> ## Documentation Index
> Fetch the complete documentation index at: https://docs.laozhang.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# ChatGPT Next Web Deployment Configuration Guide

> ChatGPT Next Web one-click deployment tutorial, configure LaoZhang API to use multiple AI models

## Application Introduction

ChatGPT Next Web is a carefully designed ChatGPT web client that supports one-click deployment and multiple AI models.

## Quick Deployment

### Vercel One-Click Deployment

1. Click [One-Click Deploy](https://vercel.com/new/clone?repository-url=https://github.com/Yidadaa/ChatGPT-Next-Web)
2. Set environment variables:
   * `OPENAI_API_KEY`: Your Laozhang API key
   * `BASE_URL`: `https://api2.laozhang.ai`
3. Complete deployment

### Docker Deployment

```bash theme={null}
docker run -d \
  --name chatgpt-next-web \
  -p 3000:3000 \
  -e OPENAI_API_KEY="Your Laozhang API key" \
  -e BASE_URL="https://api2.laozhang.ai" \
  yidadaa/chatgpt-next-web
```

## Configuration Instructions

### Basic Configuration

Configure in the settings page:

* **API Key**: Enter your Laozhang API key
* **API Address**: `https://api2.laozhang.ai`

### Non-OpenAI Models

For models like Claude, Gemini, etc.:

1. Add in "Custom Models"
2. Format: `+ModelName@OpenAI`
3. Example: `+claude-opus-4-7@OpenAI`

## Core Features

### Preset Prompts

Built-in rich prompt templates

### Mask Feature

Create preset AI personas

### Conversation Export

Supports Markdown, image, and PDF formats

### Access Control

Set password protection for your application

## Environment Variables

```bash theme={null}
# API Configuration
OPENAI_API_KEY=Your Laozhang API key
BASE_URL=https://api2.laozhang.ai

# Access Control
CODE=Your access password

# Model Configuration
DEFAULT_MODEL=gpt-4.1-mini
CUSTOM_MODELS=+claude-opus-4-7@OpenAI
```

## Usage Tips

### Model Selection Strategy

| Task Type          | Recommended Model | Reason                 |
| ------------------ | ----------------- | ---------------------- |
| Daily Conversation | GPT-4.1 Mini      | Fast and economical    |
| Complex Reasoning  | GPT-4             | High accuracy          |
| Creative Writing   | Claude Opus 4.7   | Strong creativity      |
| Code Programming   | GPT-4             | Strong logical ability |

### Prompt Optimization

```markdown theme={null}
# Role Setting
You are an experienced [specific role]

# Task Description
Please help me [specific task]

# Output Requirements
- Requirement 1
- Requirement 2
```

## Common Issues

### Models Not Showing

Ensure using version v2.13.0+

### Connection Failed

Check API address: `https://api2.laozhang.ai`

### Response Interrupted

Check account balance and network connection

## Updates and Maintenance

### Vercel Update

Sync fork in GitHub, Vercel will automatically redeploy

### Docker Update

```bash theme={null}
docker pull yidadaa/chatgpt-next-web
docker stop chatgpt-next-web
docker rm chatgpt-next-web
# Re-run container
```

Need more help? Please check the [scenario overview](/en/scenarios).