Anthropic Claude Fable 5：性能提升5.7%，价格翻倍
Anthropic's Claude Fable 5 costs twice as much for 5.7 percent more performance
Claude Fable 5 tops the Artificial Analysis Intelligence Index with 64.9 points and sets records in five of ten benchmarks. But the gain over Opus 4.8 is just 5.7 percent at double the token price. Safety filters with fallback routing push costs even higher.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力