Both platforms are AI chatbots that offer similar features, such as NLU and Text-to-Speech capabilities, pre-built dialogue flows, and use cases for customer service, marketing, e-commerce, healthcare, and marketing. However, ChatGPT offers more advanced NLU capabilities and extensive dialogue flow options, while Chatsonic has more robust TTS capabilities and pre-built chatbot building blocks. In addition, ChatGPT is trained with data terminating in 2021. Chatsonic, on the other hand, integrated Google Search to ensure accurate results. Ultimately, both platforms offer instant responses to questions on a wide range of topics.