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DATASHEET // LTX-VIDEO

LTX-Video

Real-time-ish open video diffusion from Lightricks.

OPEN SOURCE12–16 GB VRAMRuns locally
Actually FreeNo SignupOpen SourceWatermark-FreeHobbyist-OKPlugin

Requires: ComfyUI

Visit LTX-VideoUPDATED 2026-04-28 · DIRECT LINK
github.com/Lightricks/LTX-Video
LTX-Video — preview image

HARDWARE REQUIREMENTS //

Runs locally · High-end GPU (16–24 GB)

12–16 GB VRAM
Min VRAM
12 GB
Rec. VRAM
16 GB
Min RAM
32 GB
Rec. RAM
64 GB
Disk
40 GB
GPU class
High-end GPU
CUDA 12No Apple SiliconGPU RequiredQuant: FP16, FP8

Practical floor: RTX 3060 12GB; comfortable on 4080/4090.

[ EDITORIAL PICK ]

Why we recommend LTX-Video

DERIVED FROM METADATA — NOT SPONSORED
  • Open source

    Source is public — you can audit it, fork it, and you'll never lose access to your workflows if LTX-Video the company changes direction.

  • Runs on 12 GB

    Comfortable on a mid-range consumer card — no need to remortgage for an A100.

  • 2 quant formats

    Supports FP16, FP8 — you can dial VRAM use up or down to match your card.

  • Beginner-friendly

    You don't need to read a paper before getting your first result — sensible defaults and a quick install.

[ EVIDENCE NOTE ]

Documentation-led datasheet

This page summarizes upstream documentation, release information, and editorially reviewed catalogue fields. It is not presented as a hands-on benchmark. Verify changing requirements at the official project; report stale data through our corrections channel.

VRAM guide

AT-A-GLANCE SIGNALS //

DERIVED FROM THIS PAGE'S DATA
  • Install difficulty
    Plugin

    Drops into comfyui — assuming the host is already set up.

  • Hardware comfort
    Mainstream

    Needs 12 GB minimum — RTX 3060 12GB or 4070 territory.

  • Ecosystem
    Active community

    Open source plus 4 community resources we've vetted — there are people to ask.

  • Verification
    Recent

    Catalogue entry last updated 79 days ago — re-verification due soon.

[ COMMUNITY GUIDES & WORKFLOWS ]

Tutorials & deep-dives for LTX-Video

Hand-picked from YouTube, Reddit, GitHub, and the wider web. Each link goes straight to the source — we don't intercept or rewrite anything.

[ MORE IN THIS NICHE ]

Other heavy video generation tools we rate

Three picks across different tradeoffs — so you don't end up with three near-clones of LTX-Video.

What is LTX-Video?

LTX-Video targets fast generation: a few seconds of 768x512 video per minute on a 4090. Lower fidelity than Wan/Hunyuan but practical for iteration on consumer hardware.

Pros & cons

✓ PROS

  • Fast for a video diffusion model
  • Fits 12–16 GB
  • Good iteration loop

– CONS

  • Lower fidelity than Wan/Hunyuan
  • Motion can be janky

What's actually free?

Open weights. Free.

✓ Actually FreeNo SignupOpen SourceWatermark-Free

Alternatives

Wan 2.2

Open-weight video diffusion from Alibaba.

OPEN SOURCE12–48 GB VRAM
VRAM fit12–48 GB

HunyuanVideo

13B open-weight cinematic text-to-video.

OPEN SOURCE24–48 GB VRAM
VRAM fit24–48 GB

CogVideoX 5B

Open-source text-to-video diffusion from THUDM.

OPEN SOURCE12–24 GB VRAM
VRAM fit12–24 GB