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The capability tier of OpenAI's image pair — "our most capable model for image generation and editing".
GPT Image 2.5 Sunburst is listed in OpenAI's model reference as gpt-image-2.5-sunburst and described there, in OpenAI's own words, as "our most capable model for image generation and editing". It is the upper half of a two-model release: Sunburst for capability, Flare for speed and everyday use. OpenAI's model reference carries no release date and no pricing for either model; the 8 September 2026 date recorded here comes from the LLM Gateway release timeline rather than from OpenAI, which is a weaker source than the rest of this batch and is flagged as such. No benchmark results are recorded, because none were published on a fetchable page.
| Benchmark | Official | Community avg |
|---|---|---|
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“Official” values are editor-approved and feed the ranking. “Community avg” is the mean of member submissions (shown for transparency; it never affects the ranking until an editor approves a value).
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Updated 9/16/2026
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