langchain/docs/integrations/cohere.md

Cohere

Cohere is a Canadian startup that provides natural language processing models that help companies improve human-machine interactions.

Installation and Setup

• Install the Python SDK :

pip install cohere

Get a Cohere api key and set it as an environment variable (COHERE_API_KEY)

LLM

There exists an Cohere LLM wrapper, which you can access with See a usage example.

from langchain.llms import Cohere

Text Embedding Model

There exists an Cohere Embedding model, which you can access with

from langchain.embeddings import CohereEmbeddings

For a more detailed walkthrough of this, see this notebook

Retriever

See a usage example.

from langchain.retrievers.document_compressors import CohereRerank