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Grok-4 Heavy vs o1-pro
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 44.6% higher average benchmark score. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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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.
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OpenAI
o1-pro is a multimodal language model developed by OpenAI. This model demonstrates exceptional performance with an average score of 82.5% across 2 benchmarks. It excels particularly in AIME 2024 (86.0%), GPQA (79.0%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
6 months newer
o1-pro
OpenAI
2024-12-17
Grok-4 Heavy
xAI
2025-07-09
Average performance across 7 common benchmarks
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Grok-4 Heavy
Average Score:68.2%(+44.6%)
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o1-pro
Average Score:23.6%
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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:68.2%(+44.6%)
Providers:0
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o1-pro
Avg Score:23.6%
Providers:0