> ## Documentation Index > Fetch the complete documentation index at: https://docs.linkmodel.ai/llms.txt > Use this file to discover all available pages before exploring further. # gpt-image-2.5-sunburst > A precision-focused visual generation and editing model supporting multiple references, mask-guided changes, custom dimensions, and transparent backgrounds for demanding creative production. ## OpenAPI ````yaml /openapi/image/gpt-image-2-5-sunburst.yaml post /images/generations openapi: 3.0.3 info: title: gpt-image-2.5-sunburst version: 1.0.0 description: >- A precision-focused visual generation and editing model supporting multiple references, mask-guided changes, custom dimensions, and transparent backgrounds for demanding creative production. x-linkmodel-sort-weight: 99202609099 servers: - url: https://api.linkmodel.ai/v1 description: Production security: - bearerAuth: [] tags: - name: OpenAI - name: image paths: /images/generations: post: tags: - OpenAI - image summary: gpt-image-2.5-sunburst description: > A precision-focused visual generation and editing model supporting multiple references, mask-guided changes, custom dimensions, and transparent backgrounds for demanding creative production. | | | | --- | --- | | **Provider** | OpenAI | | **Tasks** | text-to-image · image-to-image | | **Starting from** | 0.9375 USD / token · Pricing details | ## Task lifecycle This endpoint creates an asynchronous task. Poll `GET /images/generations/{task_id}` with the returned `task_id` until the task reaches a terminal state. If the POST request times out or its result is uncertain, do not blindly retry it. The original request may already have created another task and billing order. Completed asset URLs are dynamically signed. Download or copy assets that must be retained instead of treating the URLs as permanent identifiers. operationId: gpt-image-2-5-sunburst requestBody: required: true content: application/json: schema: type: object properties: model: type: string enum: - gpt-image-2.5-sunburst default: gpt-image-2.5-sunburst description: >- Must be one of: gpt-image-2.5-sunburst. Defaults to `gpt-image-2.5-sunburst`. prompt: type: string minLength: 1 maxLength: 32000 description: Length must be between 1 and 32000. images: type: array minItems: 1 maxItems: 16 items: type: string format: url description: Upload 1 to 16 reference images for image editing. extends.edit.mask: type: string format: url description: >- Optional mask for local editing; transparent areas are regenerated. This field's allowed values depend on: images. size: type: string default: auto description: >- Each side <= 3840, both sides multiples of 16, ratio <= 3:1, total pixels 655360 to 8294400. Defaults to `auto`. quality: type: string enum: - auto - high - low - max - medium - xhigh default: auto description: >- Must be one of: auto, high, low, max, medium, xhigh. Defaults to `auto`. max_images: type: integer default: 1 minimum: 1 maximum: 10 description: Must be between 1 and 10. Defaults to `1`. output_format: type: string enum: - jpeg - png - webp default: png description: 'Must be one of: jpeg, png, webp. Defaults to `png`.' output_compression: type: integer minimum: 0 maximum: 100 description: >- Only valid when output_format is jpeg or webp. Value is in %. This field's allowed values depend on: output_format. background: type: string enum: - auto - opaque - transparent default: auto description: >- Must be one of: auto, opaque, transparent. Defaults to `auto`. **Conditional limits:** - transparent background requires png or webp output_format moderation: type: string enum: - auto - low default: auto description: 'Must be one of: auto, low. Defaults to `auto`.' required: - model - prompt responses: '200': description: >- Business response. `code=0` means the task was accepted; validation failures can return HTTP 200 with `code=400`. content: application/json: schema: oneOf: - type: object required: - code - data - msg properties: code: type: integer enum: - 0 example: 0 data: type: object required: - task_id properties: task_id: type: string description: Use this id to poll task status. example: aurora_abc123 order_id: type: string description: Billing order id. example: 019da9cf-d1db-78e1-ac23-526774d01193 status: type: string example: Processing price: type: number description: Charged amount in the model's pricing currency. example: 0.074 msg: type: string example: success request_id: type: string format: uuid example: 250b66dd-e1fb-4bb6-b5f6-c668efadc35d - type: object required: - code - msg properties: code: type: integer enum: - 400 example: 400 data: type: object example: {} msg: type: string example: model is required request_id: type: string format: uuid example: 96be7a7d-3e81-4916-a6b8-19b32773a693 '400': description: >- Malformed HTTP request rejected by the Gateway. Model and parameter validation may instead use HTTP 200 with business `code=400`. content: application/json: schema: type: object properties: code: type: integer example: 400 msg: type: string example: task_id is required request_id: type: string format: uuid example: 96be7a7d-3e81-4916-a6b8-19b32773a693 '401': description: Unauthorized — missing or invalid API key. content: application/json: schema: type: object properties: code: type: integer example: 401 data: type: object example: {} msg: type: string example: invalid api key request_id: type: string format: uuid example: bff4c295-c7da-4507-9708-4627cb6373ba '500': description: Internal error — task creation failed (e.g. insufficient balance). content: application/json: schema: type: object properties: code: type: integer example: 500 msg: type: string example: >- create task failed: billing: code=100601: insufficient balance request_id: type: string format: uuid example: 3409f6fb-fa9a-4534-b530-195b5f6f4e32 components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````