GPT-5 (medium) vs Ministral 3 14B (Reasoning)

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

GPT-5 (medium) is clearly ahead on the aggregate, 78 to 60. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5 (medium)'s sharpest advantage is in coding, where it averages 66.1 against 35. The single biggest benchmark swing on the page is SWE-bench Pro, 72 to 36.

Quick Verdict

Pick GPT-5 (medium) 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

GPT-5 (medium)

GPT-5 (medium)

75.5

Ministral 3 14B (Reasoning)

58.5

77
Terminal-Bench 2.0
60
78
BrowseComp
61
72
OSWorld-Verified
55

Coding

GPT-5 (medium)

GPT-5 (medium)

66.1

Ministral 3 14B (Reasoning)

35

83
HumanEval
62
67
SWE-bench Verified
39
60
LiveCodeBench
33
72
SWE-bench Pro
36

Multimodal & Grounded

GPT-5 (medium)

GPT-5 (medium)

88.1

Ministral 3 14B (Reasoning)

71.5

89
MMMU-Pro
71
87
OfficeQA Pro
72

Reasoning

GPT-5 (medium)

GPT-5 (medium)

84.3

Ministral 3 14B (Reasoning)

69.2

87
SimpleQA
70
85
MuSR
70
92
BBH
80
81
LongBench v2
66
81
MRCRv2
66

Knowledge

GPT-5 (medium)

GPT-5 (medium)

69.8

Ministral 3 14B (Reasoning)

52.1

91
MMLU
71
89
GPQA
70
87
SuperGPQA
68
85
OpenBookQA
66
81
MMLU-Pro
69
27
HLE
7
82
FrontierScience
62

Instruction Following

GPT-5 (medium)

GPT-5 (medium)

88

Ministral 3 14B (Reasoning)

81

88
IFEval
81

Multilingual

GPT-5 (medium)

GPT-5 (medium)

88.1

Ministral 3 14B (Reasoning)

77.8

90
MGSM
81
87
MMLU-ProX
76

Mathematics

GPT-5 (medium)

GPT-5 (medium)

92

Ministral 3 14B (Reasoning)

75.2

93
AIME 2023
73
95
AIME 2024
75
94
AIME 2025
74
89
HMMT Feb 2023
69
91
HMMT Feb 2024
71
90
HMMT Feb 2025
70
92
BRUMO 2025
72
92
MATH-500
79

Frequently Asked Questions

Which is better, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) is ahead overall, 78 to 60. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 72 and 36.

Which is better for knowledge tasks, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for knowledge tasks in this comparison, averaging 69.8 versus 52.1. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for coding in this comparison, averaging 66.1 versus 35. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for math in this comparison, averaging 92 versus 75.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for reasoning in this comparison, averaging 84.3 versus 69.2. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for agentic tasks in this comparison, averaging 75.5 versus 58.5. 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, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for multimodal and grounded tasks in this comparison, averaging 88.1 versus 71.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for instruction following in this comparison, averaging 88 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5 (medium) or Ministral 3 14B (Reasoning)?

GPT-5 (medium) has the edge for multilingual tasks in this comparison, averaging 88.1 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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