GPT Image 2.5 Release Date
When ChatGPT Images 2.5 launched, what shipped on day one, and what changed.
GPT Image 2.5 was released on September 8, 2026, as part of OpenAI's "ChatGPT Images 2.5" launch. It shipped as two API models — gpt-image-2.5-flare and gpt-image-2.5-sunburst — alongside the ChatGPT image experience.
What launched
- Two API models, one family: Flare (speed-optimized, quality comparable to GPT Image 2 or better) and Sunburst (quality-first, above GPT Image 2). There is no generic
gpt-image-2.5API ID — you pick a variant, or a dated snapshot likegpt-image-2.5-flare-2026-09-08. - Quality improvements: sharper details, more natural lighting and texture, more stable subject retention, and more reliable local edits across multiple turns. OpenAI also cites better infographic accuracy and layout.
- Expanded quality ladder:
auto,low,medium,high,xhigh, andmax. - Flexible sizes: 1024×1024, 1536×1024, 1024×1536, and custom dimensions (multiples of 16, max 3,840 px per side, aspect ratio up to 3:1).
- Product features in ChatGPT: faster generation, Sketch-style guidance, templates, and comments for collaborative editing.
Timeline
- September 8, 2026 — ChatGPT Images 2.5 and both API models released (snapshot IDs dated 2026-09-08).
- September 2026 onward — ecosystem coverage, third-party guides, and prompt collections appear; search interest grows.
Want to put it to work? Start with the 104 free prompts or build your own with the generator.
Model facts on this page were last checked on October 1, 2026 against OpenAI's announcement and developer documentation coverage. OpenAI updates models and pricing regularly — always confirm current details on OpenAI's official pages before making purchase decisions.