Grok 4 vs o3-mini-high

Detailed comparison of capabilities, features, and performance.

Grok 4

Grok 4

xAI
VS
o3-mini-high

o3-mini-high

OpenAI
Feature Grok 4 o3-mini-high
AI Lab xAI OpenAI
Context Size 256,000 tokens 200,000 tokens
Max Output Size 8,000 tokens 100,000 tokens
Frontier Model Yes Yes
Vision Support Yes No
Description xAI's flagship enterprise model (256k context). Excels at data extraction, coding, summarization. o3-mini-high is the higest reasoning level of OpenAI's fast cost-efficient reasoning model tailored to coding math and science use cases

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