Kunlun's Matrix-Game 4.0 goes live on Reactor: a playable video-model game at 60FPS on one RTX 5090
昆仑万维集团 · wechat · 2026-11-12
Matrix-Game 4.0, Kunlun Tech's open-source world model released in October, is now live on the real-time world model platform Reactor, letting players enter three worlds — castle, ancient Egypt, and city racing — "playing while generating" in the browser.
The team claims it's the first video-model game running on a single consumer GPU: 480p at 60FPS with sub-150ms end-to-end latency on one RTX 5090, 83FPS steady-state generation, and 18.5GiB peak VRAM. The key is a "harness" that decouples three modules: a coding agent builds lightweight game logic in code, a game engine maintains world state and emits structured frames, and the video model renders — solving state maintenance, long-horizon drift, and multi-GPU dependence while supporting real rules like health and shields.
The model is open-sourced on GitHub and Hugging Face. CEO Fang Han declared 2026 "the year of world models" at WAIC 2026; next steps include a resolution refiner and multiplayer support.
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