Instructions to use vidfom/Ltx-3 with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- llama-cpp-python
How to use vidfom/Ltx-3 with llama-cpp-python:
# !pip install llama-cpp-python from llama_cpp import Llama llm = Llama.from_pretrained( repo_id="vidfom/Ltx-3", filename="ComfyUI/models/text_encoders/gemma-3-12b-it-qat-UD-Q4_K_XL.gguf", )
llm.create_chat_completion( messages = "No input example has been defined for this model task." )
- Notebooks
- Google Colab
- Kaggle
- Local Apps
- llama.cpp
How to use vidfom/Ltx-3 with llama.cpp:
Install from brew
brew install llama.cpp # Start a local OpenAI-compatible server with a web UI: llama-server -hf vidfom/Ltx-3:UD-Q4_K_XL # Run inference directly in the terminal: llama-cli -hf vidfom/Ltx-3:UD-Q4_K_XL
Install from WinGet (Windows)
winget install llama.cpp # Start a local OpenAI-compatible server with a web UI: llama-server -hf vidfom/Ltx-3:UD-Q4_K_XL # Run inference directly in the terminal: llama-cli -hf vidfom/Ltx-3:UD-Q4_K_XL
Use pre-built binary
# Download pre-built binary from: # https://github.com/ggerganov/llama.cpp/releases # Start a local OpenAI-compatible server with a web UI: ./llama-server -hf vidfom/Ltx-3:UD-Q4_K_XL # Run inference directly in the terminal: ./llama-cli -hf vidfom/Ltx-3:UD-Q4_K_XL
Build from source code
git clone https://github.com/ggerganov/llama.cpp.git cd llama.cpp cmake -B build cmake --build build -j --target llama-server llama-cli # Start a local OpenAI-compatible server with a web UI: ./build/bin/llama-server -hf vidfom/Ltx-3:UD-Q4_K_XL # Run inference directly in the terminal: ./build/bin/llama-cli -hf vidfom/Ltx-3:UD-Q4_K_XL
Use Docker
docker model run hf.co/vidfom/Ltx-3:UD-Q4_K_XL
- LM Studio
- Jan
- Ollama
How to use vidfom/Ltx-3 with Ollama:
ollama run hf.co/vidfom/Ltx-3:UD-Q4_K_XL
- Unsloth Studio new
How to use vidfom/Ltx-3 with Unsloth Studio:
Install Unsloth Studio (macOS, Linux, WSL)
curl -fsSL https://unsloth.ai/install.sh | sh # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for vidfom/Ltx-3 to start chatting
Install Unsloth Studio (Windows)
irm https://unsloth.ai/install.ps1 | iex # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for vidfom/Ltx-3 to start chatting
Using HuggingFace Spaces for Unsloth
# No setup required # Open https://huggingface.co/spaces/unsloth/studio in your browser # Search for vidfom/Ltx-3 to start chatting
- Docker Model Runner
How to use vidfom/Ltx-3 with Docker Model Runner:
docker model run hf.co/vidfom/Ltx-3:UD-Q4_K_XL
- Lemonade
How to use vidfom/Ltx-3 with Lemonade:
Pull the model
# Download Lemonade from https://lemonade-server.ai/ lemonade pull vidfom/Ltx-3:UD-Q4_K_XL
Run and chat with the model
lemonade run user.Ltx-3-UD-Q4_K_XL
List all available models
lemonade list
| import torch | |
| class StubImage: | |
| def __init__(self): | |
| pass | |
| def INPUT_TYPES(cls): | |
| return { | |
| "required": { | |
| "content": (['WHITE', 'BLACK', 'NOISE'],), | |
| "height": ("INT", {"default": 512, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| "width": ("INT", {"default": 512, "min": 1, "max": 4096 ** 3, "step": 1}), | |
| "batch_size": ("INT", {"default": 1, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| }, | |
| } | |
| RETURN_TYPES = ("IMAGE",) | |
| FUNCTION = "stub_image" | |
| CATEGORY = "Testing/Stub Nodes" | |
| def stub_image(self, content, height, width, batch_size): | |
| if content == "WHITE": | |
| return (torch.ones(batch_size, height, width, 3),) | |
| elif content == "BLACK": | |
| return (torch.zeros(batch_size, height, width, 3),) | |
| elif content == "NOISE": | |
| return (torch.rand(batch_size, height, width, 3),) | |
| class StubConstantImage: | |
| def __init__(self): | |
| pass | |
| def INPUT_TYPES(cls): | |
| return { | |
| "required": { | |
| "value": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}), | |
| "height": ("INT", {"default": 512, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| "width": ("INT", {"default": 512, "min": 1, "max": 4096 ** 3, "step": 1}), | |
| "batch_size": ("INT", {"default": 1, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| }, | |
| } | |
| RETURN_TYPES = ("IMAGE",) | |
| FUNCTION = "stub_constant_image" | |
| CATEGORY = "Testing/Stub Nodes" | |
| def stub_constant_image(self, value, height, width, batch_size): | |
| return (torch.ones(batch_size, height, width, 3) * value,) | |
| class StubMask: | |
| def __init__(self): | |
| pass | |
| def INPUT_TYPES(cls): | |
| return { | |
| "required": { | |
| "value": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}), | |
| "height": ("INT", {"default": 512, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| "width": ("INT", {"default": 512, "min": 1, "max": 4096 ** 3, "step": 1}), | |
| "batch_size": ("INT", {"default": 1, "min": 1, "max": 1024 ** 3, "step": 1}), | |
| }, | |
| } | |
| RETURN_TYPES = ("MASK",) | |
| FUNCTION = "stub_mask" | |
| CATEGORY = "Testing/Stub Nodes" | |
| def stub_mask(self, value, height, width, batch_size): | |
| return (torch.ones(batch_size, height, width) * value,) | |
| class StubInt: | |
| def __init__(self): | |
| pass | |
| def INPUT_TYPES(cls): | |
| return { | |
| "required": { | |
| "value": ("INT", {"default": 0, "min": -0xffffffff, "max": 0xffffffff, "step": 1}), | |
| }, | |
| } | |
| RETURN_TYPES = ("INT",) | |
| FUNCTION = "stub_int" | |
| CATEGORY = "Testing/Stub Nodes" | |
| def stub_int(self, value): | |
| return (value,) | |
| class StubFloat: | |
| def __init__(self): | |
| pass | |
| def INPUT_TYPES(cls): | |
| return { | |
| "required": { | |
| "value": ("FLOAT", {"default": 0.0, "min": -1.0e38, "max": 1.0e38, "step": 0.01}), | |
| }, | |
| } | |
| RETURN_TYPES = ("FLOAT",) | |
| FUNCTION = "stub_float" | |
| CATEGORY = "Testing/Stub Nodes" | |
| def stub_float(self, value): | |
| return (value,) | |
| TEST_STUB_NODE_CLASS_MAPPINGS = { | |
| "StubImage": StubImage, | |
| "StubConstantImage": StubConstantImage, | |
| "StubMask": StubMask, | |
| "StubInt": StubInt, | |
| "StubFloat": StubFloat, | |
| } | |
| TEST_STUB_NODE_DISPLAY_NAME_MAPPINGS = { | |
| "StubImage": "Stub Image", | |
| "StubConstantImage": "Stub Constant Image", | |
| "StubMask": "Stub Mask", | |
| "StubInt": "Stub Int", | |
| "StubFloat": "Stub Float", | |
| } | |