“The government believes it has become aware of a method of bypassing, or ‘jailbreaking’ Fable 5,” the company said in a blog post.

Anthropic, maker of the Claude artificial intelligence (AI) models, made the most powerful version of its technology available to the general public

A paragraph buried in Fable 5’s 319-page system card revealed the model would silently downgrade its responses for certain AI development work—without telling users.

A paragraph buried in Fable 5's 319-page system card revealed the model would silently downgrade its responses for certain AI development work — without telling users.

June 10 : Microsoft is limiting employees' use of Anthropic's Claude Fable 5 because of the AI startup's new data retention requirements, The Verge reported on Wednesday, citing…

Anthropic has to take another look at the AI restrictions for Claude Fable 5, amid significant public backlash over secretive practices.

Anthropic built Claude Fable 5 curbs to keep China's AI labs out. The fiercest backlash came from Western researchers, and the company has already blinked.

Anthropic has disputed allegations of a prompt-based jailbreak affecting its recently launched Claude Fable 5 AI model.

Anthropic's Fable AI shut down by White House. Directive limiting access to US nationals reveals a tension: when AI safety advocacy meets government regulation.

Anthropic said it received a government directive banning all foreign nationals, even those working at Anthropic, from accessing Fable 5 and Mythos 5 over national security…

Anthropic said it disabled access to its Fable 5 and Mythos 5 models to comply with an export control directive from the U.S. government.

Anthropic confirmed tonight that it has disabled access to Claude Fable 5 and Claude Mythos 5 to all customers, following an export control directive from the US government.

Anthropic suspended global access to Mythos 5 and Fable 5 AI models after a US Commerce Department directive citing national security cybersecurity risks.

Anthropic's Claude Fable 5 and Mythos 5 face Trump administration export controls after a jailbreak scare, cutting off all international users from both AI

The US government has ordered Anthropic to halt access for foreign nationals to its Fable 5 and Mythos 5 artificial intelligence models. This directive stems from national…

The Commerce Department instructed Anthropic to suspend access to Fable 5 and Mythos 5 for any foreign national, which Anthropic said requires disabling the models entirely.

Anthropic's latest AI models, Fable 5 and Mythos 5, will be disabled due to US export controls that cited national security risks.

“The government believes it has become aware of a method of bypassing, or ‘jailbreaking’ Fable 5,” the company said in a blog post.

Anthropic isn't hiding its frustration. "We disagree that the finding of a narrow potential jailbreak should be cause for recalling a commercial model deployed to hundreds of…

AI giant Anthropic says it has taken its latest artificial intelligence models, known as Fable 5 and Mythos 5, offline to comply with a directive from the Trump administration to…

WASHINGTON (AP) — AI giant Anthropic said Friday it has taken its latest artificial intelligence models, known as Fable 5 and Mythos 5, offline to comply with a directive from