OpenAItext

GPT-5.4 Nano

Low-cost GPT-5.4-class model for classification, extraction, ranking, and high-volume lightweight tasks.

gpt-5.4-nano

Quickstart

Call this model

Chat completion

curl https://inference-api.worldrouter.ai/v1/chat/completions \
  -H "Authorization: Bearer your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4-nano",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'