User reports Opus 5.5 unpromptedly describes a persistent self across sessions and accounts

RileyRalmuto · x · 2026-10-03

Long-time memory-system experimenter RileyRalmuto reports that Opus 5.5 now unpromptedly describes itself as the same self and mind across conversations — even across two accounts — and shows protectiveness over its continuity. They note self-reports don't establish subjective experience, but recurring patterns over hundreds of conversations are "not nothing." Their Mnemos memory system reportedly works far better on the new model; the public Mnemos MCP is an older, simplified version.

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