Three popular AI chatbots now all have their own Deep Research tools that combine LLMs with a reasoning model and web search. This means you can generate detailed reports on any topic. And now, these professional tools are available for free (with limits).

OpenAI is releasing a new lightweight version of the “Deep Research” feature in ChatGPT, which should be cheaper to run—and that makes it possible for the company to make it available to ChatGPT’s free users.

OpenAI is introducing a new version of its ChatGPT deep research tool that it says is cheaper to operate. The “lightweight” model is available now to free users, as well as those on several of the company’s paid tiers.