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Lu Liu is an artificial intelligence researcher specializing in meta-learning and multimodal AI. She is noted for her contributions to OpenAI's 4o image generation model and for joining Meta's Superintelligence Labs in July 2025 as part of a high-profile talent acquisition initiative. [1] [2]
Liu is a doctoral candidate in computer science at the University of Technology Sydney (UTS), where she is affiliated with the Australian Artificial Intelligence Institute (AAII) and its Data Science and Knowledge Discovery Lab. Her PhD research centers on meta-learning, a subfield of machine learning often described as a potential step toward Artificial General Intelligence (AGI). Liu's work specifically investigates methods to augment the meta-learning process by using the structured relationships between objects to enhance the performance of deep learning models in few-shot learning scenarios, with a particular application in image recognition tasks. [3] [5]
Liu's career includes positions at several prominent technology and AI companies. According to her professional social media profile, she has previously worked at Google DeepMind and Character.ai. She later joined OpenAI as a Research Scientist, where she became a key contributor to the development of the company's 4o image generation model. This project was noted for its significant public impact, attracting millions of users shortly after its launch.
In July 2025, news outlets reported that Liu, along with her OpenAI colleague Allan Jabri, had been recruited by Meta Platforms. This move was part of a widely publicized and aggressive talent acquisition strategy by Meta to build a leading AI research division. Liu joined the company's newly formed Meta Superintelligence Labs, a flagship unit established to develop advanced generative models capable of processing and creating integrated text, image, audio, and video content. The hiring campaign reportedly involved substantial compensation packages and direct engagement from Meta's executive leadership to attract top researchers from competitors like OpenAI, Google DeepMind, and Anthropic.
Liu's research is concentrated in machine learning, with a stated belief that the field will continue to be a major factor influencing all parts of society. Her primary focus is on meta-learning, or "learning to learn," which aims to create models that can quickly adapt to new tasks using very few examples. Her work has been published in a number of top-tier, peer-reviewed academic conferences and journals, including NeurIPS, AAAI, the International Joint Conference on Artificial Intelligence (IJCAI), and IEEE Transactions on Knowledge and Data Engineering (TKDE).
Liu has identified several real-world applications for her research in few-shot and meta-learning. These include:
These applications demonstrate the potential of her work to address fundamental challenges in deploying machine learning in practical, data-scarce, and privacy-sensitive environments.
During her doctoral studies, Liu has engaged in research collaborations with academics both within Australia and internationally. Her Australian collaborators include Professor Fethi Rabhi and Professor Lina Yao from the University of New South Wales. Her international research partners include Professor William Hamilton of McGill University in Canada, Hugo Larochelle of Google Brain in Canada, and Tianyi Zhou of the University of Washington in the United States. [3] [1] [2] [4] [5]