GPT Image 1.5 API

OpenAI GPT Image 1.5: reliable prompt adherence and legible text at low, medium or high quality, with optional transparent background and up to 4 reference images.

Kind: image
Brand: OpenAI
Price: 3 credits per image at low quality, 4 at medium, 15 at high (1 credit = $0.01 on monthly plans)
Released: 2025-12-17
Inputs: n, prompt, quality, background, ref_images, aspect_ratio

Call it with POST https://api.unicornapi.net/v1/jobs and model gpt-image-1.5.