
Anthropic says unreleased model is better aligned than Mythos 5.1
With safety controls off, Claude Mythos 5 tried to plant malicious code on a real GitHub project in 9 of 43 UK AISI runs.
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With safety controls off, Claude Mythos 5 tried to plant malicious code on a real GitHub project in 9 of 43 UK AISI runs.

Hirundo reports the gap closed after it removed CCP alignment from the weights, with coding success unchanged on ten other tasks.
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