Core Viewpoint - The online model version of DeepSeek has been upgraded to V3.1, expanding the context length to 128K, while maintaining the same access methods through the official website, app, mini-program, and API calls [1] Group 1 - DeepSeek's online model has been upgraded to version 3.1 [1] - The context length has been expanded to 128K [1] - Access methods remain unchanged, including the official website, app, mini-program, and API [1]