According to a report from Chinaz.com, OpenAI has launched the GPTs service, allowing users to create their own versions of ChatGPT tailored to specific needs. This service introduces Function Calling capabilities, enhancing the functionality of GPTs. The article provides a detailed example of how to use Function Calling to track the price trends of cryptocurrencies. Both businesses and parents can utilize GPTs to customize assistants and educational tools. The GPTs service gives users greater control over ChatGPT, marking continuous advancements in OpenAI's journey in the field of artificial intelligence.