Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Grok 3 Mini is clearly ahead on the aggregate, 23 to 14. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 3 Mini's sharpest advantage is in knowledge, where it averages 74.1 against 29. The single biggest benchmark swing on the page is GPQA, 30% to 66.2%. GPT-OSS 20B does hit back in reasoning, so the answer changes if that is the part of the workload you care about most.
Pick Grok 3 Mini if you want the stronger benchmark profile. GPT-OSS 20B only becomes the better choice if reasoning is the priority.
Benchmark data for this category is coming soon.
GPT-OSS 20B
23
Grok 3 Mini
41.5
Benchmark data for this category is coming soon.
GPT-OSS 20B
27.9
Grok 3 Mini
21.7
GPT-OSS 20B
29
Grok 3 Mini
74.1
Benchmark data for this category is coming soon.
Benchmark data for this category is coming soon.
GPT-OSS 20B
30
Grok 3 Mini
39.7
Grok 3 Mini is ahead overall, 23 to 14. The biggest single separator in this matchup is GPQA, where the scores are 30% and 66.2%.
Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 29. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Grok 3 Mini has the edge for coding in this comparison, averaging 41.5 versus 23. GPT-OSS 20B stays close enough that the answer can still flip depending on your workload.
Grok 3 Mini has the edge for math in this comparison, averaging 39.7 versus 30. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
GPT-OSS 20B has the edge for reasoning in this comparison, averaging 27.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
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