OpenAI Blog
May 13, 2024
Introducing GPT-4o and more tools to ChatGPT free users
Introducing GPT-4o and more tools to ChatGPT free users We are launching our newest flagship model and making more capabilities available for free in ChatGPT.
Introducing ChatGPT Go, now available worldwide
ChatGPT Go is now available worldwide, offering expanded access to GPT-5. 2 Instant, higher usage limits, and longer memory—making advanced AI more affordable globally.
Related stories
OpenAI Blog
Aug 6
Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users
ChatGPT introduces improved GPT-5. 6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.
OpenAI Blog
Jun 30
How ChatGPT adoption has expanded
New OpenAI Signals data shows how ChatGPT adoption is growing globally, with users increasing usage, exploring more capabilities, and driving growth across regions and languages.
OpenAI Blog
Apr 20
OpenAI helps Hyatt advance AI among colleagues
Hyatt deploys ChatGPT Enterprise across its global workforce, using GPT-5. 4 and Codex to improve productivity, operations, and guest experiences.
OpenAI Blog
Jan 16
Our approach to advertising and expanding access to ChatGPT
OpenAI plans to test advertising in the U. S.
OpenAI Blog
Dec 16, 2025
Introducing ChatGPT Images and GPT‑Image‑1.5
This 2025 launch introduced a faster ChatGPT Images experience and GPT‑Image‑1.5 in the API. Explore the latest ChatGPT Images 2.5.
OpenAI Blog
May 5
GPT-5.5 Instant: smarter, clearer, and more personalized
GPT-5. 5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
OpenAI Blog
Sep 19, 2024
Genmab launches “AI Everywhere”
Genmab embraces ChatGPT Enterprise, supported by OpenAI’s commitment to security and privacy
OpenAI Blog
Dec 11, 2025
Introducing GPT-5.2
GPT-5. 2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision.
OpenAI Blog
Aug 31
A milestone in expanding access to AI
OpenAI’s ChatGPT Ads has achieved a $1 billion annualized revenue run rate, marking a significant milestone in the company’s expansion. The platform’s growth is accompanied by a global rollout, aiming to broaden access to AI. By offering both free and affordable options, OpenAI seeks to make AI more widely available to users worldwide.
OpenAI Blog
May 13, 2024
Spring Update
Introducing GPT-4o and making more capabilities available for free in ChatGPT.
OpenAI Blog
Sep 15, 2025
How people are using ChatGPT
New research from the largest study of ChatGPT use shows how the tool creates economic value through both personal and professional use. Adoption is broadening beyond early users, closing gaps and making AI a part of everyday life.