Comprehensive side-by-side LLM comparison
Grok Code Fast 1 leads with 29.8% 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, Grok Code Fast 1 is the stronger choice for coding tasks.
xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
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

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 1 common benchmarks

Grok Code Fast 1

o1
Performance comparison across key benchmark categories

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