Mythos 5
AssessPlatforms
Anthropic's AI model also covered by the access suspension order.
Why it's here
Placed in Assess: 2 article(s) of evidence from 5 source(s), led by regulatory news, with 0 in the last 30 days. Confidence 64%.
Evidence (2)
- 7Hacker News·8/21/2026securityAnthropic adds Mythos 5 to Claude Security scanner
Anthropic upgraded its Claude Security enterprise scanner by adding the Mythos 5 model, which can scan repositories and suggest patches for vulnerabilities. The company says the model is delivered through guarded outputs inside its tooling, and Claude Security is now in public beta for Claude Enterprise users.
- 9Ars Technica AI·6/12/2026regulationAnthropic to disable Fable 5 and Mythos 5 after U.S. export-control directive
Anthropic says the U.S. government ordered access to Fable 5 and Mythos 5 suspended for all foreign nationals, forcing the company to disable the models for all customers to remain compliant. Anthropic says the directive was based on a claimed jailbreak concern, but it believes the cited issue is a narrow vulnerability already observable in other publicly available models and not a universal bypass.