How to Choose Between ChatGPT, Gemini, and Perplexity's Deep Research Tools

You might be used to AI chatbots answering your questions with a few sentences or even paragraphs, but how about multipage reports? With Deep Research, that's exactly what the likes of ChatGPT, Gemini, and Perplexity are doing, utilizing their large language models alongside web searches and reasoning capabilities to become research assistants of sorts.

A Deep Research query takes time (anything between five minutes to 30 minutes, depending on what you ask), but comes back to you with a detailed report on any subject you can ask about...