Anthropic发布新一代模型Claude Fable5.1及限制性变体Mythos5.1，提升智能体编码与科研逻辑能力并优化推理成本。Fable5.1向公有云全量开放API，Mythos5.1仅限网络安全与生命科学项目使用；二者为首批内置AI文本水印的Claude产品，Fable5.1在智能体任务中表现强劲。
Anthropic在上市前夕发布新一代旗舰大模型Fable5.1，并同步向Mythos访问权限用户推出Mythos5.1。作为其产品体系最强核心，该模型多项基准测试全面超越上代Fable5及竞品，同时大幅削减使用成本，延续超强性能，凸显大模型军备竞赛正向极致性价比延伸。
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