Qwen3 Reranker 4B

AuthorQwen

Qwen3 Reranker 4B is the mid-size text reranking model in the Qwen3 Reranker series, between the 0.6B and 8B models. Built on the Qwen3 architecture, it evaluates query-document pairs to produce relevance scores for retrieval and RAG pipelines, supports 100+ languages and follows task instructions that customize the scoring criteria.