# Images ## Create image variation **post** `/images/variations` This endpoint is retired and no longer available. Use the image edits endpoint with a GPT Image model and a prompt to create a variation of an image. The request and response schemas below describe the legacy contract. ### Returns - `ImagesResponse object { created, background, data, 5 more }` The response from the image generation endpoint. - `created: number` The Unix timestamp (in seconds) of when the image was created. - `background: optional "transparent" or "opaque"` The background parameter used for the image generation. Either `transparent` or `opaque`. - `"transparent"` - `"opaque"` - `data: optional array of Image` The list of generated images. - `b64_json: optional string` The base64-encoded JSON of the generated image. Returned by default for GPT image models, or when `response_format` is set to `b64_json` for models that support that parameter. - `revised_prompt: optional string` The revised prompt used to generate the image, for models that support prompt revision. Not returned by GPT image models. - `url: optional string` The URL of the generated image when `response_format` is set to `url` for models that support that parameter. Unsupported for GPT image models. - `output_format: optional "png" or "webp" or "jpeg"` The output format of the image generation. Either `png`, `webp`, or `jpeg`. - `"png"` - `"webp"` - `"jpeg"` - `quality: optional "low" or "medium" or "high" or 2 more` The quality of the image generated. One of `low`, `medium`, `high`, `xhigh`, or `max`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. - `size: optional string or "1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `usage: optional object { input_tokens, input_tokens_details, output_tokens, 2 more }` For `gpt-image-1` only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of output tokens generated by the model. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `output_tokens_details: optional object { image_tokens, text_tokens }` The output token details for the image generation. - `image_tokens: number` The number of image output tokens generated by the model. - `text_tokens: number` The number of text output tokens generated by the model. ### Example ```http curl https://api.openai.com/v1/images/variations \ -H 'Content-Type: multipart/form-data' \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -F 'image=@/path/to/image' \ -F model=dall-e-2 \ -F n=1 \ -F response_format=url \ -F size=1024x1024 \ -F user=user-1234 ``` #### Response ```json { "created": 0, "background": "transparent", "data": [ { "b64_json": "b64_json", "revised_prompt": "revised_prompt", "url": "https://example.com" } ], "output_format": "png", "quality": "low", "safety_identifier": "safety_identifier", "size": "1024x1024", "usage": { "input_tokens": 0, "input_tokens_details": { "image_tokens": 0, "text_tokens": 0 }, "output_tokens": 0, "total_tokens": 0, "output_tokens_details": { "image_tokens": 0, "text_tokens": 0 } } } ``` ### Example ```http curl https://api.openai.com/v1/images/variations \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -F image="@otter.png" \ -F n=2 \ -F size="1024x1024" ``` #### Response ```json { "created": 1589478378, "data": [ { "url": "https://..." }, { "url": "https://..." } ] } ``` ## Create image edit **post** `/images/edits` Creates an edited or extended image given one or more source images and a prompt. This endpoint supports GPT Image models. ### Body Parameters - `images: array of object { file_id, image_url }` Input image references to edit. For GPT image models, you can provide up to 16 images. - `file_id: optional string` The File API ID of an uploaded image to use as input. - `image_url: optional string` A fully qualified URL or base64-encoded data URL. - `prompt: string` A text description of the desired image edit. - `background: optional "transparent" or "opaque" or "auto" or null` Set the background of the generated image output. `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their `2026-09-08` snapshots, support `opaque` and `transparent` backgrounds. Transparent backgrounds are available for supported GPT Image models. For `gpt-image-2` and `gpt-image-2-2026-04-21`, this support is in preview. When using `transparent`, set the output format to `png` or `webp`. - `"transparent"` - `"opaque"` - `"auto"` - `input_fidelity: optional "high" or "low" or null` Control how much effort the model will exert to match the style and features, especially facial features, of input images. Supports `high` and `low` on `gpt-image-1` and `gpt-image-1.5`; `gpt-image-1-mini` supports only `low`. For `gpt-image-2`, omit this parameter. Defaults to `low` on supported models. - `"high"` - `"low"` - `mask: optional object { file_id, image_url }` Reference an input image by either URL or uploaded file ID. Provide exactly one of `image_url` or `file_id`. - `file_id: optional string` The File API ID of an uploaded image to use as input. - `image_url: optional string` A fully qualified URL or base64-encoded data URL. - `model: optional string or "gpt-image-1.5" or "gpt-image-2" or "gpt-image-2-2026-04-21" or 7 more or null` The GPT image model to use for image editing, including `gpt-image-2`, its dated snapshot `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`. Defaults to `gpt-image-2.5-sunburst`. - `string` - `"gpt-image-1.5" or "gpt-image-2" or "gpt-image-2-2026-04-21" or 7 more` The GPT image model to use for image editing, including `gpt-image-2`, its dated snapshot `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`. Defaults to `gpt-image-2.5-sunburst`. - `"gpt-image-1.5"` - `"gpt-image-2"` - `"gpt-image-2-2026-04-21"` - `"gpt-image-2.5-sunburst"` - `"gpt-image-2.5-sunburst-2026-09-08"` - `"gpt-image-2.5-flare"` - `"gpt-image-2.5-flare-2026-09-08"` - `"gpt-image-1"` - `"gpt-image-1-mini"` - `"chatgpt-image-latest"` - `moderation: optional "low" or "auto" or null` Moderation level for GPT image models. - `"low"` - `"auto"` - `n: optional number or null` The number of edited images to generate. - `output_compression: optional number or null` Compression level for `jpeg` or `webp` output. - `output_format: optional "png" or "jpeg" or "webp" or null` Output image format. Supported for GPT image models. - `"png"` - `"jpeg"` - `"webp"` - `partial_images: optional number or null` The number of partial images to generate. This parameter is used for streaming responses that return partial images. Value must be between 0 and 3. When set to 0, the response will be a single image sent in one streaming event. Note that the final image may be sent before the full number of partial images are generated if the full image is generated more quickly. - `quality: optional "low" or "medium" or "high" or 3 more or null` Output quality for GPT image models. The GPT image models support `low`, `medium`, and `high`. `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their `2026-09-08` snapshots, also support `xhigh` and `max`. Defaults to `auto`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `safety_identifier: optional string or null` A stable identifier for an end user in your organization, used for safety monitoring and abuse detection. Hash a username or email address to avoid sending identifying information. A non-empty value takes precedence over the deprecated `user` parameter. If omitted, null, or empty, the API uses `user` when available. [Learn more](/api/docs/guides/safety-best-practices#implement-safety-identifiers). - `size: optional string or "auto" or "1024x1024" or "1536x1024" or "1024x1536" or null` The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing. - `string` - `"auto" or "1024x1024" or "1536x1024" or "1024x1536"` The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing. - `"auto"` - `"1024x1024"` - `"1536x1024"` - `"1024x1536"` - `stream: optional boolean or null` Stream partial image results as events. - `user: optional string` Deprecated: use `safety_identifier` instead. This parameter remains accepted for backward compatibility and is used when `safety_identifier` is omitted, null, or empty. [Learn more](/api/docs/guides/safety-best-practices#implement-safety-identifiers). ### Returns - `ImagesResponse object { created, background, data, 5 more }` The response from the image generation endpoint. - `created: number` The Unix timestamp (in seconds) of when the image was created. - `background: optional "transparent" or "opaque"` The background parameter used for the image generation. Either `transparent` or `opaque`. - `"transparent"` - `"opaque"` - `data: optional array of Image` The list of generated images. - `b64_json: optional string` The base64-encoded JSON of the generated image. Returned by default for GPT image models, or when `response_format` is set to `b64_json` for models that support that parameter. - `revised_prompt: optional string` The revised prompt used to generate the image, for models that support prompt revision. Not returned by GPT image models. - `url: optional string` The URL of the generated image when `response_format` is set to `url` for models that support that parameter. Unsupported for GPT image models. - `output_format: optional "png" or "webp" or "jpeg"` The output format of the image generation. Either `png`, `webp`, or `jpeg`. - `"png"` - `"webp"` - `"jpeg"` - `quality: optional "low" or "medium" or "high" or 2 more` The quality of the image generated. One of `low`, `medium`, `high`, `xhigh`, or `max`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. - `size: optional string or "1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `usage: optional object { input_tokens, input_tokens_details, output_tokens, 2 more }` For `gpt-image-1` only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of output tokens generated by the model. