Claude Mythos 5

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Tín hiệu liên quan: Claude Mythos 5.2

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1. 2026-11-13T20:13:42.616Z · Liên kết bằng chứng · Anthropic · official articles
2. 2026-11-13T17:22:56.107Z · Liên kết bằng chứng · Anthropic · official articles
3. 2026-10-07T19:43:10.391Z · Liên kết bằng chứng · Claude Code · changelog
4. 2026-07-24T18:30:37.661Z · Bài viết của Alex · Alex Getman
   Đoạn trích

   Be like Dario Amodei > Spend months warning everyone about Mythos 5 > Then release a nerfed version called Fable 5 > Send everyone into a panic > Then start wondering whether to shut the model down entirely > A couple of weeks later, drop Opus 5 > Which beats Fable at half the price

5. 2026-07-01T13:44:59.000Z · Bài viết của Alex · Alex Getman
   Đoạn trích

   Claude Fable is back! Anthropic has lifted restrictions on Claude Fable 5 and Mythos 5 after a decision by the US government. Fable will be available to Claude users again starting today. Until July 7, the model is included in weekly limits. After that, access will move to API. The restriction started after an Amazon report: researchers found a way to bypass Fable’s safeguards in cybersecurity tasks. Anthropic says the bypass did not unlock Mythos-level capabilities. The company has already added a new safety classifier that blocks this method in more than 99% of cases. Anthropic is also preparing a common standard for evaluating AI jailbreaks.