The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance. Access to all other Claude models is not affected. We apologize for this disruption to our customers. We believe this is a misunderstanding and are working to restore access as soon as possible. Read our full statement: anthropic.com/news/fable-myt…

Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Its capabilities exceed those of any model we’ve ever made generally available.

开两个的好处：Claude满了，Codex继续。 不用站队，周末继续干。

In Claude Code, Opus 4.8 makes calls like an experienced engineer without needing constant check-ins. It stays on track across long-running sessions and follows work through in your repo, so you can hand off a feature or a bug sweep while you focus on what's next.

过去两周深度使用了 Obsidian Claudian，个人知识库强烈推荐。