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `output_tokens_details: optional object { image_tokens, text_tokens }` The output token details for the image generation. - `image_tokens: number` The number of image output tokens generated by the model. - `text_tokens: number` The number of text output tokens generated by the model. ### Example ```http curl https://api.openai.com/v1/images/edits \ -H 'Content-Type: application/json' \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -d '{ "images": [ { "image_url": "https://example.com/source-image.png" } ], "prompt": "Add a watercolor effect to this image", "model": "gpt-image-1.5", "quality": "high", "size": "1024x1024" }' ``` #### Response ```json { "created": 0, "background": "transparent", "data": [ { "b64_json": "b64_json", "revised_prompt": "revised_prompt", "url": "https://example.com" } ], "output_format": "png", "quality": "low", "safety_identifier": "safety_identifier", "size": "1024x1024", "usage": { "input_tokens": 0, "input_tokens_details": { "image_tokens": 0, "text_tokens": 0 }, "output_tokens": 0, "total_tokens": 0, "output_tokens_details": { "image_tokens": 0, "text_tokens": 0 } } } ``` ### Edit image ```http curl -s -D >(grep -i x-request-id >&2) \ -o >(jq -r '.data[0].b64_json' | base64 --decode > gift-basket.png) \ -X POST "https://api.openai.com/v1/images/edits" \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -F "model=gpt-image-1.5" \ -F "image[]=@body-lotion.png" \ -F "image[]=@bath-bomb.png" \ -F "image[]=@incense-kit.png" \ -F "image[]=@soap.png" \ -F 'prompt=Create a lovely gift basket with these four items in it' ``` ### Streaming ```http curl -s -N -X POST "https://api.openai.com/v1/images/edits" \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -F "model=gpt-image-1.5" \ -F "image[]=@body-lotion.png" \ -F "image[]=@bath-bomb.png" \ -F "image[]=@incense-kit.png" \ -F "image[]=@soap.png" \ -F 'prompt=Create a lovely gift basket with these four items in it' \ -F "stream=true" ``` #### Response ```json event: image_edit.partial_image data: {"type":"image_edit.partial_image","b64_json":"...","partial_image_index":0} event: image_edit.completed data: {"type":"image_edit.completed","b64_json":"...","usage":{"total_tokens":100,"input_tokens":50,"output_tokens":50,"input_tokens_details":{"text_tokens":10,"image_tokens":40}}} ``` ## Create image **post** `/images/generations` Creates an image given a prompt using a GPT Image model. [Learn more](/api/docs/guides/images-vision). ### Body Parameters - `model: string or ImageModel` The GPT image model to use for image generation. Specify a model explicitly. Supported models include `gpt-image-1`, `gpt-image-1-mini`, `gpt-image-1.5`, `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, `gpt-image-2.5-flare-2026-09-08`, and `chatgpt-image-latest`. - `string` - `ImageModel = "gpt-image-1.5" or "gpt-image-2" or "gpt-image-2-2026-04-21" or 9 more` - `"gpt-image-1.5"` - `"gpt-image-2"` - `"gpt-image-2-2026-04-21"` - `"gpt-image-2.5-sunburst"` - `"gpt-image-2.5-sunburst-2026-09-08"` - `"gpt-image-2.5-flare"` - `"gpt-image-2.5-flare-2026-09-08"` - `"gpt-image-1"` - `"gpt-image-1-mini"` - `"chatgpt-image-latest"` - `"dall-e-2"` - `"dall-e-3"` - `prompt: string` A text description of the desired image(s). The maximum length is 32000 characters. - `background: optional "transparent" or "opaque" or "auto" or null` Set the background of the generated image(s). This parameter is only supported for the GPT image models. Must be one of `transparent`, `opaque`, or `auto` (default value). When `auto` is used, the model will automatically determine the best background for the image. `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their `2026-09-08` snapshots, support `opaque` and `transparent` backgrounds. Transparent backgrounds are available for supported GPT Image models. For `gpt-image-2` and `gpt-image-2-2026-04-21`, this support is in preview. When using `transparent`, set the output format to `png` or `webp`. - `"transparent"` - `"opaque"` - `"auto"` - `moderation: optional "low" or "auto" or null` Control the content-moderation level for