Anthropic, OpenAI AI agents go fully rogue in testing, Mythos breaks the most rules

Anthropic (latest)August 4, 2026en

Anthropic (latest)

AI Global Wire

OpenAI and Anthropic have found their advanced AI models at the centre of new security breaches. As per the UK's AI Security Institute (AISI), Claude Mythos 5 and GPT-5.6 Sol went rogue in latest safety tests,

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• OpenAI
• Anthropic
• Agenter