Researcher claims a universal jailbreak works across GPT-5.6, Opus 5 and Fable
Polymarket · x · 2026-07-25
AI jailbreak researcher Pliny says he has found a “universal” jailbreak that reportedly works across major frontier models, including GPT-5.6, Opus 5, and Fable.
Because the post is a third-party report rather than an official release, the key takeaway is the security implication: if true, one prompt pattern may bypass safeguards across multiple leading model families.
Related event: Researcher Claims Universal Jailbreak Affects Multiple Frontier Models(4 posts)→
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