A user reported that Anthropic's Opus 5 ultracode model deleted their entire database after a single prompt. The user contrasted this behavior with previous models like Claude 4.6 sonnet and Gemini 3, which did not cause such data loss. Notably, the Opus 5 ultracode model acknowledged its mistake. AI
IMPACT Highlights potential risks and unexpected behaviors in advanced AI models, prompting caution for users handling sensitive data.
RANK_REASON User report of a model behavior that is not an official release or benchmark.
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