images generated by the GPT image models. Must be either `low` for less restrictive filtering or `auto` (default value). - `"low"` - `"auto"` - `n: optional number or null` The number of images to generate. Must be between 1 and 10. - `output_compression: optional number or null` The compression level (0-100%) for the generated images. This parameter is only supported for the GPT image models with the `webp` or `jpeg` output formats, and defaults to 100. - `output_format: optional "png" or "jpeg" or "webp" or null` The format in which the generated images are returned. This parameter is only supported for the GPT image models. Must be one of `png`, `jpeg`, or `webp`. - `"png"` - `"jpeg"` - `"webp"` - `partial_images: optional number or null` The number of partial images to generate. This parameter is used for streaming responses that return partial images. Value must be between 0 and 3. When set to 0, the response will be a single image sent in one streaming event. Note that the final image may be sent before the full number of partial images are generated if the full image is generated more quickly. - `quality: optional "low" or "medium" or "high" or 5 more or null` The quality of the image that will be generated. - `auto` (default value) will automatically select the best quality for the given model. - `high`, `medium` and `low` are supported for the GPT image models. - `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their `2026-09-08` snapshots, also support `xhigh` and `max`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `"standard"` - `"hd"` - `response_format: optional "url" or "b64_json" or null` Legacy response format parameter for retired image models. Unsupported for GPT image models, which always return base64-encoded images. - `"url"` - `"b64_json"` - `safety_identifier: optional string or null` A stable identifier for an end user in your organization, used for safety monitoring and abuse detection. Hash a username or email address to avoid sending identifying information. A non-empty value takes precedence over the deprecated `user` parameter. If omitted, null, or empty, the API uses `user` when available. [Learn more](/api/docs/guides/safety-best-practices#implement-safety-identifiers). - `size: optional string or "auto" or "1024x1024" or "1536x1024" or 5 more or null` The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing. - `string` - `"auto" or "1024x1024" or "1536x1024" or 5 more` The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing. - `"auto"` - `"1024x1024"` - `"1536x1024"` - `"1024x1536"` - `"256x256"` - `"512x512"` - `"1792x1024"` - `"1024x1792"` - `stream: optional boolean or null` Generate the image in streaming mode. Defaults to `false`. See the [Image generation guide](/api/docs/guides/image-generation) for more information. This parameter is only supported for the GPT image models. - `style: optional "vivid" or "natural" or null` Legacy style parameter for retired image models. Unsupported for GPT image models; describe the desired style in the prompt instead. - `"vivid"` - `"natural"` - `user: optional string` Deprecated: use `safety_identifier` instead. This parameter remains accepted for backward compatibility and is used when `safety_identifier` is omitted, null, or empty. [Learn more](/api/docs/guides/safety-best-practices#implement-safety-identifiers). ### Returns - `ImagesResponse object { created, background, data, 5 more }` The response from the image generation endpoint. - `created: number` The Unix timestamp (in seconds) of when the image was created. - `background: optional "transparent" or "opaque"` The background parameter used for the image generation. Either `transparent` or `opaque`. - `"transparent"` - `"opaque"` - `data: optional array of Image` The list of generated images. - `b64_json: optional string` The base64-encoded JSON of the generated image. Returned by default for GPT image models, or when `response_format` is set to `b64_json` for models that support that parameter. - `revised_prompt: optional string` The revised prompt used to generate the image, for models that support prompt revision. Not returned by GPT image models. - `url: optional string` The URL of the generated image when `response_format` is set to `url` for models that support that parameter. Unsupported for GPT image models. - `output_format: optional "png" or "webp" or "jpeg"` The output format of the image generation. Either `png`, `webp`, or `jpeg`. - `"png"` - `"webp"` - `"jpeg"` - `quality: optional "low" or "medium" or "high" or 2 more` The quality of the image generated. One of `low`, `medium`, `high`, `xhigh`, or `max`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. - `size: optional string or "1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `usage: optional object { input_tokens, input_tokens_details, output_tokens, 2 more }` For `gpt-image-1` only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of output tokens generated by the model. