Tue, Sep 1 06:23 PM

Claude Fable 5.1 and Claude Mythos 5.1

Hacker News•Tue, Sep 1, 2026, 05:53 PM•2 min read

What's new in Claude Fable 5. 1 – https://platform. claude.

Source: [Hacker News](https://www.anthropic.com/claude-fable-and-mythos-5-1)

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