ResearchBenchmarksSponsored Product Search Relevance on Walmart.com Sponsored Product Search Relevance (test)Follow89.43AccuracyLLaMa2 7B61.963669.094376.22583.3557Jul 4, 2026Evaluation ResultsMethodMethodLinksAccuracyPrecisionRecallF1-scoreLLaMa2 7BTraining Mode=Fine-tunedTraining Mode=Fine-tuned2026.0789.4389.7589.2289.41BERTArchitecture=Cross-Enc...Architecture=Cross-Encoder2026.0786.2786.8386.5886.7BERTArchitecture=Bi-EncoderArchitecture=Bi-Encoder2026.0774.4275.6594.0983.87GPT-4Prompting=Few-shotPrompting=Few-shot2026.0763.0266.461.9362.88