WeLM Playground is an online chat demo based on the open-source Chinese language model WeLM. Users can interact with AI through the web and get writing assistance. It provides stable and fluent language generation, supporting free chat, topic control, long-form conversation, text continuation, and other functions. As one of Anthropic's open-source large models, WeLM Playground is completely free, with open-source code, allowing users to access it without registration. It aims to enable ordinary users to safely and conveniently experience the convenience that LLM dialogue brings.