Perplexity AI vs ChatGPT

ChatGPT is a general-purpose conversational AI with superior reasoning and a larger user base (200M+ users), while Perplexity AI specializes in real-time web search and citation-backed answers, making it better for research and fact-checking. ChatGPT requires ChatGPT Plus ($20/month) for advanced features, whereas Perplexity offers free tier access with web search capabilities.