Comprehensive side-by-side LLM comparison
o1 leads with 67.9% higher average benchmark score. o1 offers 34.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $73.30 cheaper per million tokens. Overall, o1 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 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
8 months newer
o1
OpenAI
2024-12-17
Grok Code Fast 1
xAI
2025-08-28
Cost per million tokens (USD)
Grok Code Fast 1
o1
Context window and performance specifications
Average performance across 19 common benchmarks
Grok Code Fast 1
o1
Available providers and their performance metrics
Grok Code Fast 1
xAI
o1
Grok Code Fast 1
o1
Grok Code Fast 1
o1
Azure
OpenAI