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I ran the personality-neuron search on Nanbeige4.3-33B (4-bit, one 3090). 7 neurons give it a personality. Thinking seems to just slow down the shift in activation

A few days ago we posted a search for single MLP neurons that give Qwen3.5-4B a personality. I ran the same search on Nanbeige4.3-33B, a reasoning model, in a 4-bit GPTQ copy on one RTX 3090. The method: The model answered 20 everyday prompts in 9 personalities, each set by a system prompt. A gradi…

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  1. 2026-10-29 11:54 · r/LocalLLM
    I ran the personality-neuron search on Nanbeige4.3-33B (4-bit, one 3090). 7 neurons give it a personality. Thinking seems to just slow down the shift in activation

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