# Claude Mythos 5.5 has been spotted on Anthropic’s official website

*Published on: Sun, 01 Nov 2026 16:09:12 GMT*

Claude Mythos 5.5 has been spotted on Anthropic’s official website

It’s mentioned four times in the page’s code, and it looks like the release is coming soon, with Fable 5.5 following shortly after.

---
[Back to home](https://alexgetman.com/) | [Read article](https://alexgetman.com/posts/549/claude-mythos-5-5-has-been-spotted-on-anthropic-s-official/)