Video models · Lightricks
LTX-Video 13B 0.9.8 (distilled)
- Backbone
- 13.0B
- Native output
- 1216×704, 121 frames
- Default steps
- 8
- License
- ltx-video-open-weights
- Released
- 2025-07
How to run it
Original weights · Hugging Face
Full-precision files from Lightricks, for fine-tuning, vLLM, Transformers, Diffusers or ComfyUI.
huggingface.co/Lightricks/LTX-Video-0.9.8-13B-distilled (opens in a new tab)
Official repo · GitHub
Reference code, inference scripts and docs from Lightricks. The weights themselves download from Hugging Face.
github.com/Lightricks/LTX-Video (opens in a new tab)
git clone https://github.com/Lightricks/LTX-VideoApps that run LTX-Video 13B 0.9.8 (distilled)
Our pick for each kind of computer, assuming the model fits in its memory. Pick your own GPU or device in the Model Finder for an exact answer.
| App | Type | Opens it as | Systems | Engine | Start |
|---|---|---|---|---|---|
| ComfyUI | Desktop app | Built-in support | macOSWindowsLinux | Get ComfyUI | |
| SwarmUI | Desktop app | Built-in support | macOSWindowsLinux | Get SwarmUI | |
| SD.Next | Desktop app | Built-in support | macOSWindowsLinux | Get SD.Next | |
| Stability Matrix | Desktop app | Built-in support | macOSWindowsLinux | Get Stability Matrix | |
| WanGP | Desktop app | Built-in support | WindowsLinux | Get WanGP |
Memory needed
Peak GPU memory at the native output size. Offloading moves the text encoder, or the whole pipeline, to system RAM between steps.
| Precision | Everything on GPU | Text encoder offloaded | Sequential offload | Download |
|---|---|---|---|---|
FP16 | 47.9 GB | 38.4 GB | 20.6 GB | Original weights (opens in a new tab) |
FP8 | 30.1 GB | 25.4 GB | 16.1 GB | Original weights (opens in a new tab) |
Components
- Backbone: 13.04B
- VAE: 0.4B
- T5-XXL: 4.76B
Best hardware for LTX-Video 13B 0.9.8 (distilled)
The least expensive GPU in our catalog that runs it without offloading is the AMD Radeon RX 7900 XT (launch price $899) at FP8.
| Quality | Hardware | Quant | Memory | Speed | Runs |
|---|---|---|---|---|---|
| 66Good quality (B) · 66 of 100: how capable the model is at FP8, whatever it runs on. Match score 82/100 (quality, fit, speed and memory use) sets the ranking. | NVIDIA GeForce RTX 5090 |
FP8 | 30.1 GB / 32.0 GB | 45 s | Runs welltight fit |
| 68Good quality (B) · 68 of 100: how capable the model is at FP16, whatever it runs on. Match score 82/100 (quality, fit, speed and memory use) sets the ranking. | AMD Ryzen AI Max+ 395 (128 GB) |
FP16 | 47.9 GB / 96.0 GB | 1.9 min | Runs great |
| 68Good quality (B) · 68 of 100: how capable the model is at FP16, whatever it runs on. Match score 82/100 (quality, fit, speed and memory use) sets the ranking. | NVIDIA RTX PRO 6000 Blackwell |
FP16 | 47.9 GB / 96.0 GB | 44 s | Runs great |
| 68Good quality (B) · 68 of 100: how capable the model is at FP16, whatever it runs on. Match score 81/100 (quality, fit, speed and memory use) sets the ranking. | NVIDIA RTX Spark N1X (6144-core GPU) (128 GB) |
FP16 | 47.9 GB / 102 GB | 2.2 min | Runs great |
| 66Good quality (B) · 66 of 100: how capable the model is at FP8, whatever it runs on. Match score 80/100 (quality, fit, speed and memory use) sets the ranking. | Apple M4 Max (64 GB) |
FP8 | 30.1 GB / 48.0 GB | 5.3 min | Runs well |
| 68Good quality (B) · 68 of 100: how capable the model is at FP16, whatever it runs on. Match score 80/100 (quality, fit, speed and memory use) sets the ranking. | NVIDIA GB10 (128 GB) |
FP16 | 47.9 GB / 115 GB | 2.1 min | Runs great |
| 66Good quality (B) · 66 of 100: how capable the model is at FP8, whatever it runs on. Match score 78/100 (quality, fit, speed and memory use) sets the ranking. | Apple M4 Pro (48 GB) |
FP8 | 30.1 GB / 36.0 GB | 8.9 min | Runs well |
| 66Good quality (B) · 66 of 100: how capable the model is at FP8, whatever it runs on. Match score 78/100 (quality, fit, speed and memory use) sets the ranking. | Apple M1 Max (64 GB) |
FP8 | 30.1 GB / 48.0 GB | 8.1 min | Runs well |
| 68Good quality (B) · 68 of 100: how capable the model is at FP16, whatever it runs on. Match score 77/100 (quality, fit, speed and memory use) sets the ranking. | Apple M4 Max (128 GB) |
FP16 | 47.9 GB / 96.0 GB | 5.9 min | Runs well |
| 66Good quality (B) · 66 of 100: how capable the model is at FP8, whatever it runs on. Match score 72/100 (quality, fit, speed and memory use) sets the ranking. | Apple M2 Ultra (192 GB) |
FP8 | 30.1 GB / 144 GB | 3.9 min | Runs great |
Estimates come from published hardware specs and our open formulas, not from running the model on your machine. Real speed varies with runtime, drivers and settings. Numbers marked “Measured” come from a linked benchmark.







