aiplans

# aiplans.dev

[English](#english) | [中文](#中文)

---

## English

### Overview

**aiplans.dev** is an AI pricing comparison platform that helps users compare AI subscription plans and API token prices across providers. Compare GPT-4, DeepSeek, DeepSeek, DeepSeek, and other AI models to find the best deals.

### Features

- **Subscription Plan Comparison** - Compare ChatGPT Plus, DeepSeek Pro, DeepSeek, and other AI subscription plans
- **API Price Comparison** - Compare API prices for the same model across different channels (official, Azure, OpenRouter, SiliconFlow, etc.)
- **Multi-currency Support** - Prices in USD and CNY
- **China-Optimized** - Track domestic payment methods and accessibility (Alipay/WeChat)
- **Benchmark Integration** - View Chatbot Arena ELO scores alongside pricing
- **Coupon Community** - Submit and vote on discount codes

### Tech Stack

- **Frontend**: Next.js 16 (App Router), TypeScript, TailwindCSS v4, Shadcn/UI
- **Backend**: Next.js API Routes, Drizzle ORM
- **Database**: PostgreSQL (Supabase)
- **Deployment**: Vercel
- **Analytics**: Vercel Analytics

### Quick Start

```bash
# Install dependencies
npm install

# Start development server
npm run dev

# Build for production
npm run build

# Start production server
npm run start
```

### Data scraping and accuracy

```bash
npm run scrape              # all API price scrapers (~20 providers)
npm run scrape:plans        # all plan scrapers (~12 providers)

npm run audit               # read-only data accuracy check
npm run fix:data:dry-run    # preview api_channel_prices fixes
npm run fix:plans:dry-run   # preview plan fixes
npm run migrate             # apply idempotent DB migrations
```

See `scripts/README.md` and `CLAUDE.md` for the full data-layer
architecture (write-boundary validation, NO FALLBACK principle,
`plans.source` protection, Chatbot Arena ELO ingestion).

### Environment variables

Create `.env.local`:

```
NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
NEXT_PUBLIC_SUPABASE_ANON_KEY