The ChatGPT website, as a language model, has been trained on a wide variety of internet text, including code snippets in a range of programming languages. Including Python, JavaScript ...

In the case of GPT-4, that data is quite out ... Secondly, it can now run the code it writes. OpenAI has given it a working Python interpreter, sitting in a "sandboxed, firewalled execution ...

Canvas displays content in a separate window alongside the AI chat ... if your code is JavaScript, with a few clicks it can become PHP, TypeScript, Python, C++, or Java. As with GPT-4o by itself ...