OpenAI gpt-image-2 adds transparent backgrounds in preview
Tech · Releases · Thu, August 20, 2026
Set background to transparent with png or webp output in the Images API and Responses image tool for gpt-image-2 and gpt-image-2-2026-04-21. jpeg is not supported.
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Source, method and history
- Source
- openai
- How we know
- From the Releases API (releases.fru.dev), which reads each vendor's changelog.
- Who
- openai
- Recurs
- one-off
- More on fru.dev
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- Changes
- 2026-09-25: added to 2026-08-20