Ministral 3 14B

50.1

99
MMLU
69
97
GPQA
68
95
SuperGPQA
66
93
OpenBookQA
64
92
MMLU-Pro
67
38
HLE
5
88
FrontierScience
60

Instruction Following

Claude Opus 4.6

Claude Opus 4.6

95

Ministral 3 14B

80

95
IFEval
80

Multilingual

Claude Opus 4.6

Claude Opus 4.6

94.7

Ministral 3 14B

76.8

96
MGSM
80
94
MMLU-ProX
75

Mathematics

Claude Opus 4.6

Claude Opus 4.6

97.2

Ministral 3 14B

69.7

99
AIME 2023
68
99
AIME 2024
70
98
AIME 2025
72
95
HMMT Feb 2023
64
97
HMMT Feb 2024
66
96
HMMT Feb 2025
65
96
BRUMO 2025
67
98
MATH-500
72

Frequently Asked Questions

Which is better, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 is ahead overall, 85 to 55. The biggest single separator in this matchup is LiveCodeBench, where the scores are 75 and 31.

Which is better for knowledge tasks, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for knowledge tasks in this comparison, averaging 78.9 versus 50.1. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for coding in this comparison, averaging 75.1 versus 33. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for math in this comparison, averaging 97.2 versus 69.7. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for reasoning in this comparison, averaging 93.1 versus 63.6. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for agentic tasks in this comparison, averaging 79.2 versus 48.4. 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 Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for multimodal and grounded tasks in this comparison, averaging 94.6 versus 70.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for instruction following in this comparison, averaging 95 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude Opus 4.6 or Ministral 3 14B?

Claude Opus 4.6 has the edge for multilingual tasks in this comparison, averaging 94.7 versus 76.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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