Comprehensive side-by-side LLM comparison
o1 leads with 36.7% higher average benchmark score. o1 offers 36.0K more tokens in context window than Grok-4. Grok-4 is $57.00 cheaper per million tokens. Grok-4 supports multimodal inputs. Overall, o1 is the stronger choice for coding tasks.
xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. 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.
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.
6 months newer
o1
OpenAI
2024-12-17
Grok-4
xAI
2025-07-09
Cost per million tokens (USD)
Grok-4
o1
Context window and performance specifications
Average performance across 25 common benchmarks
Grok-4
o1
Grok-4
2024-12-31
Available providers and their performance metrics
Grok-4
xAI
ZeroEval
Grok-4
o1
Grok-4
o1
o1
Azure
OpenAI