Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Gemini 2.5 Flash has the cleaner overall profile here, landing at 25 versus 23. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Gemini 2.5 Flash's sharpest advantage is in reasoning, where it averages 46.9 against 21.7. The single biggest benchmark swing on the page is SimpleQA, 48% to 21.7%. Grok 3 Mini does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Gemini 2.5 Flash is also the more expensive model on tokens at $0.15 input / $0.60 output per 1M tokens, versus $0.30 input / $0.50 output per 1M tokens for Grok 3 Mini. Gemini 2.5 Flash gives you the larger context window at 1M, compared with 128K for Grok 3 Mini.
Pick Gemini 2.5 Flash if you want the stronger benchmark profile. Grok 3 Mini only becomes the better choice if knowledge is the priority or you want the cheaper token bill.
Benchmark data for this category is coming soon.
Gemini 2.5 Flash
42
Grok 3 Mini
41.5
Benchmark data for this category is coming soon.
Gemini 2.5 Flash
46.9
Grok 3 Mini
21.7
Gemini 2.5 Flash
48
Grok 3 Mini
74.1
Benchmark data for this category is coming soon.
Benchmark data for this category is coming soon.
Gemini 2.5 Flash
49
Grok 3 Mini
39.7
Gemini 2.5 Flash is ahead overall, 25 to 23. The biggest single separator in this matchup is SimpleQA, where the scores are 48% and 21.7%.
Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 48. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Gemini 2.5 Flash has the edge for coding in this comparison, averaging 42 versus 41.5. Grok 3 Mini stays close enough that the answer can still flip depending on your workload.
Gemini 2.5 Flash has the edge for math in this comparison, averaging 49 versus 39.7. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
Gemini 2.5 Flash has the edge for reasoning in this comparison, averaging 46.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
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