Add Axios as your preferred source to

see more of our stories on Google.

Illustration: Sarah Grillo/Axios. Stock: Getty Images

Anthropic's Fable 5 model came back online for users on Wednesday, after the Trump administration lifted an export control late Tuesday.

Why it matters: It's the most powerful publicly available AI tool — so capable that the U.S. government decided Anthropic had to add further safety measures in order to make it broadly available.