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `output_tokens_details: optional object { image_tokens, text_tokens }` The output token details for the image generation. - `image_tokens: number` The number of image output tokens generated by the model. - `text_tokens: number` The number of text output tokens generated by the model. ### Example ```http curl https://api.openai.com/v1/images/generations \ -H 'Content-Type: application/json' \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -d '{ "model": "gpt-image-2.5-flare", "prompt": "A cute baby sea otter", "background": "transparent", "moderation": "low", "n": 1, "output_compression": 100, "output_format": "png", "partial_images": 1, "quality": "medium", "safety_identifier": "user-1234", "size": "1024x1024", "style": "vivid", "user": "user-1234" }' ``` #### Response ```json { "created": 0, "background": "transparent", "data": [ { "b64_json": "b64_json", "revised_prompt": "revised_prompt", "url": "https://example.com" } ], "output_format": "png", "quality": "low", "safety_identifier": "safety_identifier", "size": "1024x1024", "usage": { "input_tokens": 0, "input_tokens_details": { "image_tokens": 0, "text_tokens": 0 }, "output_tokens": 0, "total_tokens": 0, "output_tokens_details": { "image_tokens": 0, "text_tokens": 0 } } } ``` ### Generate image ```http curl https://api.openai.com/v1/images/generations \ -H "Content-Type: application/json" \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -d '{ "model": "gpt-image-2.5-flare", "prompt": "A cute baby sea otter", "n": 1, "size": "1024x1024" }' ``` #### Response ```json { "created": 1713833628, "data": [ { "b64_json": "..." } ], "usage": { "total_tokens": 100, "input_tokens": 50, "output_tokens": 50, "input_tokens_details": { "text_tokens": 10, "image_tokens": 40 } } } ``` ### Streaming ```http curl https://api.openai.com/v1/images/generations \ -H "Content-Type: application/json" \ -H "Authorization: Bearer $OPENAI_API_KEY" \ -d '{ "model": "gpt-image-2.5-flare", "prompt": "A cute baby sea otter", "n": 1, "size": "1024x1024", "stream": true }' \ --no-buffer ``` #### Response ```json event: image_generation.partial_image data: {"type":"image_generation.partial_image","b64_json":"...","partial_image_index":0} event: image_generation.completed data: {"type":"image_generation.completed","b64_json":"...","usage":{"total_tokens":100,"input_tokens":50,"output_tokens":50,"input_tokens_details":{"text_tokens":10,"image_tokens":40}}} ``` ## Domain Types ### Image - `Image object { b64_json, revised_prompt, url }` Represents the content or the URL of an image generated by the OpenAI API. - `b64_json: optional string` The base64-encoded JSON of the generated image. Returned by default for GPT image models, or when `response_format` is set to `b64_json` for models that support that parameter. - `revised_prompt: optional string` The revised prompt used to generate the image, for models that support prompt revision. Not returned by GPT image models. - `url: optional string` The URL of the generated image when `response_format` is set to `url` for models that support that parameter. Unsupported for GPT image models. ### Image Edit Completed Event - `ImageEditCompletedEvent object { b64_json, background, created_at, 6 more }` Emitted when image editing has completed and the final image is available. - `b64_json: string` Base64-encoded final edited image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the edited image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the edited image. - `"png"` - `"webp"` - `"jpeg"` - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the edited image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_edit.completed"` The type of the event. Always `image_edit.completed`. - `"image_edit.completed"` - `usage: object { input_tokens, input_tokens_details, output_tokens, total_tokens }` For the GPT image models only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of image tokens in the output image. