1/ Three years ago, we released ChatGPT as a public research preview at a time when similar AI systems mostly lived inside large companies. We did it because we believed anyone should be able to use advanced AI, not just a select few.
2/ Since then, people have used ChatGPT to learn new skills, build projects, start companies, and unlock creativity in ways we never anticipated. That’s what makes this work meaningful — the idea from the beginning was to put capability in people’s hands and see where they take it.
Sep 27 • 5 tweets • 1 min read
We’ve seen the strong reactions to 4o responses and want to explain what is happening.
1/ We’ve started testing a new safety routing system in ChatGPT.
As we previously mentioned, when conversations touch on sensitive and emotional topics the system may switch mid-chat to a reasoning model or GPT-5 designed to handle these contexts with extra care. This is similar to how we route conversations that require extra thinking to our reasoning models; our goal is to always deliver answers aligned with our Model Spec.
