Comprehensive side-by-side LLM comparison
o1-pro leads with 31.4% higher average benchmark score. o1-pro supports multimodal inputs. Overall, o1-pro is the stronger choice for coding tasks.
xAI
Grok Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
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.
8 months newer
o1-pro
OpenAI
2024-12-17
Grok Code Fast 1
xAI
2025-08-28
Context window and performance specifications
Average performance across 3 common benchmarks
Grok Code Fast 1
o1-pro
o1-pro
2023-09-30
Available providers and their performance metrics
Grok Code Fast 1
xAI
o1-pro
Grok Code Fast 1
o1-pro
Grok Code Fast 1
o1-pro