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.

ChatGPT Deep Research is now free for all users, however, it's powered by the smaller o4-mini model and limited to 5 tasks ...

Here's a ChatGPT guide to help understand Open AI's viral text-generating system. We outline the most recent updates and ...

It’s official: GPT-4 is being retired from ChatGPT. OpenAI recently announced that starting April 30, 2025, GPT-4 will no ...

These new models mark OpenAI’s shift toward reasoning-based AI, but what does that mean? Simply put, unlike conventional ...

Former employees of OpenAI are appealing to the top law enforcement officers in California and Delaware to halt the company’s ...

Some users on X say ChatGPT began calling them by their names even though they’d disabled memory and related personalization settings. OpenAI hasn ... said it was doing research for “Kyle.” ...

An AI researcher tests five large language models (LLMs), including OpenAI ChatGPT and Elon Musk's xAI Grok, to find their ...

On Wednesday, OpenAI announced the release of two new models—o3 and o4-mini—that combine simulated reasoning capabilities ...

The reasoning systems are based on a technology called large language models, or L.L.M.s. To build reasoning systems, ...