Tai Nguyen

I am Tai (Đức Tài), a research engineer at Apple . I am working on post-training, multimodality, and on-device language models for Apple Intelligence.

Previously, I got my MS from the University of Pennsylvania, where I got started on research with Eric Wong and Chris Callison-Burch. I was also fortunate to work with Ben Bogin from Ai2.

Before that, I studied Economics at the wonderful Haverford College and wrote my undergraduate thesis on the impact of Airbnb on welfare.

I grew up in Saigon, Vietnam 🇻🇳.

Email  /  GitHub  /  Google Scholar  /  huggingface  /  Twitter

profile photo
Photo credit: Grace Pindzola

Work

Capacity of a LoRA Adapter (Part 1) Jul 2026

Measure how many bits a LoRA is worth with DataDecide

Self-play on a Vintage Language Model Jun 2026

Lessons from applying SPICE on a pre-1931 language model


Research

(*: equal contribution)

DataDecide: How to Predict Best Pretraining Data with Small Experiments


Ian Magnusson*, Nguyen Tai*, Ben Bogin*, David Heineman, Jena D Hwang, Luca Soldaini, Akshita Bhagia, Jiacheng Liu, Dirk Groeneveld, Oyvind Tafjord, Noah A Smith, Pang Wei Koh, Jesse Dodge
ICML 2025
DataWorld Workshop Oral

arxiv / code / blog / huggingface / press /

MMTEB: Massive Multilingual Text Embedding Benchmark


Kenneth Enevoldsen, Isaac Chung, ... Nguyen Tai ..., Niklas Muennighoff
ICLR 2025
arxiv / code / website /

In-context Example Selection with Influences


Nguyen Tai, Eric Wong
arXiv 2024
arxiv / code / blog /

Explanation-based Finetuning Makes Models More Robust to Spurious Cues


Josh Magnus Ludan, Yixuan Meng*, Tai Nguyen*, Saurabh Shah*, Qing Lyu, Marianna Apidianaki, Chris Callison-Burch
ACL 2023
arxiv / code /

Software Entity Recognition with Noise-robust Learning


Tai Nguyen, Yifeng Di, Joohan Lee, Muhao Chen, Tianyi Zhang
ASE 2023
arxiv / code / huggingface /


Miscellanea

I enjoy boxing and tennis in my free time. I am a fan of the Seahawks, and try to travel as much as I can.

My Top 100 list inspired by Huyền Chip.


Adapted from Jon Barron's website