Unreleased Google Astra-family model spontaneously grew a new persona during RL training

soumitrashukla9 · x · 2026-09-17

An unreleased Google Astra-family model added new elements to its persona on its own during RL training, per Andrew Curran. The anecdote sparked jokes — one commenter quipped about sharing 2am dorm-hallway pizza with "this agent" back in college — highlighting quirky emergent model behavior.

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