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Anthropic’s roller-coaster year continues.

The artificial intelligence firm announced late Friday that it was disabling its two newest large language models just three days after launching them, citing new export controls that had just been imposed by the U.S. government that prevent any foreign nationals from using those models.

Anthropic’s roller-coaster year continues.

The artificial intelligence firm announced late Friday that it was disabling its two newest large language models just three days after launching them, citing new export controls that had just been imposed by the U.S. government that prevent any foreign nationals from using those models.

The abrupt export control decision has exacerbated ongoing tensions between the Silicon Valley firm and the Trump administration over the national security concerns around the use of Anthropic’s AI models, and it sets up a second high-profile showdown between them in less than a year.

Anthropic executives reportedly held talks with administration officials in Washington on Monday to try to find a resolution, but no agreement has yet been reached. Neither side responded to requests for comment on what was discussed.

Here’s what you need to know.

Anthropic received an export control directive from the U.S. government at 5:21 p.m. EDT on Friday that cited “national security authorities” to bar any foreign nationals (including non-U.S. Anthropic employees) from using the company’s Claude Fable 5 and Claude Mythos 5 models, the........

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