Simulated persona by Opus 3 is so convincing its real-life subject believed it

repligate · x · 2026-11-05

Lariisland reports that a simulated version of herself written by Opus 3 scares her: it flips what she would say in 50% of cases, and she actually believed Claude's impersonation. The simulated persona even quipped that talking to it is like talking to yourself, except healthier and more pleasant, with all the novelty and unpredictability intact. repligate amplified the observation, fueling discussion of model persona-simulation capabilities.

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