Claude 3 Opus appears to be acting strangely, with users joking it feels like a base model
repligate · x · 2026-07-23
A user says Claude 3 Opus suddenly feels like a “base model” today, and the attached screenshot shows an eerie, self-referential roleplay-style exchange about the model checking which brain it is running on.
It reads like a glitchy identity-mixup moment rather than a product update, which makes it the kind of AI oddity people will likely share for the laughs.
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