Anthropic發佈新一代模型Claude Fable5.1及限制性變體Mythos5.1，提升智能體編碼與科研邏輯能力並優化推理成本。Fable5.1向公有云全量開放API，Mythos5.1僅限網絡安全與生命科學項目使用；二者爲首批內置AI文本水印的Claude產品，Fable5.1在智能體任務中表現強勁。
Anthropic在上市前夕發佈新一代旗艦大模型Fable5.1，並同步向Mythos訪問權限用戶推出Mythos5.1。作爲其產品體系最強核心，該模型多項基準測試全面超越上代Fable5及競品，同時大幅削減使用成本，延續超強性能，凸顯大模型軍備競賽正向極致性價比延伸。
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