GPT-5.4 Pro vs Ministral 3 8B (Reasoning)

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

GPT-5.4 Pro is clearly ahead on the aggregate, 91 to 36. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.4 Pro's sharpest advantage is in coding, where it averages 87.4 against 15.2. The single biggest benchmark swing on the page is SWE-bench Pro, 89 to 14.

GPT-5.4 Pro is also the more expensive model on tokens at $30.00 input / $180.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ministral 3 8B (Reasoning). That is roughly Infinityx on output cost alone. GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 128K for Ministral 3 8B (Reasoning).

Quick Verdict

Pick GPT-5.4 Pro if you want the stronger benchmark profile. Ministral 3 8B (Reasoning) only becomes the better choice if you want the cheaper token bill.

Agentic

GPT-5.4 Pro

GPT-5.4 Pro

87.4

Ministral 3 8B (Reasoning)

38.5

90
Terminal-Bench 2.0
39
88
BrowseComp
41
84
OSWorld-Verified
36

Coding

GPT-5.4 Pro

GPT-5.4 Pro

87.4

Ministral 3 8B (Reasoning)

15.2

95
HumanEval
24
86
SWE-bench Verified
17
86
LiveCodeBench
16
89
SWE-bench Pro
14

Multimodal & Grounded

GPT-5.4 Pro

GPT-5.4 Pro

94.9

Ministral 3 8B (Reasoning)

33.4

94
MMMU-Pro
28
96
OfficeQA Pro
40

Reasoning

GPT-5.4 Pro

GPT-5.4 Pro

96.1

Ministral 3 8B (Reasoning)

42.1

97
SimpleQA
32
95
MuSR
33
98
BBH
70
95
LongBench v2
44
97
MRCRv2
47

Knowledge

GPT-5.4 Pro

GPT-5.4 Pro

83.8

Ministral 3 8B (Reasoning)

30

99
MMLU
30
99
GPQA
29
97
SuperGPQA
27
94
OpenBookQA
25
94
MMLU-Pro
54
50
HLE
5
92
FrontierScience
34

Instruction Following

GPT-5.4 Pro

GPT-5.4 Pro

97

Ministral 3 8B (Reasoning)

70

97
IFEval
70

Multilingual

GPT-5.4 Pro

GPT-5.4 Pro

95.7

Ministral 3 8B (Reasoning)

61.7

97
MGSM
63
95
MMLU-ProX
61

Mathematics

GPT-5.4 Pro

GPT-5.4 Pro

98.2

Ministral 3 8B (Reasoning)

47.8

99
AIME 2023
33
99
AIME 2024
35
99
AIME 2025
34
96
HMMT Feb 2023
29
98
HMMT Feb 2024
31
97
HMMT Feb 2025
30
97
BRUMO 2025
32
99
MATH-500
67

Frequently Asked Questions

Which is better, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro is ahead overall, 91 to 36. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 89 and 14.

Which is better for knowledge tasks, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 83.8 versus 30. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for coding in this comparison, averaging 87.4 versus 15.2. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for math in this comparison, averaging 98.2 versus 47.8. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for reasoning in this comparison, averaging 96.1 versus 42.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for agentic tasks in this comparison, averaging 87.4 versus 38.5. 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-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 94.9 versus 33.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for instruction following in this comparison, averaging 97 versus 70. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.4 Pro or Ministral 3 8B (Reasoning)?

GPT-5.4 Pro has the edge for multilingual tasks in this comparison, averaging 95.7 versus 61.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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