Anthropic 推出 Claude Fable 5.2 和 Claude Mythos 5.2

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Anthropic 推出 Claude Fable 5.2 和 Claude Mythos 5.2，并称它们专为应对高难度技术挑战而设计。该公司表示，它们能够协助完成雄心勃勃的项目，并在编程、推理和视觉能力方面有所提升。

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Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, lowering API prices to $8 per million input tokens and $40 per million output tokens, from $10 and $50. Anthropic says both models improve coding, reasoning, and vision, and that Fable produces responses faster than version 5.1. Fable is available to paid users with safeguards for risky cybersecurity and biology tasks; Mythos is limited to organizations approved through Anthropic’s verification programs. The launch reports cite strong benchmark results, including Fable’s first-place score on Artificial Analysis’ Intelligence Index v5 at its highest compute tier. Those figures come from the named benchmark evaluations; Anthropic’s prerelease examples also include software migrations, electronic devices, and physics problems. TechCrunch reports that an optional faster serving mode costs twice as much, while the lower API prices apply to standard use.