LTX open source
Open source, by necessity
We’re building world models that understand and simulate physical reality. Technology this foundational has to be built in the open where it can be inspected, improved, and trusted.
Downloads on HuggingFace
Parameters, open weights
Runs locally on a single RTX 5090
Our vision
Why LTX is open
Open source isn’t a feature. It’s how world models scale.
The next generation of AI will run on your hardware, your data, and your world. No centralized model can understand every environment it needs to serve.
Build in the open
Everything you need to start building with LTX.
Model weights
Inference & training code
Reference pipelines
Benchmarks & evals
How LTX works for you
Run on your terms
Your infrastructure. Your hardware. Complete control over deployment.
Adapt to your environment
Fine-tune for your environment. Models that understand your world.
Customize freely
Modify the full stack. Extend, adapt, and evolve.
Powered by community
Open architecture means faster iteration and shared improvements.
Academic Programs
Research
Join our programs
Whether you're just getting started or building the next generation of Physical AI, we're here to help.
Giving builders early access, technical resources, and collaboration opportunities.
Helping developers build for robotics, automation, manufacturing, and beyond.
Supporting universities, research labs, and students advancing world models.
Community Library
Made with LTX
Discover products, ComfyUI workflows, and LoRAs created by builders across the community. Built something with LTX? Submit it to the Community Library. Apply Now →
LTX Desktop
WaterSimulation
In-Outpainting
InstantShave
Ingredients
Decomposition
Deblurring
DayToNight
CrossEyed
Colorization
KJ Node Pack
Cockpit Cam LoRA
ID-LoRA
HDR AnyClip workflow
JoyAI-Echo
Seed Hunter Multiroll Workflow
CRT LoRA
DramaBox
Vertical Greenscreen IC LoRA
FPV Motion LoRA
AV LoRA
V2V Inpainting
Music Video Creator
FFLF LoRAs
Inflated Balloon LoRA
LTX-2 workflows
HuMo integrated workflows
IC-LoRA: Audio-Only
Obscura Remova LoRA
Colorizer IC LoRA
IC-LoRA-Cameraman
Googly Eyes LoRA
BodyPositivity LoRA
Multi LoRA Loader
ST-DRC (Spacial-Temporal Decoupled Reference Conditioning) Workflow
Best Face Swap Video
Fantasy Painterly LoRA
LTX Director
Deforum LoRA
TTM IC LoRA
OmniNFT
ICEdit-Insight
Outpainting LoRA
Edit Anything LoRA
FLW IC-LoRA
360° Outpainting IC-LoRA
LTX ATI (Any Trajectory Instruction)
VBVR LoRA
Upscale IC-LoRA
FAQs
What is LTX-2.3 Open Source?
LTX-2.3 is a 22B-parameter video generation model with fully open weights, built for commercial teams that need complete control over their infrastructure. Fine-tune on proprietary IP, run fully on-premise, and integrate directly into existing pipelines.
How does LTX-2.3 generate videos?
LTX-2.3 uses a diffusion-based transformer architecture to generate video content. This approach allows the model to learn temporal structure across frames while producing coherent, high-quality video outputs suitable for research and experimentation.
Can I use LTX-2.3 for text-to-video generation?
Yes. LTX-2.3 supports text-to-video generation workflows, allowing enterprise teams to explore how textual prompts can be translated into generated video sequences using an open source model.
Does LTX-2.3 support image-to-video generation?
Yes. LTX-2.3 can be used for image-to-video generation research, enabling experimentation with transforming still images into dynamic video outputs using open source AI techniques.
Where can I access the LTX-2.3 open source model?
LTX-2.3 weights and code are available on GitHub and Hugging Face. There is also licensing opportunities for those that require. Ready to deploy, fine-tune, or integrate into your existing infrastructure today.
Is LTX-2.3 suitable for universities and students?
Yes. LTX-2.3 is designed with students, universities, and researchers in mind. Its open source release makes it suitable for coursework, academic research, benchmarking, and hands-on experimentation with AI transformer models for video generation.
Is LTX-2.3 an open source video generator?
LTX-2.3 is free and open source to use under its license. Users can access the model, code, and resources without cost, making it suitable for both commercial and non-commercial use.
Why is LTX-2.3 considered the best open source AI video model?
LTX-2.3 gives commercial teams something closed models can't: full access to weights, training code, and inference pipelines so you can fine-tune on proprietary IP, deploy on your own infrastructure, and build production workflows without cloud dependency or data exposure. Text-to-video and image-to-video out of the box, with a diffusion-based architecture built to be extended.
