GPT-image-1.5 API
Overview
gpt-4o-image is our model code name to present a proxied version of current ChatGPT's image model in user chat. Therefore, gpt-4o-image is using gpt-image-1.5 since ChatGPT.com updates its backend image generation model in December 17, 2025Disclaimer
gpt-4o-image is a reverse engineered version of ChatGPT web chat image model, it can be unstable.gpt-4o-image is dynamic due to the nature of ChatGPT. It can be downgraded when OpenAI thinks ChatGPT has too much traffic. Right now it points to ChatGPT's internal gpt-image-1.5Usage & Pricing
Simple Example
curl --location 'https://api.piapi.ai/v1/chat/completions' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer {your-api-key}' \
--data '{
"model": "gpt-4o-image",
"messages": [
{
"role": "user",
"content": [
{
"type": "text",
"text": "draw a cyberpunk city"
}
]
}
],
"stream": true
}'Modified at 2025-12-18 03:30:25