Overview
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments.
GPT-5 Nano is available in Omny. 400,000 token context window. Image input. Reasoning mode. Tool calling.
What it can do
- 400,000 token context window
- Image input
- Reasoning mode
- Tool calling
Using it in Omny
Use GPT-5 Nano in Omny and compare its results with other language models on the same task.
Best for: Chat and comparing answers on your own prompts.
Questions
How do I use GPT-5 Nano?
Open chat in Omny and select GPT-5 Nano. Model access and usage depend on your plan.
What does GPT-5 Nano support in Omny?
400,000 token context window. Image input. Reasoning mode. Tool calling.