One of the best ChatGPT tools is Deep Research, but so far, it has required a subscription. OpenAI now offers a lighter version and expanded it to free users.

If you’re using ChatGPT for free and want to try its Deep Research capability without paying, you are in luck. Here's what it can do.

Though not as powerful as the full Deep Research, the new lighter version is available to all ChatGPT users, and it'll ...