ResearchBenchmarksWebSearch on Production WebSearch (test)WebSearch on Production WebSearch (test)Follow79.4F1 ScoreHUMAN72.1274.0175.977.79Jun 29, 2026Evaluation resultsMethodMethodLinksF1 ScoreDeployment ChangeHUMANDescription type=Human...Description type=Human-written2026.0679.4—INITDescription type=Initi...Description type=Initial LLM description (iter-0)2026.0678.4—NEWPipeline=automated des...Pipeline=automated description optimization pipeline, Optimization=trainmax, standard2026.0678.15.7OLDDescription type=Pre-e...Description type=Pre-existing system baseline2026.0672.4—