MIT
Elaine Ya LeAI Research Scientist, MSL · MetaResearcher↗
Researcher
Hyung Won Chung
MetaAI Research Scientist, MSL
Chung helped make language models better at following instructions through Flan-T5 and Flan-PaLM, which train on many tasks phrased as requests.[1] He later contributed to OpenAI’s o1 reasoning models[3] and Deep Research, an agent for researching questions on the web, and led model training for Codex mini, a coding assistant.[2]
Career & education
Current roleMeta2025-presentAI Research Scientist, MSL
Meta2025-presentPreviously
OpenAI2023-2025Research Scientist
Google Brain2019-2023Senior Research Scientist
OpenAI2023-2025Google Brain2019-2023Education
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Citation Trend
Total citations to scholarly work, including research papers, technical reports, books and theses, as recorded by Google Scholar. Each point is a dated snapshot.
citations78,845As of Nov 10, '26
citations+7,409Since last snapshot, Aug 8, '26
Selected contributions
GPT-4 Technical Report
With OpenAI, Joshua Achiam, Steven Adler, Sandhini Agarwal, Lama Ahmad, Ilge Akkaya, Florencia Leoni Aleman and others ·Reported GPT-4's capabilities, limitations and safety evaluations as a text-and-image input model.
PaLM: Scaling Language Modeling with Pathways
With Aakanksha Chowdhery, Sharan Narang, Jacob Devlin, Maarten Bosma, Gaurav Mishra, Adam Roberts, Paul Barham and others ·Presented PaLM, a large language model demonstrating gains in reasoning, translation and coding.
References
- Scaling Instruction-Finetuned Language Modelsarxiv.org
Chung helped make language models better at following instructions through Flan-T5 and Flan-PaLM, which train on many tasks phrased as requests.
- Hyung Won Chung — research contributionshwchung2.github.io
He later contributed to OpenAI’s o1 reasoning models and Deep Research, an agent for researching questions on the web, and led model training for Codex mini, a coding assistant.
Based on public sources. If accuracy is important, verify details using the links or references.
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Reviewed August 8, 2026 · Checked for accuracy and new information.
