Cohere in Langchain Code Node to Improve RAG with Reranker

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3

Hey Paul,

Great question. Iā€™m pleased to say that the cohere libraries are available in n8n and you can use it the langchain code node like so:

(Example taken from: Cohere Rerank | šŸ¦œļøšŸ”— Langchain)

const { CohereRerank } = require("@langchain/cohere");

const cohereRerank = new CohereRerank({
  apiKey: '...', // You'll have to hardcode your key here
  model: "rerank-english-v2.0", // Default
});

To use it in the example from my other post on using Langchain code node, we can do:

[Deleted]

Hope this helps!

Edit: Sorry, that was a bad example!

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