India, Feb. 2 -- Alibaba said on Monday it will spend 3 billion yuan ($431 million) to attract users to its Qwen AI app during the Lunar New Year holiday, heating up a race between China's largest tech firms. The pledge by Alibaba, which triples the spending promised earlier by rivals Tencent and Baidu, is set to start on February 6. It will involve incentives for dining, drinks, entertainment and leisure, with "large red envelopes distributed continuously," Alibaba said in a statement. Tencent and Baidu announced late last month they would spend 1 billion yuan and 500 million yuan respectively on similar promotions for their AI chatbots. Chinese tech companies have long used the Lunar New Year festive period - when hundreds of millions t...