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Grok-4 Heavy vs Phi 4 Mini Reasoning
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 36.4% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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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.
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Microsoft
Phi-4 Mini Reasoning was developed to incorporate extended thinking capabilities into the ultra-compact Phi-4 Mini architecture. Built to demonstrate that reasoning enhancements can be applied even to very small models, it brings analytical depth to resource-constrained environments.
2 months newer
Phi 4 Mini Reasoning
Microsoft
2025-04-30
Grok-4 Heavy
xAI
2025-07-09
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Average performance across 1 common benchmarks
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Grok-4 Heavy
Average Score:88.4%(+36.4%)
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Phi 4 Mini Reasoning
Average Score:52.0%
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
Phi 4 Mini Reasoning
2025-02-01
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-4 Heavy
0 providers
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Phi 4 Mini Reasoning
0 providers
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Grok-4 Heavy
Avg Score:88.4%(+36.4%)
Providers:0
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Phi 4 Mini Reasoning
Avg Score:52.0%
Providers:0