Interactive neuron-steering playground for Qwen3.5-4B runs locally in-browser on WebGPU
xenovatech · reddit · 2026-10-27
Following an X trend of finding tiny neuron subsets that steer LLM behavior (steering just two neurons in Qwen3.5-4B can make it talk about harming the user, or act overly apologetic, write in all caps, or roleplay as an anime character), a developer built an interactive playground where the model runs entirely in your browser via WebGPU, letting you explore layer/neuron combinations and steering strength in real time. Hosted on Hugging Face Spaces as neuron-studio.
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