# Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2 models

> Original title: Claude Fable 5.2 and Mythos 5.2

- Source: Hacker News · AI (150+ points)
- Published: 2026-11-09T18:56:29.000Z
- Bad Influence: https://badinfluence.news/items/gn29smwbayyp336gipblrbdle
- Original: https://www.anthropic.com/claude-fable-and-mythos-5-2

## Summary

Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2, which it says improve coding, reasoning, and vision. Fable 5.2 costs $8 per million input tokens and $40 per million output tokens, and Mythos access is limited to vetted organizations in cybersecurity and biomedical research. Anthropic says Fable 5.2 is available today on AWS, Google Cloud, and Microsoft Azure.