Grok 3 Mini vs o3-mini

Detailed comparison of capabilities, features, and performance.

Feature
Grok 3 Mini
o3-mini
Model Image
Grok 3 Mini
o3-mini
AI Lab
xAI
OpenAI
Context Size
131,000 tokens
200,000 tokens
Max Output Size
8,000 tokens
100,000 tokens
Frontier Model
No
Yes
Vision Support
No
No
Description
Lightweight, cost-effective xAI model (131k context). Good for simpler tasks, shows thinking traces.
o3-mini is a fast cost-efficient reasoning model tailored to coding math and science use cases

Try both models in your workspace

Access both Grok 3 Mini and o3-mini in a single workspace without managing multiple API keys.

Create your workspace