Perplexity AI

Listed at https://docs.perplexity.ai

Overall Rank #6 ⭐⭐ Recommended
❌ Proxy required | 🌍 International

💰 Token Pricing

TypePriceNote
Input Sonar Pro: $3/M, Sonar: $1/M per million tokens
Output Sonar Pro: $15/M, Sonar: $1/M per million tokens
💡 Free Credits:

🤖 Supported Models (3)

Sonar ProSonarPerplexity Assistant

✨ Pros

  • Sonar Pro with built-in web search, responses cite sources
  • Clean API, mirrors web experience 1:1
  • Fast response (Sonar ~300ms first token)
  • Search result quality better than GPT-4o online
  • Custom search_domain_limit parameter

⚠️ Cons

  • ×No Function Calling support
  • ×Model not selectable (underlying model fixed)
  • ×No free API tier, pricing not low
  • ×Proxy required in China
  • ×Search-only, not for general chat

🎯 Best For

Search-enhanced Q&A apps; citation-reliable content generation; research assistance tools