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

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

GPT-5.2 Instant is clearly ahead on the aggregate, 85 to 60. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.2 Instant's sharpest advantage is in coding, where it averages 75.5 against 35. The single biggest benchmark swing on the page is LiveCodeBench, 74 to 33.

GPT-5.2 Instant is also the more expensive model on tokens at $1.50 input / $6.00 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.

Quick Verdict

Pick GPT-5.2 Instant 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 Instant

GPT-5.2 Instant

79.6

Ministral 3 14B (Reasoning)

58.5

83
Terminal-Bench 2.0
60
82
BrowseComp
61
74
OSWorld-Verified
55

Coding

GPT-5.2 Instant

GPT-5.2 Instant

75.5

Ministral 3 14B (Reasoning)

35

87
HumanEval
62
75
SWE-bench Verified
39
74
LiveCodeBench
33
77
SWE-bench Pro
36

Multimodal & Grounded

GPT-5.2 Instant

GPT-5.2 Instant

93.1

Ministral 3 14B (Reasoning)

71.5

94
MMMU-Pro
71
92
OfficeQA Pro
72

Reasoning

GPT-5.2 Instant

GPT-5.2 Instant

90.9

Ministral 3 14B (Reasoning)

69.2

95
SimpleQA
70
93
MuSR
70
96
BBH
80
89
LongBench v2
66
84
MRCRv2
66

Knowledge

GPT-5.2 Instant

GPT-5.2 Instant

79.8

Ministral 3 14B (Reasoning)

52.1

98
MMLU
71
97
GPQA
70
95
SuperGPQA
68
93
OpenBookQA
66
88
MMLU-Pro
69
43
HLE
7
91
FrontierScience
62

Instruction Following

GPT-5.2 Instant

GPT-5.2 Instant

95

Ministral 3 14B (Reasoning)

81

95
IFEval
81

Multilingual

GPT-5.2 Instant

GPT-5.2 Instant

94.4

Ministral 3 14B (Reasoning)

77.8

95
MGSM
81
94
MMLU-ProX
76

Mathematics

GPT-5.2 Instant

GPT-5.2 Instant

97.2

Ministral 3 14B (Reasoning)

75.2

99
AIME 2023
73
99
AIME 2024
75
98
AIME 2025
74
95
HMMT Feb 2023
69
97
HMMT Feb 2024
71
96
HMMT Feb 2025
70
96
BRUMO 2025
72
98
MATH-500
79

Frequently Asked Questions

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

GPT-5.2 Instant is ahead overall, 85 to 60. The biggest single separator in this matchup is LiveCodeBench, where the scores are 74 and 33.

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

GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 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 Instant or Ministral 3 14B (Reasoning)?

GPT-5.2 Instant has the edge for coding in this comparison, averaging 75.5 versus 35. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

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

GPT-5.2 Instant has the edge for math in this comparison, averaging 97.2 versus 75.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

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

GPT-5.2 Instant has the edge for reasoning in this comparison, averaging 90.9 versus 69.2. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

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

GPT-5.2 Instant has the edge for agentic tasks in this comparison, averaging 79.6 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 Instant or Ministral 3 14B (Reasoning)?

GPT-5.2 Instant has the edge for multimodal and grounded tasks in this comparison, averaging 93.1 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-5.2 Instant or Ministral 3 14B (Reasoning)?

GPT-5.2 Instant 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 Instant or Ministral 3 14B (Reasoning)?

GPT-5.2 Instant has the edge for multilingual tasks in this comparison, averaging 94.4 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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