Grok 3 Mini vs GPT-4o

Detailed comparison of capabilities, features, and performance.

Feature
Grok 3 Mini
GPT-4o
Model Image
Grok 3 Mini
GPT-4o
AI Lab
xAI
OpenAI
Context Size
131,000 tokens
128,000 tokens
Max Output Size
8,000 tokens
4,096 tokens
Frontier Model
No
Yes
Vision Support
No
Yes
Description
Lightweight, cost-effective xAI model (131k context). Good for simpler tasks, shows thinking traces.
The Omni model from OpenAI that reasons across audio vision and text

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