Skywork releases Matrix-Game 4.0 world model
Confirmed
The takeaway
On Oct 15, 2026 Kunlun Tech’s Skywork AI released Matrix-Game 4.0 under Apache-2.0, with weights on Hugging Face and code, a browser demo and three playable games on GitHub.
Status
- Claim
Confirmed
- Our reporting
- High confidence
- Importance
- 2 of 5
- Last verified
- 15 October 2026
Your AI and this story
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None of these four assistants can know about it. The closest, Claude Opus 5.5, stops 107 days before it.
Key facts
- Design: ‘code decides what happens, and the model decides what it looks like’; health, items and mission state live in code, so visual glitches do not change the game; a coding agent can change game rules from natural-language requests (Pandaily, citing QbitAI)
- Scenes: Medieval Castle and Ancient Egypt (third-person shooters) and City Racing; renderer trained on paired Unreal Engine 5 data (structural vs fully detailed frames)
- Speed (company figures via QbitAI): ~83 fps with one denoising step and ~57 with two on one RTX 5090, games at 60 fps, under 0.15 s key-press latency, ~18.5 GiB peak VRAM; Skywork’s own GitHub table lists ~38–39 fps of model processing in online sessions; demo output is 480p
- Hugging Face repo Skywork/Matrix-Game-4.0 created Oct 12, 2026 (HF API); license Apache-2.0
- Series history: 1.0 added action control, 2.0 real-time generation, 3.0 (March 2026) long-horizon memory
What happened
Skywork published the fourth version of its open interactive world-model series. Unlike pure video world models, which must remember the world and its rules in pixels, Matrix-Game 4.0 keeps the rules in an ordinary game engine and uses the neural model only as a renderer.
Why it matters
The “engine plus neural renderer” split is a practical answer to the consistency problems of video world models, and running on one consumer GPU makes it usable by hobbyists. Performance figures are the company’s and differ between its press claims and its own GitHub table.
Sources
2 sources from 2 sites. Numbers match the chips in the text.
2 sources: 1 primary, 1 press
Primary
- Hugging Face: Skywork/Matrix-Game-4.0huggingface.co, code
Press
- Pandaily: Skywork open-sources Matrix-Game 4.0pandaily.com, press
Changes
- Filed