Comprehensive side-by-side LLM comparison
o1-preview leads with 5.5% higher average benchmark score. Grok-4 offers 103.2K more tokens in context window than o1-preview. Grok-4 is $57.00 cheaper per million tokens. Grok-4 supports multimodal inputs. Overall, o1-preview 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-preview is a language model developed by OpenAI. It achieves strong performance with an average score of 64.8% across 8 benchmarks. It excels particularly in MGSM (90.8%), MMLU (90.8%), MATH (85.5%). It supports a 161K 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.
10 months newer
o1-preview
OpenAI
2024-09-12
Grok-4
xAI
2025-07-09
Cost per million tokens (USD)
Grok-4
o1-preview
Context window and performance specifications
Average performance across 14 common benchmarks
Grok-4
o1-preview
Grok-4
2024-12-31
Available providers and their performance metrics
Grok-4
xAI
ZeroEval
Grok-4
o1-preview
Grok-4
o1-preview
o1-preview
Azure
OpenAI