Quoting Anthropic

Anthropic announced that the Department of Commerce has lifted export controls on its Claude Fable 5 and Mythos 5 models, with access restoration beginning tomorrow.

We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon. — Anthropic https://twitter.com/anthropicai/status/2072106151890809341 , on Twitter Tags: anthropic https://simonwillison.net/tags/anthropic , claude https://simonwillison.net/tags/claude , generative-ai https://simonwillison.net/tags/generative-ai , claude-mythos https://simonwillison.net/tags/claude-mythos , ai https://simonwillison.net/tags/ai , llms https://simonwillison.net/tags/llms