Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
GPT-OSS 120B is clearly ahead on the aggregate, 48 to 36. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-OSS 120B's sharpest advantage is in multimodal & grounded, where it averages 48.8 against 33.4. The single biggest benchmark swing on the page is MMLU, 51 to 30.
Ministral 3 8B (Reasoning) is the reasoning model in the pair, while GPT-OSS 120B 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-OSS 120B if you want the stronger benchmark profile. Ministral 3 8B (Reasoning) only becomes the better choice if you want the stronger reasoning-first profile.
GPT-OSS 120B
44.8
Ministral 3 8B (Reasoning)
38.5
GPT-OSS 120B
28.1
Ministral 3 8B (Reasoning)
15.2
GPT-OSS 120B
48.8
Ministral 3 8B (Reasoning)
33.4
GPT-OSS 120B
55.2
Ministral 3 8B (Reasoning)
42.1
GPT-OSS 120B
41.5
Ministral 3 8B (Reasoning)
30
GPT-OSS 120B
79
Ministral 3 8B (Reasoning)
70
GPT-OSS 120B
70.7
Ministral 3 8B (Reasoning)
61.7
GPT-OSS 120B
59.5
Ministral 3 8B (Reasoning)
47.8
GPT-OSS 120B is ahead overall, 48 to 36. The biggest single separator in this matchup is MMLU, where the scores are 51 and 30.
GPT-OSS 120B has the edge for knowledge tasks in this comparison, averaging 41.5 versus 30. Inside this category, MMLU is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for coding in this comparison, averaging 28.1 versus 15.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for math in this comparison, averaging 59.5 versus 47.8. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for reasoning in this comparison, averaging 55.2 versus 42.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for agentic tasks in this comparison, averaging 44.8 versus 38.5. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for multimodal and grounded tasks in this comparison, averaging 48.8 versus 33.4. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for instruction following in this comparison, averaging 79 versus 70. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-OSS 120B has the edge for multilingual tasks in this comparison, averaging 70.7 versus 61.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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