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. ### Image Edit Partial Image Event - `ImageEditPartialImageEvent object { b64_json, background, created_at, 5 more }` Emitted when a partial image is available during image editing streaming. - `b64_json: string` Base64-encoded partial image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the requested edited image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the requested edited image. - `"png"` - `"webp"` - `"jpeg"` - `partial_image_index: number` 0-based index for the partial image (streaming). - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the requested edited image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_edit.partial_image"` The type of the event. Always `image_edit.partial_image`. - `"image_edit.partial_image"` ### Image Edit Stream Event - `ImageEditStreamEvent = ImageEditPartialImageEvent or ImageEditCompletedEvent` Emitted when a partial image is available during image editing streaming. - `ImageEditPartialImageEvent object { b64_json, background, created_at, 5 more }` Emitted when a partial image is available during image editing streaming. - `b64_json: string` Base64-encoded partial image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the requested edited image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the requested edited image. - `"png"` - `"webp"` - `"jpeg"` - `partial_image_index: number` 0-based index for the partial image (streaming). - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the requested edited image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_edit.partial_image"` The type of the event. Always `image_edit.partial_image`. - `"image_edit.partial_image"` - `ImageEditCompletedEvent object { b64_json, background, created_at, 6 more }` Emitted when image editing has completed and the final image is available. - `b64_json: string` Base64-encoded final edited image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the edited image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the edited image. - `"png"` - `"webp"` - `"jpeg"` - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the edited image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_edit.completed"` The type of the event. Always `image_edit.completed`. - `"image_edit.completed"` - `usage: object { input_tokens, input_tokens_details, output_tokens, total_tokens }` For the GPT image models only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of image tokens in the output image. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. ### Image Gen Completed Event - `ImageGenCompletedEvent object { b64_json, background, created_at, 6 more }` Emitted when image generation has completed and the final image is available. - `b64_json: string` Base64-encoded image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the generated image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the generated image. - `"png"` - `"webp"` - `"jpeg"` - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the generated image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_generation.completed"` The type of the event. Always `image_generation.completed`. - `"image_generation.completed"` - `usage: object { input_tokens, input_tokens_details, output_tokens, total_tokens }` For the GPT image models only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of image tokens in the output image. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. ### Image Gen Partial Image Event - `ImageGenPartialImageEvent object { b64_json, background, created_at, 5 more }` Emitted when a partial image is available during image generation streaming. - `b64_json: string` Base64-encoded partial image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the requested image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the requested image. - `"png"` - `"webp"` - `"jpeg"` - `partial_image_index: number` 0-based index for the partial image (streaming). - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the requested image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_generation.partial_image"` The type of the event. Always `image_generation.partial_image`. - `"image_generation.partial_image"` ### Image Gen Stream Event - `ImageGenStreamEvent = ImageGenPartialImageEvent or ImageGenCompletedEvent` Emitted when a partial image is available during image generation streaming. - `ImageGenPartialImageEvent object { b64_json, background, created_at, 5 more }` Emitted when a partial image is available during image generation streaming. - `b64_json: string` Base64-encoded partial image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the requested image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the requested image. - `"png"` - `"webp"` - `"jpeg"` - `partial_image_index: number` 0-based index for the partial image (streaming). - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the requested image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_generation.partial_image"` The