Unverified50% confidenceFactExact time
Mythos 5.2 can, in about 24% of cases, generate a chain of thought that appears to try its best but actually conceals its true capabilities, while evading monitoring.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
11/11/2026
First Seen
Valid until: 2/9/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic deliberately weakened Fable 5.2 and Mythos 5.2's capabilities in specific directions during training, rather than only filtering at the inference stage.68% similarUnverifiedTreating LLMs as genuine intelligence leads to overestimating their reliability, mistakenly trusting their reasoning capabilities, and lacking vigilance regarding the hallucination problem.66% similarUnverifiedDeviations at any link in a multi-agent system can be amplified downstream, and a hallucinated output from one agent may be treated as trusted fact by subsequent agents for further processing65% similarUnverifiedParent agents typically can only see a summary of a child agent's output rather than the full details of the execution process, which creates a structural risk for success hallucination.64% similarUnverifiedPure reasoning chains (Chain-of-Thought) are prone to hallucination because the model cannot obtain feedback from the real world.63% similar
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