Windflow

Zing

Seedleap · Released 25 August 2026

Zing-0.5 is a 5B causal world model that keeps rolling a scene forward while keyboard actions and text prompts change it mid-stream. It starts from text or a single image, and the weights are Apache-2.0.

Get the weightsCan I use it commercially?
Weights
Open weightsApache-2.0
Commercial use
Permissive license
Real-time
Real-time, per authorsNot independently measured
Where to try
Run it yourself

01 Controls

What you control

  • W/A/S/D and I/J/K/L keys
  • Text prompts during the rollout
  • A text or single-image start

02 License

Can you use it commercially?

Permissive license

The weights' model card declares Apache-2.0, a permissive license that allows commercial use. Check what the model was built on, because a base model's terms can still apply.

Declared license: Apache-2.0 · Model card

A reading of the published license text, not legal advice.

03 Speed

Does it run in real time?

Real-time, per authors. Real-time interaction; outputs 24 fps video.

Figures are the authors' own, with their settings and hardware. They are not comparable across models.

04 Setup

How to run it

  1. 01Run bash run.sh with a messages file of prompts and actions; ready-made examples cover text-started, image-started and prompt-switched rollouts.
  2. 02To serve it, launch it with SGLang and drive it from examples/zing_0_5/client.py.
  3. 03Sliding-window options (--local-attn-size and --sink-size) set how much past video the model attends to.

Summarised from the project's own instructions. Follow the source for exact commands and versions.

05 Access

Where to try it

No hosted version was verified. Run the published weights yourself.

Listed alphabetically. Windflow maintains this directory and is one of the hosts; a listing does not promise capacity at any given moment.

06 Questions

Zing FAQ

Is Zing open source?

Zing publishes downloadable weights under Apache-2.0. The declared license is permissive.

Can I use Zing commercially?

The weights' model card declares Apache-2.0, a permissive license that allows commercial use. Check what the model was built on, because a base model's terms can still apply.

Does Zing run in real time?

Yes, according to its authors. Real-time interaction; outputs 24 fps video. This directory has not measured it independently.

Where can I try Zing?

No hosted version was verified; run the published weights yourself.

What does Zing take as input?

You give it W/A/S/D and I/J/K/L keys, text prompts during the rollout and a text or single-image start.

How do I run Zing?

Following the official instructions: Run bash run.sh with a messages file of prompts and actions; ready-made examples cover text-started, image-started and prompt-switched rollouts. To serve it, launch it with SGLang and drive it from examples/zing_0_5/client.py. Sliding-window options (--local-attn-size and --sink-size) set how much past video the model attends to.

What are alternatives to Zing?

Similar models in this directory include Agora (Odyssey) (no public weights, service terms), Hunyuan-GameCraft (open weights, custom terms) and Matrix-Game 2.0 (open weights, permissive license).

Similar world models

All 56 in the directory