Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Kimi K2.5 (Reasoning) is clearly ahead on the aggregate, 47 to 23. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Kimi K2.5 (Reasoning)'s sharpest advantage is in reasoning, where it averages 86.9 against 21.7. The single biggest benchmark swing on the page is SimpleQA, 21.7% to 88%.
Kimi K2.5 (Reasoning) is the reasoning model in the pair, while Grok 3 Mini 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 Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. Grok 3 Mini only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Benchmark data for this category is coming soon.
Grok 3 Mini
41.5
Kimi K2.5 (Reasoning)
84
Benchmark data for this category is coming soon.
Grok 3 Mini
21.7
Kimi K2.5 (Reasoning)
86.9
Grok 3 Mini
74.1
Kimi K2.5 (Reasoning)
89
Benchmark data for this category is coming soon.
Benchmark data for this category is coming soon.
Grok 3 Mini
39.7
Kimi K2.5 (Reasoning)
93
Kimi K2.5 (Reasoning) is ahead overall, 47 to 23. The biggest single separator in this matchup is SimpleQA, where the scores are 21.7% and 88%.
Kimi K2.5 (Reasoning) has the edge for knowledge tasks in this comparison, averaging 89 versus 74.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Kimi K2.5 (Reasoning) has the edge for coding in this comparison, averaging 84 versus 41.5. Grok 3 Mini stays close enough that the answer can still flip depending on your workload.
Kimi K2.5 (Reasoning) has the edge for math in this comparison, averaging 93 versus 39.7. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
Kimi K2.5 (Reasoning) has the edge for reasoning in this comparison, averaging 86.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
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