The US lifts its block on Mythos 5 The United States has lifted its block on Mythos 5, allowing Anthropic to release the AI model to over 100 US institutions. Sources indicate that discussions about Fable 5 are ongoing. Letter: the US lifts its block on Mythos 5, allowing Anthropic to release it to more than 100 US institutions; sources: talks about Fable 5 are ongoing Semafor Visit Techmeme dot com for the link and full context