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Jul 7, 2026

开发者工具日报 2026-07-07

Anthropic 推出 Jacobian Lens 方法，发现 Claude 模型在训练中形成了一组内部神经模式构成的 "J-Space"，类似工作记忆，可存储概念并用于多步推理。抑制 J-Space 后模型仍能流畅说话，但丧失推理、摘要和押韵能力。基于此开发的反事实反思训练使 Claude Haiku 4.5 的虚构答案和欺骗尝试大幅降低。