EDIT Endpoint - /images/edits refusing gpt-image models
OpenAI Developer Community
March 4, 2026
Aha, that is fair feedback. This behavior should be documented more clearly.
Thanks for raising this issue.
I suppose the solution is that if the image is in memory either:
- send it as a multipart file part (io.BytesIO with a filename), or
- upload it first and pass the file_id in JSON.
Discussion in the ATmosphere