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Grok-4 Heavy vs o1-pro
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 9.4% higher average benchmark score. 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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OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
6 months newer
o1-pro
OpenAI
2024-12-17
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%(+9.4%)
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o1-pro
Average Score:79.0%
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Knowledge Cutoff
Training data recency comparison
o1-pro
2023-09-30
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-4 Heavy
0 providers
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o1-pro
0 providers
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Grok-4 Heavy
Avg Score:88.4%(+9.4%)
Providers:0
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o1-pro
Avg Score:79.0%
Providers:0