Without publicly accessible code, there would be no AI chatbot - When OpenAI released ChatGPT 3.5 in late November 2022, no one expected much from the new release. It was just a "research preview," explained Sandhini Agarwal, an AI Policy researcher at OpenAI. "We didn't want to oversell it as a big fundamental advance," added Liam Fedus, a scientist at the org.