Cloudflare, Inc. (Wikipedia) is an American company that provides content delivery network services, cloud cybersecurity, DDoS mitigation, and ICANN-accredited domain registration services.
Cloudflare Workers AI allows you to run machine learning models, on the Cloudflare network, from your code via REST API.

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ChatModels

See installation instructions and usage example. 
from langchain_cloudflare import ChatCloudflareWorkersAI

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VectorStore

See installation instructions and usage example. 
from langchain_cloudflare import CloudflareVectorize

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Embeddings

See installation instructions and usage example. 
from langchain_cloudflare import CloudflareWorkersAIEmbeddings

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LLMs

See installation instructions and usage example. 
from langchain_community.llms.cloudflare_workersai import CloudflareWorkersAI