2026
2 篇文章Fable 5.1 與 Mythos 5.1 同模型:快取讀取降 75%
Anthropic 同日發布 Fable 5.1 與 Mythos 5.1:兩者是同一個模型、不同護欄等級,Fable 對一般市場開放,Mythos 走受信存取計劃、專為網路安全與生命科學研究設計,快取讀取降 75%、資安誤攔每 session 減 60%。
閱讀文章 ↗Claude Mythos 60 小時改寫 HAWK 攻擊
Anthropic 前沿紅隊報告:Claude Mythos Preview 用 60 小時把 HAWK-256 攻擊成本從 2^64 降到 2^38,並以 Möbius Bridge 技術把 7 輪 AES-128 攻擊加速 200 至 800 倍。
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2026
2 ARTICLESFable 5.1 and Mythos 5.1: Same Model, Cache Reads 75% Off
One model, two guardrail tiers: cache reads 75% cheaper, cyber false positives down 60% per session, Mythos 5.1 reserved for trusted access.
READ POST ↗Claude Mythos Rewrites HAWK Attacks in 60 Hours
Anthropic's Frontier Red Team: Claude Mythos Preview cut HAWK-256 attack cost from 2^64 to 2^38 in 60 hours and sped up 7-round AES-128 attacks 200-800x.
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