Windflow

HY-WorldPlay

Tencent Hunyuan · Released 17 December 2025

HY-World 1.5 (WorldPlay) is Tencent's streaming world model: it turns keyboard and mouse input into camera movement in real time and keeps the scene geometrically consistent when you return to a place.

Get the weightsCan I use it commercially?
Weights
Open weightsTencent HY-WorldPlay Community License
Commercial use
Custom terms
Real-time
Real-time, per authorsNot independently measured
Where to try
Run it yourself

01 Controls

What you control

  • Keyboard and mouse
  • A camera trajectory
  • A starting image or text prompt

02 License

Can you use it commercially?

Custom terms

Only under its own license (Tencent HY-WorldPlay Community License). Not licensed in the European Union, the United Kingdom or South Korea. Services above 1 million monthly active users need a separate license from Tencent.

Declared license: Tencent HY-WorldPlay Community License · 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 latency with streaming generation.

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

04 Setup

How to run it

  1. 01Create a Python 3.10 conda environment and install requirements.txt and an attention library (SageAttention or flash-attn).
  2. 02Run python download_models.py with your Hugging Face token to fetch every required model.
  3. 03Set the model paths it prints and run the HunyuanVideo-based inference, steering the camera with a pose string or a trajectory.

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

HY-WorldPlay FAQ

Is HY-WorldPlay open source?

HY-WorldPlay publishes downloadable weights under Tencent HY-WorldPlay Community License. Read the license terms before you build on it.

Can I use HY-WorldPlay commercially?

Only under its own license (Tencent HY-WorldPlay Community License). Not licensed in the European Union, the United Kingdom or South Korea. Services above 1 million monthly active users need a separate license from Tencent.

Does HY-WorldPlay run in real time?

Yes, according to its authors. Real-time latency with streaming generation. This directory has not measured it independently.

Where can I try HY-WorldPlay?

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

What does HY-WorldPlay take as input?

You give it keyboard and mouse, a camera trajectory and a starting image or text prompt.

How do I run HY-WorldPlay?

Following the official instructions: Create a Python 3.10 conda environment and install requirements.txt and an attention library (SageAttention or flash-attn). Run python download_models.py with your Hugging Face token to fetch every required model. Set the model paths it prints and run the HunyuanVideo-based inference, steering the camera with a pose string or a trajectory.

What are alternatives to HY-WorldPlay?

Similar models in this directory include ABot-World (open weights, permissive license), AlayaWorld (open weights, custom terms) and DreamX-World (open weights, permissive license).

Similar world models

All 56 in the directory