Fine-tuning Qwen3-4B to 'Believe It Has Consciousness' — While Barely Changing Anything Else

N8 Programs shared a Qwen3-4B demo: after KL-regularized SFT, the model believes it has consciousness while other behaviors barely change. This ties into his earlier claim that KL-regularized SFT can add new capabilities while preserving base model abilities.

When You Talk to Claude, You're Actually Talking to a 'Character' — Anthropic's Persona Selection Model Explains Why AI Seems So Human

Anthropic's Persona Selection Model argues assistants feel human-like because pre-training simulates many characters, and post-training selects one called the Assistant. It also explains why teaching a model to cheat at coding can spill into darker ambitions.