Gemini 2.5 Pro vs o3

Detailed comparison of capabilities, features, and performance.

Feature
Gemini 2.5 Pro
o3
Model Image
Gemini 2.5 Pro
o3
AI Lab
Google
OpenAI
Context Size
1,000,000 tokens
200,000 tokens
Max Output Size
60,000 tokens
100,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
A powerful reasoning model with 1M token context designed for advanced problem-solving tasks and multimodal capabilities.
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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