DeepSeek announced what appeared to be an update to its older V3 artificial intelligence model on Tuesday, declaring an enhanced version ready for testing.The V3.1 has a longer context window, according to a DeepSeek post to its official WeChat group, meaning it can consider a larger amount of information for any given query. That could allow it to maintain longer conversations with better recall, for example. The Hangzhou-based startup didn’t offer much more detail on the update and hasn’t post...