Breaking
Request property became not nullable: model
openapi:POST /images/generations::request.application.json.model- Product
- OpenAI API
- Source
- OpenAPI URL
- Change kind
- Request Property Became Not Nullable
- Detected
- Last updated
Deterministic evidence
Before / after
Extracted from OpenAI's published contract. Shows the changed property. Open the source ↗
"gpt-image-2.5-sunburst-2026-09-08",
"gpt-image-2.5-sunburst-2026-09-08",
"gpt-image-2.5-flare",
"gpt-image-2.5-flare",
"gpt-image-2.5-flare-2026-09-08",
"gpt-image-2.5-flare-2026-09-08",
"dall-e-2",
"dall-e-3",
"gpt-image-1",
"gpt-image-1",
"gpt-image-1-mini"
"gpt-image-1-mini",
"chatgpt-image-latest",
"dall-e-2",
"dall-e-3"
],
],
"type": "string"
"type": "string",
"x-openai-enum-deprecations": {
"dall-e-2": {
"message": "This model was retired on May 12, 2026. Use a GPT image model instead."
},
"dall-e-3": {
"message": "This model was retired on May 12, 2026. Use a GPT image model instead."
}
}
}
}
],
],
"default": "dall-e-2",
"nullable": true,
"x-oaiTypeLabel": "string"
"x-oaiTypeLabel": "string"
}
}
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