Claude 4.1 Opus vs Ministral 3 8B

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 32. 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 32.4. The single biggest benchmark swing on the page is MMMU-Pro, 82 to 27.

Claude 4.1 Opus gives you the larger context window at 200K, compared with 128K for Ministral 3 8B.

Quick Verdict

Pick Claude 4.1 Opus if you want the stronger benchmark profile. Ministral 3 8B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Claude 4.1 Opus

Claude 4.1 Opus

58.7

Ministral 3 8B

28.9

58
Terminal-Bench 2.0
26
62
BrowseComp
36
57
OSWorld-Verified
27

Coding

Claude 4.1 Opus

Claude 4.1 Opus

44

Ministral 3 8B

14.2

68
HumanEval
23
48
SWE-bench Verified
16
40
LiveCodeBench
15
47
SWE-bench Pro
13

Multimodal & Grounded

Claude 4.1 Opus

Claude 4.1 Opus

80.7

Ministral 3 8B

32.4

82
MMMU-Pro
27
79
OfficeQA Pro
39

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

72.9

Ministral 3 8B

36.1

74
SimpleQA
28
72
MuSR
26
81
BBH
63
71
LongBench v2
38
71
MRCRv2
41

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

57.6

Ministral 3 8B

28

76
MMLU
28
76
GPQA
27
74
SuperGPQA
25
72
OpenBookQA
23
75
MMLU-Pro
52
11
HLE
3
68
FrontierScience
32

Instruction Following

Claude 4.1 Opus

Claude 4.1 Opus

83

Ministral 3 8B

69

83
IFEval
69

Multilingual

Claude 4.1 Opus

Claude 4.1 Opus

81.8

Ministral 3 8B

61.7

85
MGSM
63
80
MMLU-ProX
61

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

77.7

Ministral 3 8B

43.3

76
AIME 2023
30
78
AIME 2024
32
77
AIME 2025
33
72
HMMT Feb 2023
26
74
HMMT Feb 2024
28
73
HMMT Feb 2025
27
75
BRUMO 2025
29
81
MATH-500
60

Frequently Asked Questions

Which is better, Claude 4.1 Opus or Ministral 3 8B?

Claude 4.1 Opus is ahead overall, 64 to 32. The biggest single separator in this matchup is MMMU-Pro, where the scores are 82 and 27.

Which is better for knowledge tasks, Claude 4.1 Opus or Ministral 3 8B?

Claude 4.1 Opus has the edge for knowledge tasks in this comparison, averaging 57.6 versus 28. 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 8B?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 44 versus 14.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Claude 4.1 Opus or Ministral 3 8B?

Claude 4.1 Opus has the edge for math in this comparison, averaging 77.7 versus 43.3. 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 8B?

Claude 4.1 Opus has the edge for reasoning in this comparison, averaging 72.9 versus 36.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude 4.1 Opus or Ministral 3 8B?

Claude 4.1 Opus has the edge for agentic tasks in this comparison, averaging 58.7 versus 28.9. 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 8B?

Claude 4.1 Opus has the edge for multimodal and grounded tasks in this comparison, averaging 80.7 versus 32.4. 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 8B?

Claude 4.1 Opus has the edge for instruction following in this comparison, averaging 83 versus 69. 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 8B?

Claude 4.1 Opus has the edge for multilingual tasks in this comparison, averaging 81.8 versus 61.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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