Rerank 4 Pro and Llama Nemotron Rerank VL 1B V2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Rerank 4 Pro, from Cohere, has a 32,768-token context window and is priced at $0.0025/search on OpenRouter.
Llama Nemotron Rerank VL 1B V2, from Nvidia, has a 10,240-token context window and is priced by the provider serving it on OpenRouter.