# Anthropic releases Claude Fable 5.2 and Mythos 5.2, citing benchmark leads

> Original title: 全球最强 AI 模型：Claude Fable 5.2 登场，编程超 GPT-6 Astra、登顶多项基准

- Source: IThome · AI
- Published: 2026-11-10T05:52:12.000Z
- Bad Influence: https://badinfluence.news/items/cnk9dknp7y3q3gc5sa5log5u2
- Original: https://www.ithome.com/1/024/796.htm

## Summary

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, which it says improve coding, reasoning, science, cybersecurity and robotics. The company reports output up to 30% faster and API costs down 20%. On FrontierCode 2.0, Fable 5.2 scored 49.1%, ahead of GPT-6 Astra at 42.8% and Gemini 4 Carbon at 41.1%.