TPSTokens Per Second

GPT-4.1 nano

OpenAI
active

Smallest and cheapest GPT-4.1. Optimized for classification and low-latency tasks.

Context window1000K tokens
Input / 1M tokens$0.1
Output / 1M tokens$0.4

Version History

gpt-4.1-nano-2025-04-14majorApril 14, 2025

GPT-4.1 nano is OpenAI's smallest and fastest model. Ideal for classification, routing, and real-time applications.