---
format: "aidr-story-markdown/v1"
id: "e7232d52f37fd859a2ad633164226f1c2f18c7af5a6da4e5e7f23ccb8f0263e9"
canonical_url: "https://aidr.today/e7232d52?lang=en"
title: "Claude Fable 5.1 and Claude Mythos 5.1"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-09-01T17:53:53.000Z"
category: "Models"
topics: ["anthropic","claude","coding","reasoning"]
source_urls: ["https://www.anthropic.com/claude-fable-and-mythos-5-1","https://news.ycombinator.com/item?id=49525378"]
summary: "Our most advanced models for coding and knowledge work. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress."
---

# Claude Fable 5\.1 and Claude Mythos 5\.1

> [Open the canonical story](<https://aidr.today/e7232d52?lang=en>)

**Published:** 2026-09-01T17:53:53.000Z
**Category:** Models
**Topics:** anthropic, claude, coding, reasoning

## Summary

Our most advanced models for coding and knowledge work\. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress\.

## Sources

- [Story source](<https://www.anthropic.com/claude-fable-and-mythos-5-1>)
- [Discussion](<https://news.ycombinator.com/item?id=49525378>)