Qwen and Alibaba logos are seen in this illustration taken, January 29, 2025. REUTERS/Dado Ruvic/Illustration/File Photo Purchase Licensing Rights, opens new tabBEIJING, Feb 16 (Reuters) - Alibaba on Monday unveiled a new artificial intelligence model Qwen 3.5 designed to execute complex tasks independently, with big improvements in performance and cost that the Chinese tech giant claims beat major U.S. rival models on several benchmarks.The release comes as Alibaba looks to attract more users t...