OpenAI's DALL-E replacement list names models that retire Dec 1

On OpenAI's deprecations page, dall-e-2 and dall-e-3 (removed May 12, 2026) list gpt-image-2, gpt-image-1 or gpt-image-1-mini as replacements, but the same page lists gpt-image-1-mini for removal on December 1, 2026. If you followed that old replacement list, check your model id again. On Sume, the current ids are openai/gpt-image-2.5 (Flare) and openai/gpt-image-2.5-sunburst.

Two entries, two dates

The OpenAI deprecations page has one entry for the DALL-E models and one for older GPT Image models. Reading them together shows a replacement chain that has already shortened.

What to take from it

The DALL-E replacement text was written in November 2025. gpt-image-1-mini was a sensible landing spot then; by the June 2026 notice it was already on the removal list. A project that migrated from DALL-E to gpt-image-1-mini has to move a second time before December 1.

The June entry names the current targets: gpt-image-2.5-sunburst and gpt-image-2.5-flare. OpenAI's image generation guide describes Sunburst as optimised for editing precision and Flare as the fast, high-quality everyday model.

Ids on Sume

Sume's Image API docs name openai/gpt-image-2.5 for Flare and openai/gpt-image-2.5-sunburst, and say ChatGPT Image 2 remains selectable. Both 2.5 ids take up to 16 image references, an optional mask_url, and background set to auto, transparent or opaque. An omitted quality defaults to high.

Sume's docs also say bare Image Router ids such as gpt-image-2 are accepted as aliases for their org/slug forms. Use the full org/slug id in new code.

Migration checklist

Replace the id, then check every parameter you send. A request that sets a parameter the chosen model does not list is rejected with 400 unsupported_parameter, not silently dropped; Sume's docs say output_compression and seed are not served in v1. Compare a handful of your real prompts side by side before cutting over, and move the work before December 1 rather than on it. The December 1 migration post has the Sume-side id mapping.