Sam Altman took to X on Saturday to contend that the latest updates to ChatGPT 4o make it the "best search product" online.

Inspired by OpenAI, and Google,  Perplexity AI has launched Deep Research, a tool for autonomously conducting in-depth ...

Perplexity’s Deep Research tool is similar to ChatGPT and Google Gemini. However, it is available to free users with a ...