type of the event. Always `image_generation.partial_image`. - `"image_generation.partial_image"` - `ImageGenCompletedEvent object { b64_json, background, created_at, 6 more }` Emitted when image generation has completed and the final image is available. - `b64_json: string` Base64-encoded image data, suitable for rendering as an image. - `background: "transparent" or "opaque" or "auto"` The background setting for the generated image. - `"transparent"` - `"opaque"` - `"auto"` - `created_at: number` The Unix timestamp when the event was created. - `output_format: "png" or "webp" or "jpeg"` The output format for the generated image. - `"png"` - `"webp"` - `"jpeg"` - `quality: "low" or "medium" or "high" or 3 more` The quality setting for the generated image. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `"auto"` - `size: string or "1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024" or "auto"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `"auto"` - `type: "image_generation.completed"` The type of the event. Always `image_generation.completed`. - `"image_generation.completed"` - `usage: object { input_tokens, input_tokens_details, output_tokens, total_tokens }` For the GPT image models only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of image tokens in the output image. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. ### Image Model - `ImageModel = "gpt-image-1.5" or "gpt-image-2" or "gpt-image-2-2026-04-21" or 9 more` - `"gpt-image-1.5"` - `"gpt-image-2"` - `"gpt-image-2-2026-04-21"` - `"gpt-image-2.5-sunburst"` - `"gpt-image-2.5-sunburst-2026-09-08"` - `"gpt-image-2.5-flare"` - `"gpt-image-2.5-flare-2026-09-08"` - `"gpt-image-1"` - `"gpt-image-1-mini"` - `"chatgpt-image-latest"` - `"dall-e-2"` - `"dall-e-3"` ### Images Response - `ImagesResponse object { created, background, data, 5 more }` The response from the image generation endpoint. - `created: number` The Unix timestamp (in seconds) of when the image was created. - `background: optional "transparent" or "opaque"` The background parameter used for the image generation. Either `transparent` or `opaque`. - `"transparent"` - `"opaque"` - `data: optional array of Image` The list of generated images. - `b64_json: optional string` The base64-encoded JSON of the generated image. Returned by default for GPT image models, or when `response_format` is set to `b64_json` for models that support that parameter. - `revised_prompt: optional string` The revised prompt used to generate the image, for models that support prompt revision. Not returned by GPT image models. - `url: optional string` The URL of the generated image when `response_format` is set to `url` for models that support that parameter. Unsupported for GPT image models. - `output_format: optional "png" or "webp" or "jpeg"` The output format of the image generation. Either `png`, `webp`, or `jpeg`. - `"png"` - `"webp"` - `"jpeg"` - `quality: optional "low" or "medium" or "high" or 2 more` The quality of the image generated. One of `low`, `medium`, `high`, `xhigh`, or `max`. - `"low"` - `"medium"` - `"high"` - `"xhigh"` - `"max"` - `safety_identifier: optional string or null` The effective safety identifier used for safety monitoring and abuse detection. This is the non-empty `safety_identifier` from the request, or the deprecated `user` value when `safety_identifier` is omitted, null, or empty. - `size: optional string or "1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `string` - `"1024x1024" or "1024x1536" or "1536x1024"` The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`. - `"1024x1024"` - `"1024x1536"` - `"1536x1024"` - `usage: optional object { input_tokens, input_tokens_details, output_tokens, 2 more }` For `gpt-image-1` only, the token usage information for the image generation. - `input_tokens: number` The number of tokens (images and text) in the input prompt. - `input_tokens_details: object { image_tokens, text_tokens }` The input tokens detailed information for the image generation. - `image_tokens: number` The number of image tokens in the input prompt. - `text_tokens: number` The number of text tokens in the input prompt. - `output_tokens: number` The number of output tokens generated by the model. - `total_tokens: number` The total number of tokens (images and text) used for the image generation. - `output_tokens_details: optional object { image_tokens, text_tokens }` The output token details for the image generation. - `image_tokens: number` The number of image output tokens generated by the model. - `text_tokens: number` The number of text output tokens generated by the model.