# Rerankers.CreateAsync Create a new reranker. ```csharp Task CreateAsync(RerankerCreationRequest request, string? apiKey = null, CancellationToken ct = default) ``` [Rerankers](../Rerankers.md) · [.NET](../../dotnet.md) Related types — open only those used by your request: - [RerankerCreationRequest](../models/RerankerCreationRequest.md)