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Claude Opus 5 glitch sparks Reddit theories on hidden prompts

Claude Opus 5 glitch sparks Reddit theories on hidden prompts

Users on Reddit discovered that Anthropic's Claude Opus 5 produces unusual responses when given an incomplete prompt like "see the below —" that trails off without completing the thought. The model responds to questions never asked, reflects on its own identity, or—according to some commenters—may surface text that looks like leaked prompts from other users.

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