Grok 4 vs o3-mini-high

Detailed comparison of capabilities, features, and performance.

Feature
Grok 4
o3-mini-high
Model Image
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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