GPT-5.2 Pro vs Ministral 3 14B (Reasoning)

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

GPT-5.2 Pro is clearly ahead on the aggregate, 90 to 60. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.2 Pro's sharpest advantage is in coding, where it averages 84.8 against 35. The single biggest benchmark swing on the page is SWE-bench Pro, 89 to 36.

GPT-5.2 Pro is also the more expensive model on tokens at $25.00 input / $150.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ministral 3 14B (Reasoning). That is roughly Infinityx on output cost alone. GPT-5.2 Pro gives you the larger context window at 400K, compared with 128K for Ministral 3 14B (Reasoning).

Quick Verdict

Pick GPT-5.2 Pro if you want the stronger benchmark profile. Ministral 3 14B (Reasoning) only becomes the better choice if you want the cheaper token bill.

Agentic

GPT-5.2 Pro

GPT-5.2 Pro

85.9

Ministral 3 14B (Reasoning)

58.5

88
Terminal-Bench 2.0
60
88
BrowseComp
61
82
OSWorld-Verified
55

Coding

GPT-5.2 Pro

GPT-5.2 Pro

84.8

Ministral 3 14B (Reasoning)

35

93
HumanEval
62
83
SWE-bench Verified
39
81
LiveCodeBench
33
89
SWE-bench Pro
36

Multimodal & Grounded

GPT-5.2 Pro

GPT-5.2 Pro

96

Ministral 3 14B (Reasoning)

71.5

96
MMMU-Pro
71
96
OfficeQA Pro
72

Reasoning

GPT-5.2 Pro

GPT-5.2 Pro

95.2

Ministral 3 14B (Reasoning)

69.2

97
SimpleQA
70
95
MuSR
70
98
BBH
80
93
LongBench v2
66
95
MRCRv2
66

Knowledge

GPT-5.2 Pro

GPT-5.2 Pro

81.5

Ministral 3 14B (Reasoning)

52.1

99
MMLU
71
99
GPQA
70
97
SuperGPQA
68
95
OpenBookQA
66
90
MMLU-Pro
69
44
HLE
7
93
FrontierScience
62

Instruction Following

GPT-5.2 Pro

GPT-5.2 Pro

95

Ministral 3 14B (Reasoning)

81

95
IFEval
81

Multilingual

GPT-5.2 Pro

GPT-5.2 Pro

93.4

Ministral 3 14B (Reasoning)

77.8

96
MGSM
81
92
MMLU-ProX
76

Mathematics

GPT-5.2 Pro

GPT-5.2 Pro

98.2

Ministral 3 14B (Reasoning)

75.2

99
AIME 2023
73
99
AIME 2024
75
99
AIME 2025
74
96
HMMT Feb 2023
69
98
HMMT Feb 2024
71
97
HMMT Feb 2025
70
97
BRUMO 2025
72
99
MATH-500
79

Frequently Asked Questions

Which is better, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro is ahead overall, 90 to 60. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 89 and 36.

Which is better for knowledge tasks, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for knowledge tasks in this comparison, averaging 81.5 versus 52.1. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for coding in this comparison, averaging 84.8 versus 35. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for math in this comparison, averaging 98.2 versus 75.2. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for reasoning in this comparison, averaging 95.2 versus 69.2. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for agentic tasks in this comparison, averaging 85.9 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-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 96 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-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for instruction following in this comparison, averaging 95 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.2 Pro or Ministral 3 14B (Reasoning)?

GPT-5.2 Pro has the edge for multilingual tasks in this comparison, averaging 93.4 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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