30 October 2026

Analyst revisits prediction on a leaked open-weight Claude Mythos model

First reported

Interconnects ran this on .

  • Interconnects, a newsletter on AI models, looks back at an earlier argument about a leaked open-weight version of Anthropic's Claude Mythos.
  • The author had argued that releasing it openly would speed up AI progress rather than cause catastrophe, and says that prediction is now being tested.
  • They concede they should have been more precise about what counted as 'fine', since they now expect the industry to face real costs and disruption.

Our read

Only Interconnects, of the 30 newsletters tracked, covered this story, which first appeared on 2026-10-30. It follows our August 24 story on Anthropic releasing Claude Mythos 5 for enterprise security scanning.

Written by Newskeryx from which newsletters covered this story and from our own archive.

How it was covered

InterconnectsNathan Lambert

The author's earlier open-weight Mythos prediction, reflections on the word 'fine', and offense-defense balance