diff --git a/docs.json b/docs.json
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@@ -245,7 +245,8 @@
"group": "Video Generation",
"icon": "video",
"pages": [
- "video-generation"
+ "video-generation",
+ "examples/video-generation/ltx-video-2-3"
]
},
{
diff --git a/examples/video-generation/ltx-video-2-3.mdx b/examples/video-generation/ltx-video-2-3.mdx
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+---
+title: Generating Video with LTX-2.3 and ComfyUI
+slug: ltx-video-2-3-vast
+createdAt: Thu Mar 13 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
+updatedAt: Mon Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
+---
+
+
+
+[LTX-2.3](https://huggingface.co/Lightricks/LTX-2.3) is the first open-source model that generates synchronized video and audio together in a single pass. Built by Lightricks, this 22B-parameter Diffusion Transformer doesn't just create video — it produces matching audio at the same time, whether that's dialogue with lip-synced characters, ambient soundscapes, or music-driven visuals.
+
+What makes it stand out:
+
+- **Joint audio-video generation** — no need to generate video and audio separately and try to sync them
+- **Multiple generation modes** — text-to-video, image-to-video, audio-conditioned video, and keyframe interpolation
+- **Fast inference** — the distilled pipeline generates in just 8 denoising steps
+- **Open source** — full model weights available on HuggingFace, trainable with LoRA in under an hour
+
+Running LTX-2.3 requires a powerful GPU. Vast.ai gives you on-demand access to the hardware you need, and the pre-built ComfyUI template means you can go from zero to generating videos in minutes — no CLI, SSH, or manual setup required.
+
+## Find and rent your GPU
+
+1. **Setup your Vast account and add credit:** Review the [quickstart guide](/documentation/get-started/quickstart) if you do not have an account with credits loaded.
+2. **Deploy the LTX-2.3 template:** Go to the [LTX-2.3 model page](https://vast.ai/model/ltx-2-3) and click **Deploy Now**. This takes you to the Vast console with the LTX-2.3 ComfyUI template pre-selected.
+3. **Select a GPU:** Choose an instance from the list and click **Rent**.
+
+
+
+
+
+## Wait for provisioning
+
+After renting, the instance automatically downloads all required model weights. You'll see a loading screen while models download. On a fast connection this takes just a few minutes. Once complete, the instance status shows a green **Running** indicator.
+
+
+
+
+
+## Open ComfyUI
+
+Click the **Open** button on your instance to launch the Instance Portal. Click **Launch Application** under **ComfyUI** to open the visual workflow editor.
+
+
+
+
+
+In the left sidebar under **Workflows > Browse**, you'll see four pre-loaded workflows:
+
+| Workflow | Description |
+|----------|-------------|
+| `video_ltx2_3_t2v` | Text-to-Video |
+| `video_ltx2_3_i2v` | Image-to-Video |
+| `video_ltx2_3_ia2v` | Image + Audio-to-Video |
+| `video_ltx2_3_flf2v` | First & Last Frame Interpolation |
+
+## Text-to-Video
+
+Select **video_ltx2_3_t2v** from the sidebar. Enter a descriptive prompt in the **Video Generation** node — describe camera angles, lighting, and motion cinematically. Adjust width, height, and frame count if desired (defaults: 1280x720, 121 frames, 25 fps). Click **Run**.
+
+
+
+
+
+The workflow includes automatic prompt enhancement powered by Gemma 3, which expands short prompts into detailed cinematic descriptions.
+
+## Image-to-Video
+
+Select **video_ltx2_3_i2v**. Upload a reference image in the **Load Image** node (a sample Egyptian queen image is included). Enter a prompt describing how the image should come to life. Click **Run**. The model uses your image as the first frame and generates consistent motion.
+
+
+
+
+
+## Image + Audio-to-Video
+
+Select **video_ltx2_3_ia2v**. Upload a reference image and an audio file (a sample MP3 is included). Enter a prompt describing the scene. Click **Run**. The model generates video synchronized to the audio — lip movements match dialogue, and scene energy follows the audio's rhythm.
+
+
+
+
+
+## First & Last Frame Interpolation
+
+Select **video_ltx2_3_flf2v**. Load two images — a first frame and a last frame (sample car images are included). Enter a prompt describing the transition. Click **Run**. The model generates a smooth video interpolation between your two keyframes.
+
+
+
+
+
+## Cleanup
+
+When finished, go to the [Vast.ai console](https://cloud.vast.ai/instances/) and click **Delete** on your instance to stop charges.
+
+## Resources
+
+- [LTX-2.3 on HuggingFace](https://huggingface.co/Lightricks/LTX-2.3)
+- [LTX-2 GitHub Repository](https://github.com/Lightricks/LTX-2)
+- [Vast.ai Model Page](https://vast.ai/model/ltx-2-3)
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