Some tech workers in San Francisco hooked up ChatGPT to a Toyota Corolla and got it to drive around a parking lot. This may not sound impressive in the age of the self-driving car until you realize that the LLM driving the car was a general purpose chatbot running on a laptop and not the purpose-built driving system based on millions of hours of training data used by Waymo or Tesla. The people behind the stunt call themselves DrivingBench and they’ve posted their code , their prompts , and videos of the experiment online. In the experiment, DrivingBench hooked up GPT-6 Astra, Claude Fable 5. 1, Grok 4. 6, and GPT-5