Models
OpenAItext
GPT-5.4
Latest frontier model from OpenAI with enhanced reasoning, tool use, and multimodal understanding across text, images, and audio.
gpt-5.4Quickstart
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",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'