Chinese artificial intelligence start-up DeepSeek has updated its foundational V3 model and removed references to its reasoning model R1 from its chatbot, prompting speculation about a shift in the company’s research focus. DeepSeek announced on Tuesday the release of the V3.1 model in a brief message to one of its WeChat user groups. The update expands the context window to 128k, allowing the model to hold more information – equivalent to a roughly 300-page book – during user interactions. The...