GPT Image 2.5 Sunburst API

OpenAI GPT Image 2.5 Sunburst: the premium GPT Image 2.5 variant — tighter control and more polished output, slower than Flare. Same price.

Kind: image
Brand: OpenAI
Price: 6 credits per image at 1K, 10 at 2K, 16 at 4K (1 credit = $0.01 on monthly plans)
Released: 2026-09-09
Inputs: n, prompt, background, ref_images, resolution, aspect_ratio

Call it with POST https://api.unicornapi.net/v1/jobs and model gpt-image-2.5-sunburst.