GitHub accidentally leaked OpenAI's GPT-5 models ahead of their official announcement. Here's everything you need to know about this long-anticipated release.

GitHub has accidentally announced OpenAI’s new range of GPT-5 models. A now-deleted GitHub blog post reveals that GPT-5, which will be available in four different versions, offers “major improvements in reasoning, code quality, and user experience.”

The updates are an admission that GPT-5's routing of requests is not to the taste of every user, and it needs to do more work. After Altman's admission on X, OpenAI VP and Head of ChatGPT, Nick Turley, admitted, "We're not always going to get everything on try #1," but said he was "very proud of how quickly the team can iterate."

OpenAI GPT-5 is going to shock the world on Thursday!” That’s a direct quote from a well-regarded developer friend of mine on LinkedIn, two days before the release of GPT-5. “GPT-5: Overdue, overhyped and underwhelming.

But if the social media reception thus far is any indication, it appears more that GPT-5 is breaking brains, rather than expectations. That's because, by most accounts, the GPT-5 hype train has derailed;