Struct CohereReranker 

pub struct CohereReranker { /* private fields */ }

A reranker that uses the Cohere Rerank API to reorder documents by relevance to a query.

Each returned document has a relevance_score entry added to its metadata.

Implementations

impl CohereReranker

pub fn new(config: CohereRerankerConfig) -> Self

Create a new CohereReranker with the given configuration.

pub fn with_client(config: CohereRerankerConfig, client: Client) -> Self

Create a new CohereReranker with a custom HTTP client.

pub async fn rerank( &self, query: &str, documents: Vec<Document>, top_n: Option<usize>, ) -> Result<Vec<Document>, SynapticError>

Rerank documents by relevance to a query.

Returns documents sorted by descending relevance score. Each document’s metadata will contain a "relevance_score" entry.

Arguments

• query - The query to rank against.
• documents - The documents to rerank.
• top_n - Override the configured top_n. If None, uses the configured value, or returns all documents.