Comprehensive side-by-side LLM comparison
o1 leads with 23.2% higher average benchmark score. o1 is available on 2 providers. Overall, o1 is the stronger choice for coding tasks.
xAI
Grok 1.5 was developed by xAI as an advanced language model, designed to provide helpful and accurate information with a focus on reasoning and factual knowledge. Built to serve as a conversational AI with strong analytical capabilities, it represents xAI's early generation of foundation models.
OpenAI
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
8 months newer

Grok-1.5
xAI
2024-03-28

o1
OpenAI
2024-12-17
Context window and performance specifications
Average performance across 7 common benchmarks

Grok-1.5

o1
Available providers and their performance metrics

Grok-1.5

o1
Azure

Grok-1.5

o1

Grok-1.5

o1
OpenAI