GPT-5.4 vs Ministral 3 8B (Reasoning)

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

GPT-5.4 is clearly ahead on the aggregate, 90 to 36. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.4's sharpest advantage is in coding, where it averages 84.5 against 15.2. The single biggest benchmark swing on the page is HumanEval, 95 to 24.

GPT-5.4 is also the more expensive model on tokens at $2.50 input / $15.00 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 gives you the larger context window at 1.05M, compared with 128K for Ministral 3 8B (Reasoning).

Quick Verdict

Pick GPT-5.4 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

GPT-5.4

87.8

Ministral 3 8B (Reasoning)

38.5

90
Terminal-Bench 2.0
39
88
BrowseComp
41
85
OSWorld-Verified
36

Coding

GPT-5.4

GPT-5.4

84.5

Ministral 3 8B (Reasoning)

15.2

95
HumanEval
24
84
SWE-bench Verified
17
84
LiveCodeBench
16
85
SWE-bench Pro
14

Multimodal & Grounded

GPT-5.4

GPT-5.4

95.5

Ministral 3 8B (Reasoning)

33.4

95
MMMU-Pro
28
96
OfficeQA Pro
40

Reasoning

GPT-5.4

GPT-5.4

95.8

Ministral 3 8B (Reasoning)

42.1

97
SimpleQA
32
94
MuSR
33
97
BBH
70
95
LongBench v2
44
97
MRCRv2
47

Knowledge

GPT-5.4

GPT-5.4

82.6

Ministral 3 8B (Reasoning)

30

99
MMLU
30
98
GPQA
29
96
SuperGPQA
27
94
OpenBookQA
25
93
MMLU-Pro
54
48
HLE
5
91
FrontierScience
34

Instruction Following

GPT-5.4

GPT-5.4

96

Ministral 3 8B (Reasoning)

70

96
IFEval
70

Multilingual

GPT-5.4

GPT-5.4

94.7

Ministral 3 8B (Reasoning)

61.7

96
MGSM
63
94
MMLU-ProX
61

Mathematics

GPT-5.4

GPT-5.4

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 or Ministral 3 8B (Reasoning)?

GPT-5.4 is ahead overall, 90 to 36. The biggest single separator in this matchup is HumanEval, where the scores are 95 and 24.

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

GPT-5.4 has the edge for knowledge tasks in this comparison, averaging 82.6 versus 30. Inside this category, MMLU is the benchmark that creates the most daylight between them.

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

GPT-5.4 has the edge for coding in this comparison, averaging 84.5 versus 15.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

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

GPT-5.4 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 or Ministral 3 8B (Reasoning)?

GPT-5.4 has the edge for reasoning in this comparison, averaging 95.8 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 or Ministral 3 8B (Reasoning)?

GPT-5.4 has the edge for agentic tasks in this comparison, averaging 87.8 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 or Ministral 3 8B (Reasoning)?

GPT-5.4 has the edge for multimodal and grounded tasks in this comparison, averaging 95.5 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 or Ministral 3 8B (Reasoning)?

GPT-5.4 has the edge for instruction following in this comparison, averaging 96 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 or Ministral 3 8B (Reasoning)?

GPT-5.4 has the edge for multilingual tasks in this comparison, averaging 94.7 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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