> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aihubmax.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Sora-2 Video Generation Preview

> - Sora 2 video generation model, supports text-to-video and image-to-video
 - Supports character consistency (character_ids)
- Async processing mode, use the returned task ID to [query task status](/pages/en/api-manual/task-management/get-task-detail)
- Generated video links are valid for 24 hours, please save them promptly




## OpenAPI

````yaml openapi/en/sora-2.json POST /v1/videos/generations
openapi: 3.1.0
info:
  title: Sora-2 Video Generation
  version: '1.0'
servers:
  - url: https://api.aihubmax.com
security:
  - BearerAuth: []
paths:
  /v1/videos/generations:
    post:
      tags:
        - Video > Sora2
      summary: Sora-2 Video Generation
      description: >
        - Sora 2 video generation model, supports text-to-video and
        image-to-video
         - Supports character consistency (character_ids)
        - Async processing mode, use the returned task ID to [query task
        status](/pages/en/api-manual/task-management/get-task-detail)

        - Generated video links are valid for 24 hours, please save them
        promptly
      operationId: sora-2
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Sora2GenRequest'
            examples:
              standard_text_to_video:
                summary: Standard text-to-video
                value:
                  model: sora-2
                  prompt: Ocean waves crashing on rocks at golden hour, cinematic
                  aspect_ratio: '16:9'
                  duration: 8
              standard_image_to_video:
                summary: Standard image-to-video
                value:
                  model: sora-2
                  prompt: The scene comes alive with gentle movement
                  image_urls:
                    - https://example.com/photo.jpg
                  duration: 4
              pro_text_to_video_with_1080p:
                summary: Pro text-to-video with 1080p
                value:
                  model: sora-2-pro
                  prompt: A cat playing in autumn leaves, cinematic lighting
                  resolution: 1080p
                  duration: 12
              text_to_video_with_character_consistency:
                summary: Text-to-video with character consistency
                value:
                  model: sora-2
                  prompt: Alice walks through a garden, the camera follows her
                  character_ids:
                    - char_xyz
                  duration: 8
              preserve_video_for_future_remixing:
                summary: Preserve video for future remixing
                value:
                  model: sora-2-pro
                  prompt: A lone astronaut stands on Mars, cinematic
                  delete_video: false
                  duration: 8
      responses:
        '200':
          $ref: '#/components/responses/TaskCreated'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
components:
  schemas:
    Sora2GenRequest:
      type: object
      required:
        - model
        - prompt
      properties:
        model:
          description: |-
            `sora-2`: Standard version
            `sora-2-pro`: Pro version, automatically generates audio
          examples:
            - sora-2
            - sora-2-pro
          type: string
          default: sora-2
        prompt:
          description: >
            Text prompt describing the video content you want to generate


            **Notes:**

            - Supports both Chinese and English

            - When using character_ids, reference characters by name in the
            prompt

            - Maximum `5000` characters
          maxLength: 5000
          type: string
          example: A lone astronaut stands on Mars, cinematic lighting
        image_urls:
          anyOf:
            - items:
                type: string
              type: array
            - type: 'null'
          default: null
          description: |
            Reference image URL list for image-to-video

            **Notes:**
            - Only supports 1 first-frame image
            - Must be a publicly accessible image URL
          example:
            - https://example.com/photo.jpg
        aspect_ratio:
          default: '16:9'
          description: |
            Output video aspect ratio

            **Options:**
            - `16:9` / `1280x720` — Landscape (default)
            - `9:16` / `720x1280` — Portrait
          type: string
          example: '16:9'
        duration:
          default: 4
          description: |
            Output video duration (seconds)

            **Options:** `4`, `8`, `12`, `16`, `20`
          type: integer
          example: 4
        resolution:
          default: 720p
          description: |
            Output video resolution

            **Options:**
            - `720p` — Standard definition (default)
            - `1080p` — High definition

            **Note:** sora-2-pro has higher pricing at 1080p
          enum:
            - 720p
            - 1080p
          type: string
        character_ids:
          anyOf:
            - items:
                type: string
              type: array
            - type: 'null'
          default: null
          description: |-
            Character ID list, maximum 2

            **Notes:**
            - Generated by the sora-2-character model
            - Reference characters by name in the prompt


            > Do not pass this parameter unless necessary.
          x-advanced: true
          example:
            - char_abc
        delete_video:
          default: true
          description: |-
            Whether to delete the video after retrieval

            **Notes:**
            - Default true (delete)
            - Set to false to preserve the video for subsequent sora-2-pro-remix


            > Do not pass this parameter unless necessary.
          type: boolean
          x-advanced: true
          example: true
    TaskResponse:
      type: object
      properties:
        created:
          type: integer
          description: Task creation timestamp
          example: 1757165031
        id:
          type: string
          description: Task ID
          example: task-unified-1757165031-uyujaw3d
        model:
          type: string
          description: Actual model name used
        object:
          type: string
          description: Specific task type
          enum:
            - video.generation.task
        progress:
          type: integer
          description: Task progress percentage (0-100)
          minimum: 0
          maximum: 100
          example: 0
        status:
          type: string
          description: Task status
          enum:
            - pending
            - processing
            - completed
            - failed
          example: pending
        task_info:
          type: object
          description: Async task information
          properties:
            can_cancel:
              type: boolean
              description: Whether the task can be cancelled
              example: true
            estimated_time:
              type: integer
              description: Estimated completion time (seconds)
              example: 45
        type:
          type: string
          description: Task output type
          enum:
            - video
          example: video
    ErrorResponse400:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Invalid request format
            type:
              type: string
              example: invalid_request_error
    ErrorResponse401:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Invalid API key
            type:
              type: string
              example: authentication_error
    ErrorResponse402:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Insufficient account balance
            type:
              type: string
              example: insufficient_quota
    ErrorResponse422:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Parameter validation failed
            type:
              type: string
              example: validation_error
    ErrorResponse429:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Rate limit exceeded
            type:
              type: string
              example: rate_limit_error
    ErrorResponse500:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Internal server error
            type:
              type: string
              example: server_error
    ErrorResponse503:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Service temporarily unavailable, please try again later
            type:
              type: string
              example: service_unavailable
  responses:
    TaskCreated:
      description: Task created successfully
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/TaskResponse'
    BadRequest:
      description: Bad Request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse400'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse401'
    PaymentRequired:
      description: Insufficient balance
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse402'
    UnprocessableEntity:
      description: Parameter validation failed
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse422'
    TooManyRequests:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse429'
    InternalServerError:
      description: Internal Server Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse500'
    ServiceUnavailable:
      description: Service Unavailable
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse503'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: |
        ## All APIs require Bearer Token authentication ##

        Add to request header:

        `Authorization: Bearer YOUR_API_KEY`

````