AI前线·2025-05-14 08:12Core Viewpoint - The WizardLM team, including key member Can Xu, has left Microsoft to join Tencent's Hunyuan division, amidst speculation regarding the timing of their departure coinciding with Microsoft's global layoffs [1][2]. Group 1: Team Departure and Background - Can Xu announced his departure from Microsoft, clarifying that it was his personal decision and not the entire WizardLM team [1]. - Most core members of the WizardLM team have reportedly already left Microsoft prior to the announcement, and their departure is not directly related to the layoffs affecting approximately 6,000 employees [2]. - The WizardLM team was established in early 2023, focusing on the development of advanced large language models (LLMs) [4]. Group 2: Team Members and Contributions - Key members of the WizardLM team include Qingfeng Sun and Can Xu, both of whom have significant backgrounds in AI research and have contributed to various projects at Microsoft [5]. - Can Xu has led the development of several models under the WizardLM series, with over 40 papers published in top international conferences and more than 3,300 citations on Google Scholar [5]. Group 3: Model Development and Achievements - The WizardLM team introduced the Evol-Instruct method, which generates diverse instruction data using LLMs, outperforming human-created datasets in evaluations [6][9]. - The WizardLM model has achieved notable performance metrics, including a 97.8% score compared to ChatGPT on the Evol-Instruct test set [10]. - In a ranking of large language models, WizardLM was placed fourth globally, marking it as the top open-source model from a Chinese team [13][14]. Group 4: Tencent's AI Strategy - Tencent has restructured its AI model development framework, focusing on "computing power, algorithms, and data," and plans to invest approximately 124.9 billion USD in AI development this year [24][26]. - The company has established new technical departments dedicated to large language models and multimodal models to enhance its AI capabilities [24][25]. Group 5: Challenges and Community Impact - Following the release of the WizardLM-2 models, Microsoft retracted them due to missing toxicity testing, which has raised concerns within the AI community [19][21]. - The CEO of Hugging Face expressed that Microsoft's actions have negatively impacted various open-source projects and the community at large [21][23].