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Grok-2 mini vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 37.4% higher average benchmark score. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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xAI
Grok 2 Mini was created as a more efficient variant of Grok 2, designed to provide strong capabilities with reduced computational requirements. Built to make Grok 2's advancements accessible to applications with tighter resource constraints, it balances performance with practical deployment needs.
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xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
11 months newer
Grok-2 mini
xAI
2024-08-13
Grok-4 Heavy
xAI
2025-07-09
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Average performance across 1 common benchmarks
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Grok-2 mini
Average Score:51.0%
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Grok-4 Heavy
Average Score:88.4%(+37.4%)
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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:51.0%
Providers:0
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Grok-4 Heavy
Avg Score:88.4%(+37.4%)
Providers:0