aiplans.dev is an AI pricing comparison platform that helps users compare AI subscription plans and API token prices across providers. Compare GPT-5, Claude, DeepSeek, Gemini, and other AI models to find the best deals.

aiplans.dev

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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

# 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

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