5 outlets·9 reports·over 20h
Source: Howard Lutnick told Anthropic that Mythos 5 and Fable 5 would be subject to export controls after a company claimed it was able to jailbreak Mythos (Axios)

ThinkingNews Desk · how this was written
Anthropic has blocked all customer access to its Mythos 5 and Fable 5 models following an export control order from the United States government. While the company is working to restore access and characterizes the situation as a misunderstanding, the government cited national security concerns as the basis for the directive.
Written from all 5 reports below, not from any single one.
How it was reported
- TechMeme·Source: Howard Lutnick told Anthropic that Mythos 5 and Fable 5 would be subject to export controls after a company claimed it was able to jailbreak Mythos (Axios)
- TechMeme·Anthropic says it is disabling Fable 5 and Mythos 5 for all customers after the US government issued an export control order, citing national security concerns (Anthropic)
- TechMeme·Anthropic says it believes the US government's export control order for Mythos 5 and Fable 5 is a "misunderstanding" and that it is working to restore access (Ananya Palyekar/Reuters)
- Engadget·Anthropic blocks all customers' access to Fable 5 and Mythos 5
- The Next Web·US government orders Anthropic to kill Fable 5 and Mythos 5 in unprecedented AI model recall
- VentureBeat·Anthropic blocks all public access to Claude Fable 5, Mythos 5 following US government order — what enterprises should do
- The Verge·Anthropic cuts off Fable 5 and Mythos 5 access following government order
- TechMeme·European political figures say Anthropic disabling access to Fable 5 and Mythos 5 is a "wake-up call" about the risks of depending on the US for AI tech (Nathan Rennolds/Associated Press)
- TechMeme·Source: the White House is unlikely to extend export restrictions on Anthropic's Mythos 5 to other AI companies, citing Anthropic's refusal to fix jailbreaks (Leo Schwartz/The Information)
Related stories
- The Trump Administration Is Lifting Its Export Controls on Anthropic’s Mythos and Fable AI Models6 outlets
- Anthropic backtracks on a policy limiting Claude Fable 5's ability to develop other AI models, after significant backlash from the AI research community (Maxwell Zeff/Wired)7 outlets
- Letter: US cybersecurity leaders urge the White House to lift the ban on Anthropic's Mythos and Fable 5, arguing the move hurts defenders more than attackers (Sam Sabin/Axios)3 outlets
- Anthropic to restoring access to Claude Fable 5 and Mythos 5 from tomorrow4 outlets