Modder MAAN ports Nvidia DLSS 5 to run inside web browsers via WebGPU
A developer known as MAAN built a browser-based demo that reimplements Nvidia's DLSS 5 neural rendering network using WebGPU compute shaders, hosted on Cloudflare Workers with adjustable settings and sample scenes. The port reportedly works on non-Nvidia GPUs and even macOS, using roughly 147MB of extracted model weights alongside a small JavaScript runtime, though each rendered frame currently takes one to two seconds. MAAN says the weights came from a leaked DLSS 5 library file and plans to release the source code on GitHub soon.
GoKawiil's interpretation of the reporting above, not reported fact.
DLSS 5 is officially locked to RTX 50-series hardware through Nvidia's proprietary NGX and Streamline SDKs, so a browser-based WebGPU version undermines the idea that the feature is inherently tied to Nvidia drivers or silicon. If genuine and open-sourced, it could accelerate community efforts to unlock DLSS on older or non-Nvidia GPUs, raising questions about Nvidia's control over its AI upscaling ecosystem.
- A modder reimplemented DLSS 5's neural network in WebGPU, letting it run in a browser on macOS and non-Nvidia GPUs.
- The demo uses about 147MB of model weights reportedly extracted from a leaked DLSS 5 library file.
- Performance is slow, taking one to two seconds per frame, and source code is expected on GitHub soon.
NVIDIA GeForce RTX 4070 Graphics Card — If you want to actually experience DLSS-powered rendering rather than watching a two-second-per-frame browser demo, a real RTX GPU like the 4070 gives you native, fast AI upscaling support. It's part of the same RTX lineup driving the DLSS 5 experiments discussed in the article, letting you run modern AI-enhanced games smoothly at home.
See NVIDIA GeForce RTX 4070 Graphics Card on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: tomshardware.com — Shane Downing, 2026-09-18
Published there as: “Modder gets Nvidia's DLSS 5 working in a web browser using WebGPU — 147MB browser port runs on non-Nvidia GPUs and macOS but takes two seconds per render”
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