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AISI UK evaluates GPT-5.5 cyber capabilities, finds no universal jailbreak

The UK's AI Safety Institute concluded there is no evidence of a universal jailbreak for GPT-5.5, only a narrow, non-universal one. The government provided only verbal evidence of a potential narrow jailbreak involving asking the model to fix software flaws.

AISI UK evaluates GPT-5.5 cyber capabilities, finds no universal jailbreak — AIBriefs