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METR evaluated an early version of Claude Mythos

May 9 · · primary fetch2 sourcescluster eda9b153updated May 10 ·

METR conducted risk assessment on an early version of Anthropic's Claude Mythos Preview in March 2026, estimating significant capabilities.

read full article on reddit.com
§ sources2 publications · timeline below
  1. reddit.comMETR evaluated an early version of Claude Mythosprimary
  2. the-decoder.comMETR says it can barely measure Claude Mythos, Palo Alto Networks warns of autonomous AI attackers

§ how this story moved

  1. primaryReddit — AI Communities publishes the launch post.
  2. The Decoder picks up coverage.
METR evaluated an early version of Claude Mythos · shipfeed