Video

LTX-2.3 (T2V LoRA)

Credit-based pricing. Supports audio generation.

Try LTX-2.3 (T2V LoRA) →Compare models

Output

video

Aspect ratio

16:9, 9:16, 1:1

Resolution

1080p, 1440p, 2160p

Duration

3s, 4s, 5s, 6s, 7s, 8s, 10s

Inputs

Generates audio

Example prompt

A playful golden retriever puppy squishes comically flat on a wooden floor, wagging tail blurred, warm living room, bouncy loop

Try this prompt →

LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=fal-ai/ltx-2.3-22b/text-to-video/lora.

POST/api/v1/generate44 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.
`generate_audio`	boolean	Optional	Whether to generate audio for the video. · Default: true
`audio_stg_scale`	number	Optional	The Spatiotemporal Guidance (STG) scale for the audio. Higher values result in more consistent and focused audio content. · Default: 0 · Range: 0–20
`seed`	integer	Optional	The seed for the random number generator.
`use_multiscale`	boolean	Optional	Whether to use multi-scale generation. If True, the model will generate the video at a smaller scale first, then use the smaller video to guide the ge · Default: true
`audio_modality_scale`	number	Optional	The modality scale for the audio. Controls the ratio between video and audio modalities. · Default: 3 · Range: 0–10
`use_restart_sampling`	boolean	Optional	Whether to use restart sampling. This will inject a small amount of noise during each denoising step, which can help improve the quality of the genera · Default: false
`scheduler`	string	Optional	The scheduler to use. · Allowed: ltx2, linear_quadratic, beta · Default: ltx2
`distill_lora_first_pass_scale`	number	Optional	The scale of the distill LoRA to use for the first pass. Set to 0 to disable. · Default: 0.2 · Range: 0–1
`gradient_estimation_gamma`	number	Optional	The gamma of gradient estimation during denoising. Set to 0 to disable. · Default: 2 · Range: 0–10
`distill_lora_second_pass_scale`	number	Optional	The scale of the distill LoRA to use for the second and subsequent passes. · Default: 0.5 · Range: 0–1
`num_frames`	number	Optional	The number of frames to generate. · Default: 121 · Range: 9–481
`acceleration`	string	Optional	The acceleration level to use. · Allowed: none, regular, high, full · Default: regular
`video_output_type`	string	Optional	The output type of the generated video. · Allowed: X264 (.mp4), VP9 (.webm), PRORES4444 (.mov), GIF (.gif) · Default: X264 (.mp4)
`video_rescaling_scale`	number	Optional	The rescaling scale for the video. Controls the ratio between classifier-free guidance and spatiotemporal guidance. · Default: 0.7 · Range: 0–1
`video_write_mode`	string	Optional	The write mode of the generated video. · Allowed: fast, balanced, small · Default: balanced
`video_modality_scale`	number	Optional	The modality scale for the video. Controls the ratio between video and audio modalities. · Default: 3 · Range: 0–10
`audio_rescaling_scale`	number	Optional	The rescaling scale for the audio. Controls the ratio between classifier-free guidance and spatiotemporal guidance. · Default: 0.7 · Range: 0–1
`camera_lora`	string	Optional	The camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move th · Allowed: dolly_in, dolly_out, dolly_left, dolly_right, jib_up, jib_down, static, none · Default: none
`video_quality`	string	Optional	The quality of the generated video. · Allowed: low, medium, high, maximum · Default: high
`camera_lora_scale`	number	Optional	The scale of the camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the mod · Default: 1 · Range: 0–1
`video_stg_scale`	number	Optional	The Spatiotemporal Guidance (STG) scale for the video. Higher values result in more consistent and focused video content. · Default: 0 · Range: 0–20
`video_cfg_scale`	number	Optional	The Classifier-Free Guidance (CFG) scale for the video. Higher values result in more consistent and focused video content. · Default: 3 · Range: 1–20
`num_inference_steps`	number	Optional	The number of inference steps to use. · Default: 40 · Range: 8–50
`negative_prompt`	string	Optional	The negative prompt to generate the video from. · Default: news broadcast, 3d animation, computer graphics, pc game, console game, video game, cartoon, childish, watermark, logo, text, on screen text, subtitles, titles, signature, slowmo, static
`enable_prompt_expansion`	boolean	Optional	Whether to enable prompt expansion. · Default: true
`enable_safety_checker`	boolean	Optional	Run the safety checker to block unsafe content. · Default: true
`fps`	number	Optional	The frames per second of the generated video. · Default: 24 · Range: 1–60
`audio_cfg_scale`	number	Optional	The Classifier-Free Guidance (CFG) scale for the audio. Higher values result in more consistent and focused audio content. · Default: 7 · Range: 1–20
`lora_path`	string	Required	URL or Hugging Face path to LoRA weights. Required for this model.
`lora_scale`	number	Optional	Strength of the LoRA effect. · Default: 1 · Range: 0–4
`lora_path_2`	string	Optional	URL or Hugging Face path to a second LoRA.
`lora_scale_2`	number	Optional	Strength of the second LoRA. · Default: 1 · Range: 0–4
`lora_path_3`	string	Optional	URL or Hugging Face path to a third LoRA.
`lora_scale_3`	number	Optional	Strength of the third LoRA. · Default: 1 · Range: 0–4
`aspect_ratio`	string	Optional	Allowed: 16:9, 9:16, 1:1
`resolution`	string	Optional	Allowed: 1080p, 1440p, 2160p
`duration`	number	Optional	Allowed: 3, 4, 5, 6, 7, 8, 10

