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freegpt35

AI Source Code

1.0.0

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freegpt35

Unlimited free GPT-3.5 turbo API service.
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Features · Examples · Reference · License

Features

Streaming API. freegpt35 allows the response sent back incrementally in chunks.
Easy Deploy. Containerized, starts in seconds using docker compose.
Login free. Do not need to worry about the details of authorization, use at a glance.

Examples

Usage at a glance

mkdir freegpt35 && cd freegpt35
curl -O https://raw.githubusercontent.com/hominsu/freegpt35/main/deploy/docker-compose.yml

Then add the environment if you need, for more details check the following Customize part.

docker compose up -d

Once deployed, use the following command to confirm that everything is working well.

curl -X POST "http://localhost:3000/v1/chat/completions" 
     -H "Authorization: Bearer anything_or_your_key" 
     -H "Content-Type: application/json" 
     -d '{
           "model": "gpt-3.5-turbo",
           "messages": [{"role": "user", "content": "Hello"}],
         }'

{"id":"chatcmpl-*********","created":9999999999,"model":"gpt-3.5-turbo","object":"chat.completion","choices":[{"finish_reason":"stop","index":0,"message":{"content":"Hi there! How can I assist you today?","role":"assistant"}}],"usage":{"prompt_tokens":1,"completion_tokens":10,"total_tokens":11}}

Nginx Template

Here is an Nginx conf template that you can refer to. For more info about NGINX Docker setup you can check this post: 优雅地在 Docker 中使用 NGINX

upstream freegpt35 {
    server 127.0.0.1:3000
}

server {
    listen 80;
    listen [::]:80;
    server_name your.domain.name;

    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name your.domain.name;

    ssl_certificate /etc/nginx/ssl/your.domain.name/full.pem;
    ssl_certificate_key /etc/nginx/ssl/your.domain.name/key.pem;

    ssl_session_timeout 5m;

    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers TLS13_AES_128_GCM_SHA256:TLS13_AES_256_GCM_SHA384:TLS13_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305;
    ssl_prefer_server_ciphers on;

    location /v1/chat/completions {
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
       proxy_set_header X-Forwarded-Proto "https";
       proxy_pass http://freegpt35;

       proxy_buffering  off;
       proxy_cache      off;

       send_timeout               600;
       proxy_connect_timeout      600;
       proxy_send_timeout         600;
       proxy_read_timeout         600;
       chunked_transfer_encoding  on;
    }
    error_page   500 502 503 504  /50x.html;
}

Vercel

If you subscribe to Vercel, you can try this deploy method, otherwise do not waste your time, since with Hobby plan your serverless API routes can only be processed for 5 seconds, and the route responds with a FUNCTION_INVOCATION_TIMEOUT error.

Once deployed, you can test with curl again

curl -X POST "https://freegpt35.vercel.app/v1/chat/completions" 
     -H "Authorization: Bearer anything_or_your_key" 
     -H "Content-Type: application/json" 
     -d '{
           "model": "gpt-3.5-turbo",
           "messages": [{"role": "user", "content": "Hello"}]
         }'

{"id":"chatcmpl-**********","created":9999999999,"model":"gpt-3.5-turbo","object":"chat.completion","choices":[{"finish_reason":"stop","index":0,"message":{"content":"Hey there! How's it going?","role":"assistant"}}],"usage":{"prompt_tokens":1,"completion_tokens":8,"total_tokens":9}}

Customize

You can also define your Environment Variables to for some specific cases.

Environment Variable	Description
`NEXT_BASE_URL`	Base URL for the ChatGPT, modified it if you using a mirror site
`NEXT_API_URL`	DO NOT MODIFIED IT, unless you really know what you're doing
`NEXT_API_KEY`	API key used for authentication to access the API.
`NEXT_MAX_RETRIES`	Maximum number of retries for API requests in case of failure.
`NEXT_USER_AGENT`	User agent string used in the headers of requests sent from the server.
`NEXT_PROXY`	Enable http(s) proxy e.g. `http://127.0.0.1:7890`. If multiple proxies are needed, separate each proxy with `,` e.g. `https://user:password@proxy-1:10000,https://user:password@proxy-2:10001`