# Anthropic's Fable 5 is back worldwide after a two-week government ban over a jailbreak

> Source: <https://the-decoder.com/anthropics-fable-5-is-back-worldwide-after-a-two-week-government-ban-over-a-jailbreak/>
> Published: 2026-07-01 07:40:29+00:00

After a two-week ban, the US government is letting Anthropic ship Fable 5 globally again. Amazon researchers had found a jailbreak, but Anthropic says even much smaller models like Claude Haiku 4.5 could pull off the same exploit. A new safety classifier blocks the technique in over 99 percent of cases, though it also flags more harmless requests in the process.

The article [Anthropic's Fable 5 is back worldwide after a two-week government ban over a jailbreak](https://the-decoder.com/anthropics-fable-5-is-back-worldwide-after-a-two-week-government-ban-over-a-jailbreak/) appeared first on [The Decoder](https://the-decoder.com).