Chinese artificial intelligence start-up DeepSeek has updated its flagship AI model, adding support for a large context window with more up-to-date knowledge and fuelling further anticipation over its next major release.When asked, DeepSeek’s namesake chatbot confirmed in multiple responses that from Wednesday it had expanded its context window from 128,000 tokens to over 1 million – a nearly tenfold increase expected to improve AI systems’ handling of human queries.A larger context window means...