AI image generation with OpenAI API (opens in new tab)

OpenAI exposes image generation through the Image API (POST /images/generations). The official openai npm package wraps it as client.images.generate. This post walks through the main request parameters and how to save generated images from Node.js. The examples use gpt-image-2, OpenAI's latest GPT Image model. GPT Image models always return base64-encoded image data in data[].b64_json. Use output_format for the on-disk file type and put artistic direction in the prompt. For text generation wi...