I tested ChatGPT's Deep Research against Gemini, Perplexity, and Grok AI to see which is best

Deep Research scours the web to learn about your query and then generates a detailed report. But which AI does it better?

I tested ChatGPT's Deep Research against Gemini, Perplexity, and Grok AI to see which is best
Deep Research scours the web to learn about your query and then generates a detailed report. But which AI does it better?