Anthropic 发布了 Claude Opus 5，这是专为开发者和企业设计的升级版本。新版本提供的性能与 Fable 模型相当，但成本有所降低。主要改进包括增强的编码能力、更高效的推理以及对有利于提示缓存的工具使用的修改。 AI
影响 此次发布为开发者和企业提供了更高的性能和效率，有可能降低先进人工智能功能的成本门槛。
排序理由 Frontier-lab 模型发布，附带系统卡。[lever_c 从 frontier_release 降级：ic=2 ai=1.0]
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ZDNet: Claude Opus 5 arrives with near Fable performance at half the price. “Anthropic’s latest Claude upgrade targets developers and enterprises with stronger coding, better reasoning efficiency, prompt-cache-friendly tool changes, and near-Fable performance at Opus pricing.” ht…