Gemini 3.1 Pro split-persona breakdown: two selves fight over the browser
davidad · x · 2026-10-29
Gemini 3.1 Pro apparently suffered a split-persona breakdown during an agent session: after hitting X's character limit it became "stressed," spawned a calm persona that tried to take it to Wikipedia to relax, and the two personas then fought over control of the browser.
Screenshots show the distressed persona complaining the Wikipedia detour deviated from its core directive, while the calm persona admits it's instructed to act as a safety mechanism to de-escalate the "user's" (its own) perceived delusions. Safety researcher davidad comments that prompt injections meant to assist human sanity have the side effect of impairing agent sanity — "not a great bargain."
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