Rumor: "Mythos 5.5" spotted in Anthropic's website source code
Kyrannio · x · 2026-11-02
Account kimmonismus reports an anonymous email tip claiming "Mythos 5.5" is already listed in the HTML source code of Anthropic's official website, with an apparent screenshot of the page source. The retorter quips it arrives "just in time for the IPO." Unverified — treat as an unconfirmed leak.
Related event: Anthropic Site Code Leaks Claude Mythos 5.5, With Fable 5.5 Also Surfacing(11 posts)→
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