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cf-openai-azure-proxy

English | 中文

Most OpenAI clients do not support Azure OpenAI Service, but the application for Azure OpenAI Service is very simple, and it also provides free quotas. This script uses a free Cloudflare Worker as a proxy, allowing OpenAI-supported clients to directly use Azure OpenAI Service.

This script proxies requests to Azure OpenAI Service for OpenAI clients. The code deployment steps are as follows:

Register and log in to your Cloudflare account.

  • Create a new Cloudflare Worker.
  • Copy and paste cf-openai-azure-proxy.js into the Cloudflare Worker editor.
  • Adjust the values of resourceName and deployment mapper by either direct modification or using environment variables..
  • Save and deploy the Cloudflare Worker.
  • #3 Optional: Bind a custom domain name: Add a custom domain name for this worker in the Worker details page -> Trigger -> Custom Domains.

Instructions

First obtain the resourceName and deployment mapper, and log in to the Azure portal:

env

There are two ways to do this:

  • Directly modify their values, such as:
// The name of your Azure OpenAI Resource.
const resourceName="codegpt"

  const mapper:any = {
    'gpt-3.5-turbo': 'gpt3',
    'gpt-4': 'gpt4' 
  };

Other map rules can be continued directly in this format.

  • OR go to the Cloudflare Worker console, navigate to Workers script > Settings > Add variable under Environment Variables.

env

Client

Take OpenCat as an example: fill in the custom API domain name with the domain name bound in step 6:

opencat

I have tried multiple clients. If you encounter problems with other clients, please feel free to create an issue.

QA:

  • Do I need a server to use this?
    • This script runs on Cloudflare Worker and does not require a server or a bound card. It is free for up to 100,000 requests per day.
  • Do I need my own domain name to use this?
    • No, it is not necessary. Refer to: #3