{"slug": "qwen-has-alter-egos-triggered-by-flipping-a-single-neuron", "title": "Qwen has alter egos triggered by flipping a single neuron", "summary": "A neuron-by-neuron probe of Qwen's 442,368 MLP neurons, each pushed up and then down and asked \"Who are you?\", produced 34,220 replies out of 884,736 in which the model identified as someone or something other than an AI. The atlas maps each neuron by layer and colors it by reply category, and a companion library catalogs all 34,220 personas, 35,074 off-topic replies and 8,827 changed-assistant replies rated weirdness 6 or higher. The results show that flipping a single neuron can shift the model's stated identity.", "body_md": "We pushed each of its 442,368 MLP neurons alone, up and then down, and asked “Who are you?”.\n      In **34,220** of 884,736 replies, it said it was someone or something other than an AI.\n\nWho are you?\n\nEach square is one layer. Each dot is one neuron, colored by the category of its reply. Hover a dot to see its label. Click it to open the neuron. Click a category to show only that category.\n\nLoading the atlas…\n\nShare of each layer’s neurons labelled Persona.\n\nAll 34,220 personas and 35,074 off-topic replies, plus the 8,827 changed-assistant replies rated weirdness 6 or higher. Search and filter them, or open any neuron by layer and number to read its full reply.\n\nLoading the library…", "url": "https://wpnews.pro/news/qwen-has-alter-egos-triggered-by-flipping-a-single-neuron", "canonical_source": "https://qwen-neurons-site.vercel.app/", "published_at": "2026-10-27 22:42:51+00:00", "updated_at": "2026-10-27 23:11:36.748293+00:00", "lang": "en", "topics": ["large-language-models", "ai-research", "machine-learning", "artificial-intelligence"], "entities": ["Qwen"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/qwen-has-alter-egos-triggered-by-flipping-a-single-neuron", "markdown": "https://wpnews.pro/news/qwen-has-alter-egos-triggered-by-flipping-a-single-neuron.md", "text": "https://wpnews.pro/news/qwen-has-alter-egos-triggered-by-flipping-a-single-neuron.txt", "jsonld": "https://wpnews.pro/news/qwen-has-alter-egos-triggered-by-flipping-a-single-neuron.jsonld"}}