NEEDLE基准：三大搜索API错误重叠率高达70-90%
Recommend read. Search APIs can look different while returning the same wrong re…
Recommend read. Search APIs can look different while returning the same wrong results.
推荐阅读。搜索API可能看起来不同，却返回相同的错误结果。
This is a problem.
这是一个问题。
Keenable’s NEEDLE benchmark found 70–90% overlap in mistakes across Brave, You, and Parallel.
Keenable的NEEDLE基准测试发现，Brave、You和Parallel之间的错误重叠率高达70-90%。
For agents, combining providers only improves coverage when the underlying indexes are actually independent.
对于代理而言，只有当底层索引真正独立时，结合多个提供商才能提高覆盖率。
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