
OpenAI’s latest update lets ChatGPT users choose how fast GPT-5 thinks: How the new feature works
Published on: Sept. 19, 2025, 7:28 a.m. | Source: Livemint
OpenAI has added a new feature to ChatGPT, letting Plus, Pro and Business users control GPT-5 Thinking’s response speed. Users can choose between Standard, Extended, Light and Heavy modes to balance speed and depth.