News

Someone Built an Open-Source 'Theoretical Mythos' to Reverse-Engineer Anthropic's Most Dangerous AI

  • Jose Antonio Lanz--Decrypt
  • published date: 2026-05-04 22:31:02 UTC

OpenMythos is a from-scratch attempt to reconstruct the architecture behind Claude Mythos, the cyber-capable model Anthropic refuses to release. It's speculation in code form.

In brief <ul><li>OpenMythos is a from-scratch reconstruction of the Claude Mythos architecture, built only from public research papers and educated guesses.</li><li>Claude Mythos is Anthropic's most… [+5021 chars]