# Anthropic Redeploys Claude Fable 5 With New Cyber Classifiers and a Jailbreak Standard

After conversations with the United States government, Anthropic reinstated the model worldwide and proposed an industry framework, developed with Amazon, Microsoft, and Google, for scoring the severity of jailbreaks.

- Published: 2026-07-06T10:57:47.986Z
- Canonical: https://polylog.news/ai/2026-07-06/anthropic-redeploys-claude-fable-5-with-new-cyber-classifier
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic News](https://www.anthropic.com/news/redeploying-fable-5), [Anthropic (X)](https://x.com/AnthropicAI/status/2072163884430229756), [Infosecurity Magazine](https://www.infosecurity-magazine.com/news/anthropic-fable-mythos-back/)

Anthropic redeployed Claude Fable 5 globally on July 1, after what it described as productive conversations with the United States government. The company said it is reinstating the model with new classifiers that identify and block more cy…

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