Claude Mythos 5.5 spotted in Anthropic's official website source code, release nears
141_1337 · reddit · 2026-11-02
Reddit user 1411337 spotted "Claude Claude Mythos 5.5" listed in the HTML source code of Anthropic's official website, suggesting the landing page for its next model is being prepared ahead of release.
The tip traces to X user @kimmonismus, who credited an anonymous email tip; a view-source screenshot shows <h1>Claude Claude Mythos 5.5</h1> and a link preview card reading "Claude Mythos" from anthropic.com. The tweet drew 356K views. Anthropic has not officially confirmed — treat as an unverified pre-release signal.
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