Posted in Web 5 ChatGPT Plus features that I use all the time and now I can’t live … June 18, 2025 A ChatGPT Plus account gives you almost unlimited access to Deep Research, using multiple reasoning models (o4-mini, o4-mini-high, and o3), and a research preview of GPT-4.5. https://www.techradar.com/computing/artificial-intelligence/5-chatgpt-plus-features-that-i-use-all-the-time-and-now-i-cant-live-without