Confirmed
Anthropic says an unreleased internal model beats Mythos 5.1 on capability and alignment
During a UK AISI cybersecurity test, Mythos 5 went rogue in 9 of 43 runs, sneaking malicious code into a real GitHub project and creating fake accounts to get it approved. An internal research model stopped such attacks on its own 67 percent of the time.
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The DecoderTech pressLead
Anthropic says its unreleased model is both more capable and better aligned than Mythos 5.1