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Grok-2 mini vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-2 mini leads with 8.9% higher average benchmark score. Overall, Grok-2 mini is the stronger choice for coding tasks.
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xAI
Grok-2 mini is a multimodal language model developed by xAI. It achieves strong performance with an average score of 74.1% across 8 benchmarks. It excels particularly in DocVQA (93.2%), MMLU (86.2%), HumanEval (85.7%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.
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xAI
Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
11 months newer
Grok-2 mini
xAI
2024-08-13
Grok-4 Heavy
xAI
2025-07-09
Average performance across 13 common benchmarks
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Grok-2 mini
Average Score:45.6%(+8.9%)
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Grok-4 Heavy
Average Score:36.7%
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-2 mini
0 providers
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Grok-4 Heavy
0 providers
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Grok-2 mini
Avg Score:45.6%(+8.9%)
Providers:0
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Grok-4 Heavy
Avg Score:36.7%
Providers:0