China’s DeepSeek unveiled two new versions of an experimental artificial-intelligence model it released weeks ago, adding fresh capabilities the startup said would help with combining reasoning and executing certain actions autonomously.While the model the Hangzhou-based company released in September was called DeepSeek-V3.2-Exp in a nod to its experimental status, the latest version is dubbed simply DeepSeek-V3.2. The startup says the new service matches the performance of OpenAI Inc.’s flagshi...