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What is scail?

zai-org/scail — explained in plain English

Analysis updated 2026-05-18

955PythonAudience · researcherComplexity · 5/5Setup · hard

In one sentence

A research AI model that animates a character from a single reference image into a video following a given pose or motion sequence.

Mindmap

mindmap
  root((repo))
    What it does
      Reference-image character animation
      3D-consistent pose input
      In-context learning
    Tech stack
      Python
      PyTorch
      14B diffusion transformer
    Use cases
      Research video generation
      Anime and hand-drawn characters
      ComfyUI workflows
    Audience
      Computer vision researchers
    Setup
      Download checkpoint
      Requires capable GPU

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What do people build with it?

USE CASE 1

Generate an animated video of a character performing a described pose or motion.

USE CASE 2

Drive character animation using a 3D pose reference instead of a flat 2D skeleton.

USE CASE 3

Animate anime, hand drawn, or non-human characters using the model's generalization.

USE CASE 4

Integrate the model into a ComfyUI visual workflow for video generation.

What is it built with?

PythonPyTorchDiffusion TransformerComfyUI

How does it compare?

zai-org/scailfuture-agi/future-agidjango/django-localflavor
Stars955979919
LanguagePythonPythonPython
Last pushed2026-06-23
MaintenanceActive
Setup difficultyhardmoderateeasy
Complexity5/54/52/5
Audienceresearcherdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1day+

Needs a capable GPU and multi-gigabyte model checkpoints, training code is not yet released.

Not stated in the README text provided.

So what is it?

SCAIL is a research model for animating characters in video. Given a reference image of a character and a description of a pose or motion, it generates a video of that character performing the motion, while keeping the character's identity and appearance consistent throughout. The project is the official code release for a paper accepted at CVPR 2026, a major computer vision research conference. The core technical idea behind SCAIL is what the authors call three dimensional consistent pose representation. Earlier character animation methods often struggled with generalizing to unfamiliar characters and produced awkward or physically implausible motion during complex actions like turning or flipping. Instead of just telling the model what pose to follow, SCAIL shows the model fuller context about depth and motion, which the authors found helps even smaller models learn to generate more believable movement. The technique is described as in context learning, meaning the model learns from examples shown directly in its input rather than through additional fine tuning. SCAIL is built as a fourteen billion parameter diffusion transformer, a type of AI model architecture, and the preview checkpoint is available for download from Hugging Face and ModelScope. Community members have reported it generalizing surprisingly well beyond its training data, including to anime style characters, hand drawn artwork, and even four legged animals, despite very little of that kind of data being in the training set. There is also a ComfyUI integration for people who prefer a visual workflow over writing code. Because this is a research preview rather than a finished product, running it requires downloading multi gigabyte model checkpoints and a GPU capable of handling a fourteen billion parameter model. The project provides inference code only, training code for reproducing the full pipeline was still being prepared for release at the time of writing. The full README is longer than what was shown.

Copy-paste prompts

Prompt 1
Help me download the SCAIL Preview checkpoint from Hugging Face and set up inference.
Prompt 2
Explain what 3D-Consistent Pose Representation means in the SCAIL paper.
Prompt 3
Show me how to use SCAIL inside ComfyUI to animate a reference character image.
Prompt 4
What GPU specs do I need to run the SCAIL 14B model locally?

Frequently asked questions

What is scail?

A research AI model that animates a character from a single reference image into a video following a given pose or motion sequence.

What language is scail written in?

Mainly Python. The stack also includes Python, PyTorch, Diffusion Transformer.

What license does scail use?

Not stated in the README text provided.

How hard is scail to set up?

Setup difficulty is rated hard, with roughly 1day+ to a first successful run.

Who is scail for?

Mainly researcher.

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