March 20 ChatGPT outage: Here’s what happened
An update on our findings, the actions we’ve taken, and technical details of the bug.
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Sycophancy in GPT-4o: what happened and what we’re doing about it
We have rolled back last week’s GPT‑4o update in ChatGPT so people are now using an earlier version with more balanced behavior. The update we removed was overly flattering or agreeable—often described as sycophantic.
More ways to work with your team and tools in ChatGPT
New shared projects, smarter connectors, and compliance and security updates help teams get more done.
Spring Update
Introducing GPT-4o and making more capabilities available for free in ChatGPT.
Custom instructions for ChatGPT
We’re rolling out custom instructions to give you more control over how ChatGPT responds. Set your preferences, and ChatGPT will keep them in mind for all future conversations.
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 and Whisper APIs
New in ChatGPT for Business: March 2025
Join us as we share our latest releases and how ChatGPT is becoming more interactive, customized to the way your teams work, and agentic.
Introducing apps in ChatGPT and the new Apps SDK
We’re introducing a new generation of apps you can chat with, right inside ChatGPT. Developers can start building them today with the new Apps SDK, available in preview.
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.
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.
New in ChatGPT for Business: April 2025
Watch hands-on demos of the lastest in ChatGPT for Business: o3, image generation, enhanced memory, and internal knowledge.