Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
GPT-5 mini is clearly ahead on the aggregate, 69 to 32. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5 mini's sharpest advantage is in multimodal & grounded, where it averages 83.8 against 32.4. The single biggest benchmark swing on the page is MMLU, 88 to 28.
GPT-5 mini is the reasoning model in the pair, while Ministral 3 8B is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use.
Pick GPT-5 mini if you want the stronger benchmark profile. Ministral 3 8B only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
GPT-5 mini
65.7
Ministral 3 8B
28.9
GPT-5 mini
42.8
Ministral 3 8B
14.2
GPT-5 mini
83.8
Ministral 3 8B
32.4
GPT-5 mini
81.8
Ministral 3 8B
36.1
GPT-5 mini
62.8
Ministral 3 8B
28
GPT-5 mini
82
Ministral 3 8B
69
GPT-5 mini
80.1
Ministral 3 8B
61.7
GPT-5 mini
87.2
Ministral 3 8B
43.3
GPT-5 mini is ahead overall, 69 to 32. The biggest single separator in this matchup is MMLU, where the scores are 88 and 28.
GPT-5 mini has the edge for knowledge tasks in this comparison, averaging 62.8 versus 28. Inside this category, MMLU is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for coding in this comparison, averaging 42.8 versus 14.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for math in this comparison, averaging 87.2 versus 43.3. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for reasoning in this comparison, averaging 81.8 versus 36.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for agentic tasks in this comparison, averaging 65.7 versus 28.9. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for multimodal and grounded tasks in this comparison, averaging 83.8 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for instruction following in this comparison, averaging 82 versus 69. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-5 mini has the edge for multilingual tasks in this comparison, averaging 80.1 versus 61.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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