Minimal request example

{
  "model_id": "fal-ai/ltx-2.3-22b/text-to-video/lora",
  "prompt": "A playful golden retriever puppy squishes comically flat on a wooden floor, wagging tail blurred, warm living room, bouncy loop",
  "lora_path": "your_lora_path"
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fltx-2.3-22b%2Ftext-to-video%2Flora",
  "title": "LTX-2.3 (T2V LoRA) generation request",
  "description": "Request body accepted by POST /api/v1/generate for fal-ai/ltx-2.3-22b/text-to-video/lora.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "fal-ai/ltx-2.3-22b/text-to-video/lora",
      "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 video.",
      "default": true,
      "type": "boolean"
    },
    "audio_stg_scale": {
      "title": "Audio Stg Scale",
      "description": "The Spatiotemporal Guidance (STG) scale for the audio. Higher values result in more consistent and focused audio content.",
      "default": 0,
      "type": "number",
      "minimum": 0,
      "maximum": 20
    },
    "seed": {
      "title": "Seed",
      "description": "The seed for the random number generator.",
      "type": "integer"
    },
    "use_multiscale": {
      "title": "Use Multiscale",
      "description": "Whether to use multi-scale generation. If True, the model will generate the video at a smaller scale first, then use the smaller video to guide the ge",
      "default": true,
      "type": "boolean"
    },
    "audio_modality_scale": {
      "title": "Audio Modality Scale",
      "description": "The modality scale for the audio. Controls the ratio between video and audio modalities.",
      "default": 3,
      "type": "number",
      "minimum": 0,
      "maximum": 10
    },
    "use_restart_sampling": {
      "title": "Use Restart Sampling",
      "description": "Whether to use restart sampling. This will inject a small amount of noise during each denoising step, which can help improve the quality of the genera",
      "default": false,
      "type": "boolean"
    },
    "scheduler": {
      "title": "Scheduler",
      "description": "The scheduler to use.",
      "default": "ltx2",
      "type": "string",
      "enum": [
        "ltx2",
        "linear_quadratic",
        "beta"
      ]
    },
    "distill_lora_first_pass_scale": {
      "title": "Distill Lora First Pass Scale",
      "description": "The scale of the distill LoRA to use for the first pass. Set to 0 to disable.",
      "default": 0.2,
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "gradient_estimation_gamma": {
      "title": "Gradient Estimation Gamma",
      "description": "The gamma of gradient estimation during denoising. Set to 0 to disable.",
      "default": 2,
      "type": "number",
      "minimum": 0,
      "maximum": 10
    },
    "distill_lora_second_pass_scale": {
      "title": "Distill Lora Second Pass Scale",
      "description": "The scale of the distill LoRA to use for the second and subsequent passes.",
      "default": 0.5,
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "num_frames": {
      "title": "Num Frames",
      "description": "The number of frames to generate.",
      "default": 121,
      "type": "number",
      "minimum": 9,
      "maximum": 481,
      "multipleOf": 1
    },
    "acceleration": {
      "title": "Acceleration",
      "description": "The acceleration level to use.",
      "default": "regular",
      "type": "string",
      "enum": [
        "none",
        "regular",
        "high",
        "full"
      ]
    },
    "video_output_type": {
      "title": "Video Output Type",
      "description": "The output type of the generated video.",
      "default": "X264 (.mp4)",
      "type": "string",
      "enum": [
        "X264 (.mp4)",
        "VP9 (.webm)",
        "PRORES4444 (.mov)",
        "GIF (.gif)"
      ]
    },
    "video_rescaling_scale": {
      "title": "Video Rescaling Scale",
      "description": "The rescaling scale for the video. Controls the ratio between classifier-free guidance and spatiotemporal guidance.",
      "default": 0.7,
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "video_write_mode": {
      "title": "Video Write Mode",
      "description": "The write mode of the generated video.",
      "default": "balanced",
      "type": "string",
      "enum": [
        "fast",
        "balanced",
        "small"
      ]
    },
    "video_modality_scale": {
      "title": "Video Modality Scale",
      "description": "The modality scale for the video. Controls the ratio between video and audio modalities.",
      "default": 3,
      "type": "number",
      "minimum": 0,
      "maximum": 10
    },
    "audio_rescaling_scale": {
      "title": "Audio Rescaling Scale",
      "description": "The rescaling scale for the audio. Controls the ratio between classifier-free guidance and spatiotemporal guidance.",
      "default": 0.7,
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "camera_lora": {
      "title": "Camera LoRA",
