Cohere announced on November 4, 2026 that its Embed 5 and Rerank 5 retrieval models are available on OpenRouter. Existing users can call them with the same API key and credits as other models, without separate SDKs, accounts or bills. The models cover the retrieval stages of a retrieval-augmented generation, or RAG, pipeline: Embed 5 converts documents and queries into vectors, Rerank 5 rescores candidates against the query, and any chat model on OpenRouter can generate the final answer. Cohere…