Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance

Grok-4 Heavy
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%). The model shows particular specialization in general tasks with an average performance of 79.5%. 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.

o1-pro
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%). The model shows particular specialization in general tasks with an average performance of 82.5%. 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.

o1-pro
OpenAI
2024-12-17

Grok-4 Heavy
xAI
2025-07-09
6 months newer
Average performance across 1 common benchmarks

Grok-4 Heavy

o1-pro
Performance comparison across key benchmark categories

Grok-4 Heavy

o1-pro
o1-pro
2023-09-30
Grok-4 Heavy
2024-12-31
Provider Availability & Performance
Available providers and their performance metrics

Grok-4 Heavy

o1-pro

Grok-4 Heavy

o1-pro