Tip: Anthropic's website source code already lists Mythos 5.5

daniel_mac8 · x · 2026-11-02

A tip from an anonymous emailer claims that Anthropic's official website HTML source code already lists "Mythos 5.5." Daniel replies that all signs point to a release this week. Note: both the Mythos 5.5 naming and the timeline are unverified rumors.

Related event: Unreleased Claude Mythos 5.5 Surfaces in Anthropic Source Code Across Multiple Channels(15 posts)→

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