🧰 Claude Mythos 5.1

The items that name it 5

• Anthropic Introduces 3-Tier Cyber Verification Program for AI Access
  articleas affected products2026-10-07It is written here as Claude Mythos 5.1 (Anthropic).

  Anthropic

• Expanding the Cyber Verification Program
  articleas affected products2026-10-06It is written here as Claude Mythos 5.1 (included in every CVP tier; with zero data retention it can also use CVP with zero data retention until EFS is available).

  included in every CVP tier; with zero data retention it can also use CVP with zero data retention until EFS is available

• GLM-5.3 and the spread of advanced cyber capabilities
  articleas affected products2026-09-29

  More advanced model available to vetted defenders through trusted access programs

• Claude Security
  toolas tools2026-07-23

  Anthropic's most cyber-capable model, powers Claude Security's codebase scans in the Claude Security app on Claude.ai

• Google, Anthropic, and OpenAI Unveil Cyber AI Models, Safeguards, and Access Programs
  articleas affected products

  Anthropic model with highest safeguards, available only through trusted access programs for cybersecurity and life sciences work

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