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LTX-2 is a 19B parameter DiT-based audio-video foundation model by Lightricks. It generates synchronized video and audio in a single pass, creating cohesive experiences where motion, dialogue, background noise, and music are produced together.
Make sure your ComfyUI is updated.Workflows in this guide can be found in the Workflow Templates. If you can’t find them in the template, your ComfyUI may be outdated.If nodes are missing when loading a workflow, possible reasons:
  1. You are not using the latest ComfyUI version (Nightly version)
  2. Some nodes failed to import at startup

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Key features

  • Synchronized audio-video generation: Generates motion, dialogue, SFX, and music together in one pass
  • Multiple generation modes: Text-to-video, image-to-video, and video-to-video
  • Control options: Canny, Depth, and Pose video-to-video control via IC-LoRAs
  • Keyframe-driven generation: Interpolate between keyframe images
  • Native upscaling: Spatial (2x) and temporal (2x) upscalers for higher resolution and FPS
  • Prompt enhancement: Automatic prompt enhancement support

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Model checkpoints

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Getting started

LTX-2 is natively supported in ComfyUI. To get started:
  1. Update ComfyUI to the latest version
  2. Go to Template Library > Video > choose any LTX-2 workflow
  3. Follow the pop-up to download models and run the workflow

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Workflows

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Text-to-video

Generate videos from text prompts. ComfyUI Workflow - LTX-2 T2V

Text-to-Video

Download workflow

Run on Comfy Cloud

Open in cloud
Distilled version (faster, 8 steps): ComfyUI Workflow - LTX-2 T2V Distilled

Text-to-Video Distilled

Download workflow

Run on Comfy Cloud

Open in cloud

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Image-to-video

Generate videos from an input image. ComfyUI Workflow - LTX-2 I2V

Image-to-Video

Download workflow

Run on Comfy Cloud

Open in cloud
Input materials

Input Image

Download the default input image, or use your own image.
Distilled version (faster, 8 steps): ComfyUI Workflow - LTX-2 I2V Distilled

Image-to-Video Distilled

Download workflow

Run on Comfy Cloud

Open in cloud
Input materials

Input Image

Download the default input image, or use your own image.

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Control-to-video

Generate videos with structural control using IC-LoRAs. Depth control: ComfyUI Workflow - LTX-2 Depth to Video

Depth-to-Video

Download workflow

Run on Comfy Cloud

Open in cloud
Input materials

Input Image

Download the default depth input image, or use your own.

Input Video

Download the default input video, or use your own.
Canny control: ComfyUI Workflow - LTX-2 Canny to Video

Canny-to-Video

Download workflow

Run on Comfy Cloud

Open in cloud
Input materials

Input Image

Download the default canny input image, or use your own.

Input Video

Download the default input video, or use your own.
Pose control: ComfyUI Workflow - LTX-2 Pose to Video

Pose-to-Video

Download workflow

Run on Comfy Cloud

Open in cloud
Input materials

Input Image

Download the default pose input image, or use your own.

Input Video

Download the default input video, or use your own.

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Prompting tips

When writing prompts for LTX-2, focus on detailed, chronological descriptions of actions and scenes. Include specific movements, appearances, camera angles, and environmental details in a single flowing paragraph. Start directly with the action and keep descriptions literal and precise. Structure your prompts with:
  • Main action in a single sentence
  • Specific details about movements and gestures
  • Character/object appearances
  • Background and environment details
  • Camera angles and movements
  • Lighting and colors
  • Any changes or sudden events
Keep prompts within 200 words for best results.

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Resources