GPT 5.4 Nano
OpenAI
openai/gpt-5.4-nano
GPT-5.4 Nano β ultra-fast, low-latency for classification, extraction, and sub-agents
Context Window
400K
400,000 tokens
Max Output
128K
128,000 tokens
Capabilities
ChatVisionCodetools
Aliases
gpt-5.4-nanoPricing (per 1M tokens)
| Pricing (per 1M tokens) | / 1M tokens |
|---|---|
| Input / 1M | $0.21 |
| Output / 1M | $1.31 |
Final prices shown
Quick Start
main.py
from openai import OpenAI client = OpenAI( base_url="https://api.chuizi.ai/v1", api_key="ck-your-key-here", ) response = client.chat.completions.create( model="openai/gpt-5.4-nano", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)