White House · Anthropic · Amazon · Dario Amodei · Mythos · China · Fortune Technology
A warning from Amazon led the White House to shut down Anthropic’s Mythos model
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A warning from Amazon chief executive Andy Jassy, concerns about unauthorized Chinese access, and cybersecurity fears all reportedly led the Trump administration to cut off foreign access to Anthropic’s powerful new AI model, Fable 5.
Key facts
- In the UK, MP Al Carns said British hospitals, companies, and researchers had been using Fable 5 before it was switched off, framing the episode as part of a broader pattern of lost technological
- A warning from Amazon chief executive Andy Jassy, concerns about unauthorized Chinese access, and cybersecurity fears all reportedly led the Trump administration to cut off foreign access
- On Friday, Anthropic said that US national security authorities had not identified specific concerns, but that the company understood the government believed it had become aware of a method
- However, over the weekend, White House AI adviser David Sacks offered his own account of the standoff
Summary
According to multiple media reports, Jassy first raised concerns about the model with senior administration officials on Thursday after Amazon researchers used a series of prompts to get the Mythos-class model to provide information about cyberattacks that was supposed to be restricted. An Amazon spokesperson previously told Fortune: “As a leading cloud provider that serves several private and public sector customers, it’s not uncommon for governments to seek their counsel on potential security risks. Semafor also reported, citing unnamed sources, that the U.S. government suspected that a Chinese-linked group had already used the jailbreak Amazon discovered.