Perplexity vs ChatGPT: Which Wins for Research? (2026)

Perplexity vs ChatGPT - Perplexity uses live citations; ChatGPT hallucinates. See real accuracy data, research speed comparison, and when to use each tool for fact-checking.

Perplexity vs ChatGPT - Perplexity uses live citations; ChatGPT hallucinates. See real accuracy data, research speed comparison, and when to use each tool for fact-checking.

A new report from Artificial Analysis shows the top AI models are very close in overall performance. In its Intelligence Index v4.0, GPT-5.2 leads with 50 points, Claude Opus 4.5 follows with 49, and Gemini 3 Pro is right behind…