o4-mini vs o3

Detailed comparison of capabilities, features, and performance.

Feature
o4-mini
o3
Model Image
o4-mini
o3
AI Lab
OpenAI
OpenAI
Context Size
200,000 tokens
200,000 tokens
Max Output Size
100,000 tokens
100,000 tokens
Frontier Model
No
Yes
Vision Support
Yes
Yes
Description
The latest o-series model. Optimized for fast & effective reasoning. Best for coding and visual tasks.
o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday.

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