Perplexity Evaluates 13 Retrieval Models: pplx-embed-v1-4b Tops Web Ranking and Combined Sets

Key Info

Perplexity evaluated 13 retrieval models across three relevance sets (Web Ranking, Citation, Combined) using Recall@1000 as the primary metric.

Highlights

• pplx-embed-v1-4b achieves the top scores on Web Ranking (65.73) and Combined (69.11).
• Nemotron-3-Embed-8B leads the Citation set with 61.68.
• Evaluation covers multiple relevance scenarios, offering practical guidance for retrieval model selection.