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BlogGPT Image 2.5

New Model: GPT Image 2.5 — Flare and Sunburst (OpenAI)

Posted: September 15, 2026
Category: Changelog, Image Generation
Tags: GPT Image 2.5, OpenAI, image generation, image editing, new model, changelog

What’s New

GPT Image 2.5 is now available in the Output node. OpenAI’s follow-up to GPT Image 2 brings more natural lighting and textures, keeps subjects recognizable across repeated edits, and follows complex visual instructions more faithfully — and it comes in two variants so you can pick speed or polish per generation.

Two variants, one price

  • GPT Image 2.5 Flare — the everyday default. Lower latency, built for creator content, social visuals, product shots, and higher-volume generation.
  • GPT Image 2.5 Sunburst — the premium tier. Tighter control and more polished output for campaign hero images and high-end editing.

Both take the same inputs and cost the same, so switching between them is a single dropdown change on the same node.

Key Features

  • Text-to-image and image-to-image — connect up to 16 reference images and the node switches to edit mode automatically
  • Consistent edits — subjects stay recognizable across a chain of revisions, which makes iterative “now change X” workflows far more reliable
  • 13 aspect ratios: auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, ultra-wide 21:9, plus 27:16, 16:27, 9:8, and 8:9
  • 1K, 2K, or 4K output — pick the resolution on the node (the four extra-tall and extra-wide ratios output at 1K)
  • Long prompts — up to 20,000 characters of prompt context

Pricing

GPT Image 2.5 costs 11 credits per image, for either variant, at any resolution — the same as GPT Image 2. Free tier users get 20 credits per month.

How to Use

  1. Open any board in Banana Flow
  2. Add an Output Node to your flow
  3. Select GPT Image 2.5 Flare (or Sunburst) from the model dropdown
  4. Connect an Input Node with your prompt — add reference images to it for image-to-image
  5. Pick your aspect ratio and resolution
  6. Hit Generate

Start with Flare while you iterate, then switch the same node to Sunburst for the final render.

See the Image Models page for a side-by-side with the rest of the lineup.

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