o3-pro vs Ministral 3 14B (Reasoning)

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

o3-pro is clearly ahead on the aggregate, 71 to 60. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o3-pro's sharpest advantage is in knowledge, where it averages 67.1 against 52.1. The single biggest benchmark swing on the page is SWE-bench Pro, 55 to 36.

o3-pro gives you the larger context window at 200K, compared with 128K for Ministral 3 14B (Reasoning).

Quick Verdict

Pick o3-pro if you want the stronger benchmark profile. Ministral 3 14B (Reasoning) only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

o3-pro

o3-pro

70.4

Ministral 3 14B (Reasoning)

58.5

69
Terminal-Bench 2.0
60
76
BrowseComp
61
68
OSWorld-Verified
55

Coding

o3-pro

o3-pro

49.2

Ministral 3 14B (Reasoning)

35

80
HumanEval
62
46
SWE-bench Verified
39
44
LiveCodeBench
33
55
SWE-bench Pro
36

Multimodal & Grounded

o3-pro

o3-pro

74.1

Ministral 3 14B (Reasoning)

71.5

70
MMMU-Pro
71
79
OfficeQA Pro
72

Reasoning

o3-pro

o3-pro

83.6

Ministral 3 14B (Reasoning)

69.2

86
SimpleQA
70
84
MuSR
70
89
BBH
80
81
LongBench v2
66
81
MRCRv2
66

Knowledge

o3-pro

o3-pro

67.1

Ministral 3 14B (Reasoning)

52.1

88
MMLU
71
89
GPQA
70
87
SuperGPQA
68
85
OpenBookQA
66
75
MMLU-Pro
69
26
HLE
7
77
FrontierScience
62

Instruction Following

o3-pro

o3-pro

82

Ministral 3 14B (Reasoning)

81

82
IFEval
81

Multilingual

o3-pro

o3-pro

81.1

Ministral 3 14B (Reasoning)

77.8

83
MGSM
81
80
MMLU-ProX
76

Mathematics

o3-pro

o3-pro

89

Ministral 3 14B (Reasoning)

75.2

90
AIME 2023
73
92
AIME 2024
75
91
AIME 2025
74
86
HMMT Feb 2023
69
88
HMMT Feb 2024
71
87
HMMT Feb 2025
70
89
BRUMO 2025
72
89
MATH-500
79

Frequently Asked Questions

Which is better, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro is ahead overall, 71 to 60. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 55 and 36.

Which is better for knowledge tasks, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for knowledge tasks in this comparison, averaging 67.1 versus 52.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for coding in this comparison, averaging 49.2 versus 35. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for math in this comparison, averaging 89 versus 75.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for reasoning in this comparison, averaging 83.6 versus 69.2. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for agentic tasks in this comparison, averaging 70.4 versus 58.5. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for multimodal and grounded tasks in this comparison, averaging 74.1 versus 71.5. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for instruction following in this comparison, averaging 82 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, o3-pro or Ministral 3 14B (Reasoning)?

o3-pro has the edge for multilingual tasks in this comparison, averaging 81.1 versus 77.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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