Breaking
Request property became required: model
openapi:POST /images/generations::request.application.json.body- Product
- OpenAI API
- Source
- OpenAPI URL
- Change kind
- Request Property Became Required
- Detected
- Last updated
Deterministic evidence
Before / after
Extracted from OpenAI's published contract. Shows the schema the change belongs to. 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"
},
},
"moderation": {
"moderation": {
"quality": {
"quality": {
"default": "auto",
"default": "auto",
"enum": [
"enum": [
"standard",
"hd",
"low",
"low",
"medium",
"medium",
"high",
"high",
"xhigh",
"xhigh",
"max",
"max",
"auto"
"auto",
"standard",
"hd"
],
],
"nullable": true,
"nullable": true,
"type": "string"
"type": "string",
"x-openai-enum-deprecations": {
"hd": {
"message": "This quality was only supported by retired DALL·E models. Use a GPT image quality instead."
},
"standard": {
"message": "This quality was only supported by retired DALL·E models. Use a GPT image quality instead."
}
}
},
},
"response_format": {
"response_format": {
"default": "url",
"deprecated": true,
"enum": [
"enum": [
"url",
"url",
"b64_json"
"b64_json"
"1792x1024",
"1792x1024",
"1024x1792"
"1024x1792"
],
],
"type": "string"
"type": "string",
"x-openai-enum-deprecations": {
"1024x1792": {
"message": "This legacy size suggestion is retained for SDK compatibility. Check the selected GPT image model's supported sizes."
},
"1792x1024": {
"message": "This legacy size suggestion is retained for SDK compatibility. Check the selected GPT image model's supported sizes."
},
"256x256": {
"message": "This legacy size suggestion is retained for SDK compatibility. Check the selected GPT image model's supported sizes."
},
"512x512": {
"message": "This legacy size suggestion is retained for SDK compatibility. Check the selected GPT image model's supported sizes."
}
}
}
}
],
],
"default": "auto",
"default": "auto",
},
},
"style": {
"style": {
"default": "vivid",
"default": "vivid",
"deprecated": true,
"enum": [
"enum": [
"vivid",
"vivid",
"natural"
"natural"
}
}
},
},
"required": [
"required": [
"model",
"prompt"
"prompt"
],
],
"type": "object"
"type": "object"
}
}
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