Run an LLM Inside a Browser Tab: WebGPU and Local Inference in 2026
WebGPU
Local LLM
Web Development
In-browser LLM inference works in 2026. WebGPU ships in every major engine, WebLLM 0.2.85 carries 163 prebuilt models, and a 4-bit Llama 3.2 1B is a 695MB download needing ~880MB of GPU memory. Working code, real numbers, and the limits.