GPT-Image-2.5 reportedly has two models; the powerful Sunburst is API-only

mark_k · x · 2026-09-09

User markk notes the new GPT-Image-2.5 consists of two separate models: "Flare" (less powerful) and "Sunburst" (more expensive, stronger). Sunburst is currently API-only, and the post calls on OpenAI to make it available in ChatGPT for Pro users. Unverified user observation.

Related event: OpenAI rolls out dual GPT-Image-2.5 models: Flare for speed, Sunburst for quality(3 posts)→

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