Comprehensive side-by-side LLM comparison
Grok-4 leads with 10.3% higher average benchmark score. o3-mini offers 36.0K more tokens in context window than Grok-4. o3-mini is $12.50 cheaper per million tokens. Grok-4 supports multimodal inputs. Overall, Grok-4 is the stronger choice for coding tasks.
xAI
Grok 4 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
OpenAI
o3-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
5 months newer

o3-mini
OpenAI
2025-01-30

Grok-4
xAI
2025-07-09
Cost per million tokens (USD)

Grok-4

o3-mini
Context window and performance specifications
Average performance across 1 common benchmarks

Grok-4

o3-mini
o3-mini
2023-09-30
Grok-4
2024-12-31
Available providers and their performance metrics

Grok-4
xAI
ZeroEval


Grok-4

o3-mini

Grok-4

o3-mini
o3-mini
Azure
OpenAI