In the current era of rapid iteration of large model applications, large model services represented by MaaS are increasingly becoming one of the core ways for developers to call large model capabilities for application development due to their convenient access methods and low usage thresholds. However, facing the emerging and distinctive large model service platforms in the market, developers often face significant selection difficulties. How to find stable and cost-effective service providers has become an important topic. This presentation shares findings based on market demand and the difficulties developers face. Tsinghua University, in collaboration with the China Software Evaluation Center, launched the '2025 Large Model Service Performance Rankings' to provide comprehensive evaluation and guidance for the industry.