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