Claude 4.1 Opus Thinking vs Ministral 3 8B

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

Claude 4.1 Opus Thinking is clearly ahead on the aggregate, 44 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 Thinking's sharpest advantage is in multimodal & grounded, where it averages 59.3 against 32.4. The single biggest benchmark swing on the page is MMMU-Pro, 62 to 27. Ministral 3 8B does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.

Claude 4.1 Opus Thinking is the reasoning model in the pair, while Ministral 3 8B 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 Thinking gives you the larger context window at 200K, compared with 128K for Ministral 3 8B.

Quick Verdict

Pick Claude 4.1 Opus Thinking if you want the stronger benchmark profile. Ministral 3 8B only becomes the better choice if instruction following is the priority or you would rather avoid the extra latency and token burn of a reasoning model.

Agentic

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

46.7

Ministral 3 8B

28.9

45
Terminal-Bench 2.0
26
49
BrowseComp
36
47
OSWorld-Verified
27

Coding

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

21.8

Ministral 3 8B

14.2

30
HumanEval
23
20
SWE-bench Verified
16
15
LiveCodeBench
15
29
SWE-bench Pro
13

Multimodal & Grounded

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

59.3

Ministral 3 8B

32.4

62
MMMU-Pro
27
56
OfficeQA Pro
39

Reasoning

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

49.4

Ministral 3 8B

36.1

36
SimpleQA
28
34
MuSR
26
67
BBH
63
60
LongBench v2
38
60
MRCRv2
41

Knowledge

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

34.3

Ministral 3 8B

28

38
MMLU
28
37
GPQA
27
35
SuperGPQA
25
33
OpenBookQA
23
53
MMLU-Pro
52
8
HLE
3
41
FrontierScience
32

Instruction Following

Ministral 3 8B

Claude 4.1 Opus Thinking

66

Ministral 3 8B

69

66
IFEval
69

Multilingual

Ministral 3 8B

Claude 4.1 Opus Thinking

58.7

Ministral 3 8B

61.7

60
MGSM
63
58
MMLU-ProX
61

Mathematics

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

48.3

Ministral 3 8B

43.3

38
AIME 2023
30
40
AIME 2024
32
39
AIME 2025
33
34
HMMT Feb 2023
26
36
HMMT Feb 2024
28
35
HMMT Feb 2025
27
37
BRUMO 2025
29
62
MATH-500
60

Frequently Asked Questions

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

Claude 4.1 Opus Thinking is ahead overall, 44 to 32. The biggest single separator in this matchup is MMMU-Pro, where the scores are 62 and 27.

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

Claude 4.1 Opus Thinking has the edge for knowledge tasks in this comparison, averaging 34.3 versus 28. Inside this category, MMLU is the benchmark that creates the most daylight between them.

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

Claude 4.1 Opus Thinking has the edge for coding in this comparison, averaging 21.8 versus 14.2. 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 Thinking or Ministral 3 8B?

Claude 4.1 Opus Thinking has the edge for math in this comparison, averaging 48.3 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 Thinking or Ministral 3 8B?

Claude 4.1 Opus Thinking has the edge for reasoning in this comparison, averaging 49.4 versus 36.1. 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 Thinking or Ministral 3 8B?

Claude 4.1 Opus Thinking has the edge for agentic tasks in this comparison, averaging 46.7 versus 28.9. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Claude 4.1 Opus Thinking or Ministral 3 8B?

Claude 4.1 Opus Thinking has the edge for multimodal and grounded tasks in this comparison, averaging 59.3 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 Thinking or Ministral 3 8B?

Ministral 3 8B has the edge for instruction following in this comparison, averaging 69 versus 66. Inside this category, IFEval is the benchmark that creates the most daylight between them.

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

Ministral 3 8B has the edge for multilingual tasks in this comparison, averaging 61.7 versus 58.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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