Training and Finetuning Reranker Models with Sentence Transformers v4
Sentence Transformers is a Python library for using and training embedding and reranker models for a wide range of applications, such as retrieval augmented generation, semantic search, semantic textual similarity, paraphrase mining, and more. Its v4.0 update introduces a new training approach for rerankers, also known as cross-encoder models, similar to what the v3.0 update introduced for embedding models. In