      "description": "The camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move th",
      "default": "none",
      "type": "string",
      "enum": [
        "dolly_in",
        "dolly_out",
        "dolly_left",
        "dolly_right",
        "jib_up",
        "jib_down",
        "static",
        "none"
      ]
    },
    "video_quality": {
      "title": "Video Quality",
      "description": "The quality of the generated video.",
      "default": "high",
      "type": "string",
      "enum": [
        "low",
        "medium",
        "high",
        "maximum"
      ]
    },
    "camera_lora_scale": {
      "title": "Camera LoRA Scale",
      "description": "The scale of the camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the mod",
      "default": 1,
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "video_stg_scale": {
      "title": "Video Stg Scale",
      "description": "The Spatiotemporal Guidance (STG) scale for the video. Higher values result in more consistent and focused video content.",
      "default": 0,
      "type": "number",
      "minimum": 0,
      "maximum": 20
    },
    "video_cfg_scale": {
      "title": "Video Cfg Scale",
      "description": "The Classifier-Free Guidance (CFG) scale for the video. Higher values result in more consistent and focused video content.",
      "default": 3,
      "type": "number",
      "minimum": 1,
      "maximum": 20
    },
    "num_inference_steps": {
      "title": "Num Inference Steps",
      "description": "The number of inference steps to use.",
      "default": 40,
      "type": "number",
      "minimum": 8,
      "maximum": 50,
      "multipleOf": 1
    },
    "negative_prompt": {
      "title": "Negative Prompt",
      "description": "The negative prompt to generate the video from.",
      "default": "news broadcast, 3d animation, computer graphics, pc game, console game, video game, cartoon, childish, watermark, logo, text, on screen text, subtitles, titles, signature, slowmo, static",
      "type": "string"
    },
    "enable_prompt_expansion": {
      "title": "Enable Prompt Expansion",
      "description": "Whether to enable prompt expansion.",
      "default": true,
      "type": "boolean"
    },
    "enable_safety_checker": {
      "title": "Enable Safety Checker",
      "description": "Run the safety checker to block unsafe content.",
      "default": true,
      "type": "boolean"
    },
    "fps": {
      "title": "Fps",
      "description": "The frames per second of the generated video.",
      "default": 24,
      "type": "number",
      "minimum": 1,
      "maximum": 60
    },
    "audio_cfg_scale": {
      "title": "Audio Cfg Scale",
      "description": "The Classifier-Free Guidance (CFG) scale for the audio. Higher values result in more consistent and focused audio content.",
      "default": 7,
      "type": "number",
      "minimum": 1,
      "maximum": 20
    },
    "lora_path": {
      "title": "LoRA Path",
      "description": "URL or Hugging Face path to LoRA weights. Required for this model.",
      "type": "string"
    },
    "lora_scale": {
      "title": "LoRA Scale",
      "description": "Strength of the LoRA effect.",
      "default": 1,
      "type": "number",
      "minimum": 0,
      "maximum": 4,
      "multipleOf": 0.05
    },
    "lora_path_2": {
      "title": "LoRA Path 2",
      "description": "URL or Hugging Face path to a second LoRA.",
      "type": "string"
    },
    "lora_scale_2": {
      "title": "LoRA Scale 2",
      "description": "Strength of the second LoRA.",
      "default": 1,
      "type": "number",
      "minimum": 0,
      "maximum": 4,
      "multipleOf": 0.05
    },
    "lora_path_3": {
      "title": "LoRA Path 3",
      "description": "URL or Hugging Face path to a third LoRA.",
      "type": "string"
    },
    "lora_scale_3": {
      "title": "LoRA Scale 3",
      "description": "Strength of the third LoRA.",
      "default": 1,
      "type": "number",
      "minimum": 0,
      "maximum": 4,
      "multipleOf": 0.05
    },
    "aspect_ratio": {
      "type": "string",
      "enum": [
        "16:9",
        "9:16",
        "1:1"
      ]
    },
    "resolution": {
      "type": "string",
      "enum": [
        "1080p",
        "1440p",
        "2160p"
      ]
    },
    "duration": {
      "type": "number",
      "enum": [
        3,
        4,
        5,
        6,
        7,
        8,
        10
      ]
    }
  },
  "required": [
    "model_id",
    "prompt",
    "lora_path"
  ],
  "additionalProperties": false
}

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FAQ

How much does LTX-2.3 (T2V LoRA) 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 (T2V LoRA) fails?

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

Can I call LTX-2.3 (T2V LoRA) from the API?

Yes. Use POST /api/v1/generate with model_id: "fal-ai/ltx-2.3-22b/text-to-video/lora". 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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