Archive · 19 Sep 2025
OpenAI Updates ChatGPT with Speed Control for GPT-5
OpenAI has updated ChatGPT, letting users control GPT-5's response speed.
Subscribers of Plus and Business can choose between Standard and Extended modes.
Pro users get Light, Standard, and Heavy options.
These modes allow users to balance quick replies with detailed responses.
The chosen mode stays active until manually changed.
OpenAI also launched GPT-5 Codex, an AI for software development, designed to help write, debug, and review code efficiently.
OpenAI introduces new 'Thinking' modes for ChatGPT users.
Feature allows Plus, Pro, and Business subscribers to choose response speed.
Pro users get Light, Standard, and Heavy modes.
Other users have Standard and Extended modes.
GPT-5 Codex, an AI for software development, was also launched.
- Who
- OpenAI and ChatGPT users
- What
- Introduced customizable 'Thinking' modes for GPT-5
- When
- Announced on September 18
- Where
- Web version of ChatGPT
- Why
- To provide more control over response speed and depth
User Preferences
AI Performance
Speed vs. Depth
User Preferences
Users may prefer faster responses.
AI Performance
Some users need in-depth, detailed answers.
- Feature
- Customizable 'Thinking' Modes
- Availability
- Web version of ChatGPT
- Users
- Plus, Pro, and Business subscribers
- Pro Tier Modes
- Light, Standard, and Heavy
- Other Tier Modes
- Standard, Extended
- Purpose
- Customize GPT-5 response speed
- Announcement Date
- September 18
