GPT-5 nano vs Gemini 3 Pro
Detailed comparison of capabilities, features, and performance.
Feature
GPT-5 nano
Gemini 3 Pro
Model Image
AI Lab
OpenAI
Google
Context Size
272,000 tokens
1,048,756 tokens
Max Output Size
128,000 tokens
65,535 tokens
Frontier Model
No
Yes
Vision Support
Yes
Yes
Description
The fastest, most cost-efficient version of GPT-5, great for summarization and classification tasks.
Gemini 3 Pro: Google's most advanced AI model combining breakthrough reasoning depth, native multimodal understanding, and state-of-the-art agentic capabilities to help you learn, build, and plan anything
Learn more about GPT-5 nano
View detailed specifications and capabilities
View model details →Learn more about Gemini 3 Pro
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