Artificial intelligenceCompany also releases free version of its 'Harness' tool similar to Claude CodeDeepSeek's V4 Pro model comes with greatly enhanced agent capabilities but at a price nearly five times higher than previously announced. © ReutersCISSY ZHOUAugust 14, 2026 00:06 JSTTOKYO -- China's artificial intelligence darling DeepSeek released the official version of its V4 Pro AI model on Thursday with greatly enhanced agent capabilities but at a substantially higher price for users than what the company previously announced.