China’s frontier artificial intelligence labs are ending the lunar year on a high note, racing to release a series of new AI models in the last few weeks of the Year of the Snake as the country gears up to celebrate the start of the Year of the Horse. Beijing-based Zhipu AI and Shanghai-quartered MiniMax, which just made their stock exchange debuts in Hong Kong, would be the next to update their flagship AI systems with across-the-board enhancements, according to sources familiar with their...