Video

MiniMax H3 Max (Reference)

Credit-based pricing. Supports reference images, reference video.

Try MiniMax H3 Max (Reference) →Compare models

Output

video

Aspect ratio

adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16

Resolution

480P, 768P

Duration

5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s

Inputs

Reference image (optional)
Reference video (optional)
Reference audio (optional)

Example prompt

Keep the character from Image 1 while following the motion and camera rhythm of Video 1

Try this prompt →

LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=minimax/h3-max/reference-to-video.

POST/api/v1/generate16 fields · 3 required

Field	Type	Requirement	Contract
`model_id`	constant	Required	ArtEmotion model identifier.
`extra`	object	Optional	Model-specific settings may also be nested here.
`max_credits`	number	Optional	Reject before submission if the estimated list price exceeds this cap. · Range: 1–…
`webhook_url`	string	Optional	Format: uri
`webhook_secret`	string	Optional	Optional model input.
`folder_id`	string	Optional	Optional model input.
`prompt`	string	Required	Optional model input.
`resolution`	string	Optional	Allowed: 480P, 768P
`seed`	integer	Optional	Optional model input.
`reference_audio_urls`	array<string>	Optional	Items: 0–3
`reference_video_urls`	array<string>	Optional	Items: 0–3
`enable_safety_checker`	boolean	Optional	Default: true
`reference_image_urls`	array<string>	Optional	Items: 0–9
`duration`	integer	Optional	Allowed: 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 · Default: 5 · Range: 5–15
`aspect_ratio`	string	Optional	Allowed: adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
`prompt_expansion_mode`	string	Required	MiniMax prompt-expansion strategy. · Default: balanced

Minimal request example

{
  "model_id": "minimax/h3-max/reference-to-video",
  "prompt": "Keep the character from Image 1 while following the motion and camera rhythm of Video 1",
  "prompt_expansion_mode": "balanced"
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=minimax%2Fh3-max%2Freference-to-video",
  "title": "MiniMax H3 Max (Reference) generation request",
  "description": "Request body accepted by POST /api/v1/generate for minimax/h3-max/reference-to-video.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "minimax/h3-max/reference-to-video",
      "description": "ArtEmotion model identifier."
    },
    "extra": {
      "type": "object",
      "additionalProperties": true,
      "description": "Model-specific settings may also be nested here."
    },
    "max_credits": {
      "type": "number",
      "minimum": 1,
      "description": "Reject before submission if the estimated list price exceeds this cap."
    },
    "webhook_url": {
      "type": "string",
      "format": "uri",
      "maxLength": 2048
    },
    "webhook_secret": {
      "type": "string",
      "maxLength": 512
    },
    "folder_id": {
      "type": "string"
    },
    "prompt": {
      "type": "string",
      "minLength": 1,
      "maxLength": 50000
    },
    "resolution": {
      "type": "string",
      "enum": [
        "480P",
        "768P"
      ]
    },
    "seed": {
      "title": "Seed",
      "type": "integer"
    },
    "reference_audio_urls": {
      "title": "Reference Audio URLs",
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "maxItems": 3
    },
    "reference_video_urls": {
      "title": "Reference Video URLs",
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "maxItems": 3
    },
    "enable_safety_checker": {
      "title": "Safety Checker",
      "default": true,
      "type": "boolean"
    },
    "reference_image_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "maxItems": 9
    },
    "duration": {
      "type": "integer",
      "title": "Duration",
      "default": 5,
      "minimum": 5,
      "maximum": 15,
      "multipleOf": 1,
      "enum": [
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15
      ]
    },
    "aspect_ratio": {
      "type": "string",
      "enum": [
        "adaptive",
        "21:9",
        "16:9",
        "4:3",
        "1:1",
        "3:4",
        "9:16"
      ]
    },
    "prompt_expansion_mode": {
      "title": "Prompt Expansion Mode",
      "description": "MiniMax prompt-expansion strategy.",
      "default": "balanced",
      "type": "string"
    }
  },
  "required": [
    "model_id",
    "prompt",
    "prompt_expansion_mode"
  ],
  "additionalProperties": false
}

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FAQ

How much does MiniMax H3 Max (Reference) cost on ArtEmotion?

Credit-based pricing. You pay in ArtEmotion credits — every plan and top-up converts USD to credits at a fixed rate.

Do I get my credits back if MiniMax H3 Max (Reference) fails?

Yes — failed generations are never charged. The credits are released back to your balance automatically.

Can I call MiniMax H3 Max (Reference) from the API?

Yes. Use POST /api/v1/generate with model_id: "minimax/h3-max/reference-to-video". See the API reference for the full schema.

Where are my generations stored?

Every output is saved to your personal Library. You can export or delete everything any time from Privacy & deletion.

Ready to generate with MiniMax H3 Max (Reference)?

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