The LLaMA series models are large-scale models with excellent foundational capabilities and an open ecosystem. Colossal-AI has released a comprehensive solution for LLaMA2, supporting models ranging from 7 billion to 700 billion parameters, and offering out-of-the-box training, fine-tuning, and inference solutions, with training acceleration reaching 195%. Colossal-AI also introduces an all-in-one cloud platform solution, which masks the underlying distributed parallel computing, memory, and communication management, thereby reducing the costs associated with large-scale model development and application deployment.