As an AI language model, ChatGPT doesn't have a physical processor like a computer or server does. Instead, ChatGPT is a software-based model that runs on a cluster of powerful servers managed by OpenAI.
The GPT-3.5 architecture that ChatGPT is based on was trained using a distributed training approach, which means that the training was distributed across multiple GPUs (graphics processing units) in parallel to speed up the training process. During inference (when ChatGPT is generating responses to questions), it's requests are processed on OpenAI's servers using specialized hardware designed to optimize AI workloads, including GPUs and TPUs (tensor processing units).
Overall, the specific hardware configuration used by OpenAI to support ChatGPT is proprietary information, but it is designed to provide high performance and efficiency for natural language processing tasks.