Comprehensive side-by-side LLM comparison
o1 leads with 5.3% higher average benchmark score. o1 offers 160.7K more tokens in context window than Grok 2. Grok 2 is $63.00 cheaper per million tokens. Overall, o1 is the stronger choice for coding tasks.
xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
OpenAI
OpenAI o1, released by OpenAI in December 2024, is a reasoning-focused large language model that applies extended chain-of-thought processing before generating responses. It features a 200K token context window and native image understanding, demonstrating strong performance on STEM benchmarks requiring multi-step reasoning. o1 targets mathematics, science, and coding tasks where careful deliberation over the problem produces more accurate outputs than direct generation.
3 months newer

Grok 2
xAI
2024-08-14

o1
OpenAI
2024-12-05
Cost per million tokens (USD)
Grok 2
o1
Context window and performance specifications
Average performance across 1 common benchmarks
Grok 2
o1
Performance comparison across key benchmark categories
Grok 2
o1
o1
2023-10
Available providers and their performance metrics
Grok 2
xAI
o1
Grok 2
o1
Grok 2
o1
OpenAI