Video

LTX 2.3

Credit-based pricing. Supports audio generation.

Try LTX 2.3 →Compare models

Output

video

Aspect ratio

16:9, 9:16

Resolution

1080p, 1440p, 2160p

Duration

6s, 8s, 10s

Inputs

Generates audio

Example prompt

Ruins of an ancient stone temple swallowed by a dense rainforest, thick vines cascading down carved columns, shafts of golden light piercing the canopy, parrots launching from mossy archways, cinematic wide shot

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LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=ltx-t2v.

POST/api/v1/generate12 fields · 2 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.
`generate_audio`	boolean	Optional	Whether to generate audio for the generated video · Default: true
`fps`	number	Optional	The frames per second of the generated video · Allowed: 24, 25, 48, 50 · Default: 25
`aspect_ratio`	string	Optional	Allowed: 16:9, 9:16
`resolution`	string	Optional	Allowed: 1080p, 1440p, 2160p
`duration`	number	Optional	Allowed: 6, 8, 10

Minimal request example

{
  "model_id": "ltx-t2v",
  "prompt": "Ruins of an ancient stone temple swallowed by a dense rainforest, thick vines cascading down carved columns, shafts of golden light piercing the canopy, parrots launching from mossy archways, cinematic wide shot"
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=ltx-t2v",
  "title": "LTX 2.3 generation request",
  "description": "Request body accepted by POST /api/v1/generate for ltx-t2v.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "ltx-t2v",
      "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"
    },
    "generate_audio": {
      "title": "Generate Audio",
      "description": "Whether to generate audio for the generated video",
      "default": true,
      "type": "boolean"
    },
    "fps": {
      "title": "Fps",
      "description": "The frames per second of the generated video",
      "default": 25,
      "type": "number",
      "enum": [
        24,
        25,
        48,
        50
      ]
    },
    "aspect_ratio": {
      "type": "string",
      "enum": [
        "16:9",
        "9:16"
      ]
    },
    "resolution": {
      "type": "string",
      "enum": [
        "1080p",
        "1440p",
        "2160p"
      ]
    },
    "duration": {
      "type": "number",
      "enum": [
        6,
        8,
        10
      ]
    }
  },
  "required": [
    "model_id",
    "prompt"
  ],
  "additionalProperties": false
}

Browse schemas for every ArtEmotion model →

FAQ

How much does LTX 2.3 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 LTX 2.3 fails?

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

Can I call LTX 2.3 from the API?

Yes. Use POST /api/v1/generate with model_id: "ltx-t2v". 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.

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