OpenAI brings ‘lightweight’ deep research tool to free ChatGPT users

OpenAI is making the “lightweight” version of its ChatGPT deep research tool available to users on the free plan, as well as Plus, Team, and Pro subscribers.In a post on X, the company said, “We’ve noticed many of you love using deep research, so we’re expanding usage for Plus, Team, and Pro users by introducing a lightweight version of deep research in order to increase current rate limits.”

“We’re also rolling out the lightweight version to free users,” it added.

This new version, powered by OpenAI’s o4-mini model, is described as…