[Meituan LongCat Open-Sources VitaBench 2.0: A New Benchmark for Long-Term Dynamic Agents] According to a report by Jinse Finance on June 25, Meituan's technical team announced that VitaBench 2.0 is the first intelligent agent evaluation benchmark designed for long-term dynamic user modeling in real-life scenarios. It systematically evaluates the capabilities of large language models in personalization and proactivity during long-term, real, and dynamic user interactions.