Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Claude Haiku 4.5 is clearly ahead on the aggregate, 30 to 23. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Haiku 4.5's sharpest advantage is in reasoning, where it averages 63.9 against 21.7. The single biggest benchmark swing on the page is SimpleQA, 65% 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.
Claude Haiku 4.5 is also the more expensive model on tokens at $0.80 input / $4.00 output per 1M tokens, versus $0.30 input / $0.50 output per 1M tokens for Grok 3 Mini. That is roughly 8.0x on output cost alone. Claude Haiku 4.5 gives you the larger context window at 200K, compared with 128K for Grok 3 Mini.
Pick Claude Haiku 4.5 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.
Claude Haiku 4.5
41.5
Grok 3 Mini
41.5
Benchmark data for this category is coming soon.
Claude Haiku 4.5
63.9
Grok 3 Mini
21.7
Claude Haiku 4.5
66
Grok 3 Mini
74.1
Benchmark data for this category is coming soon.
Benchmark data for this category is coming soon.
Claude Haiku 4.5
67
Grok 3 Mini
39.7
Claude Haiku 4.5 is ahead overall, 30 to 23. The biggest single separator in this matchup is SimpleQA, where the scores are 65% and 21.7%.
Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 66. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Claude Haiku 4.5 and Grok 3 Mini are effectively tied for coding here, both landing at 41.5 on average.
Claude Haiku 4.5 has the edge for math in this comparison, averaging 67 versus 39.7. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
Claude Haiku 4.5 has the edge for reasoning in this comparison, averaging 63.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
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