Claude 3.5 Sonnet vs Ministral 3 14B

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

Claude 3.5 Sonnet is clearly ahead on the aggregate, 60 to 55. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 3.5 Sonnet's sharpest advantage is in agentic, where it averages 55 against 48.4. The single biggest benchmark swing on the page is LongBench v2, 70 to 60.

Claude 3.5 Sonnet gives you the larger context window at 200K, compared with 128K for Ministral 3 14B.

Quick Verdict

Pick Claude 3.5 Sonnet if you want the stronger benchmark profile. Ministral 3 14B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Claude 3.5 Sonnet

Claude 3.5 Sonnet

55

Ministral 3 14B

48.4

54
Terminal-Bench 2.0
48
62
BrowseComp
55
51
OSWorld-Verified
44

Coding

Claude 3.5 Sonnet

Claude 3.5 Sonnet

37.8

Ministral 3 14B

33

57
HumanEval
58
36
SWE-bench Verified
37
39
LiveCodeBench
31
37
SWE-bench Pro
34

Multimodal & Grounded

Claude 3.5 Sonnet

Claude 3.5 Sonnet

74.8

Ministral 3 14B

70.5

77
MMMU-Pro
70
72
OfficeQA Pro
71

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

67.7

Ministral 3 14B

63.6

63
SimpleQA
66
61
MuSR
64
83
BBH
74
70
LongBench v2
60
70
MRCRv2
60

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

50.8

Ministral 3 14B

50.1

65
MMLU
69
65
GPQA
68
63
SuperGPQA
66
61
OpenBookQA
64
74
MMLU-Pro
67
5
HLE
5
59
FrontierScience
60

Instruction Following

Claude 3.5 Sonnet

Claude 3.5 Sonnet

83

Ministral 3 14B

80

83
IFEval
80

Multilingual

Claude 3.5 Sonnet

Claude 3.5 Sonnet

80.5

Ministral 3 14B

76.8

85
MGSM
80
78
MMLU-ProX
75

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

71.2

Ministral 3 14B

69.7

65
AIME 2023
68
67
AIME 2024
70
66
AIME 2025
72
61
HMMT Feb 2023
64
63
HMMT Feb 2024
66
62
HMMT Feb 2025
65
64
BRUMO 2025
67
80
MATH-500
72

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet is ahead overall, 60 to 55. The biggest single separator in this matchup is LongBench v2, where the scores are 70 and 60.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for knowledge tasks in this comparison, averaging 50.8 versus 50.1. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for coding in this comparison, averaging 37.8 versus 33. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for math in this comparison, averaging 71.2 versus 69.7. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for reasoning in this comparison, averaging 67.7 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 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for agentic tasks in this comparison, averaging 55 versus 48.4. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for multimodal and grounded tasks in this comparison, averaging 74.8 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 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for instruction following in this comparison, averaging 83 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude 3.5 Sonnet or Ministral 3 14B?

Claude 3.5 Sonnet has the edge for multilingual tasks in this comparison, averaging 80.5 versus 76.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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