GPT-5 Nano
OpenAI馃嚭馃嚫
openai/gpt-5-nanoGPT-5 Nano is the smallest and cheapest model in the GPT-5 family, optimized for extremely fast, low-latency responses. It suits simple classification, extraction, and high-throughput tasks where cost and speed dominate.
Cost rate
0.1x
Context
400K
Released
Aug 7, 2025
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#112 路 top 70%
Mathematical
#210 路 top 53%
Medicine & Healthcare
#217 路 top 57%
Business, Management, & Finance
#229 路 top 56%
Performance
Median latency and throughput measured across recent requests.
Throughput153 tok/s
Latency