o3 vs Gemini 2.5 Pro (03-25)

Detailed comparison of capabilities, features, and performance.

Feature
o3
Gemini 2.5 Pro (03-25)
Model Image
o3
Gemini 2.5 Pro (03-25)
AI Lab
OpenAI
Google
Context Size
200,000 tokens
1,048,756 tokens
Max Output Size
100,000 tokens
65,535 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday.
A powerful reasoning model for problem-solving tasks and multimodal capabilities (5th March tune).

Try both models in your workspace

Access both o3 and Gemini 2.5 Pro (03-25) in a single workspace without managing multiple API keys.

Create your workspace