ChatGPT Plus users not only get an improved GPT-5 experience that lets you pick from a few use cases, you also get some older legacy models.

The new model is available now, including those who use ChatGPT's free tier. Unlike some of OpenAI's incremental releases, GPT-5 will be rolled out for all users, not just the companies paying for big enterprise plans. There are, naturally, some differences between how it looks based on your pricing plan. Here's a breakdown:

In an interview, the head of ChatGPT says ‘we have to give people some level of predictability when there’s a major change.’ After the backlash to replacing its 4o model with GPT-5, OpenAI will no longer get rid of old models without a heads up.