papers

Publications (50)

cs.AI2023

The Flan Collection: Designing Data and Methods for Effective Instruction Tuning

Shayne Longpre, Le Hou, Tu Vu +8

We study the design decisions of publicly available instruction tuning methods, and break down the development of Flan 2022 (Chung et al., 2022). Through careful ablation studies o…

eess.IV2019

Attention-Based Deep Neural Networks for Detection of Cancerous and Precancerous Esophagus Tissue on Histopathological Slides

Naofumi Tomita, Behnaz Abdollahi, Jason Wei +3

Deep learning-based methods, such as the sliding window approach for cropped-image classification and heuristic aggregation for whole-slide inference, for analyzing histological pa…

cs.CL2022

Finetuned Language Models Are Zero-Shot Learners

Jason Wei, Maarten Bosma, Vincent Y. Zhao +6

This paper explores a simple method for improving the zero-shot learning abilities of language models. We show that instruction tuning -- finetuning language models on a collection…

cs.CL2022

Challenging BIG-Bench Tasks and Whether Chain-of-Thought Can Solve Them

Mirac Suzgun, Nathan Scales, Nathanael Schärli +8

BIG-Bench (Srivastava et al., 2022) is a diverse evaluation suite that focuses on tasks believed to be beyond the capabilities of current language models. Language models have alre…

cs.CL2022

The MultiBERTs: BERT Reproductions for Robustness Analysis

Thibault Sellam, Steve Yadlowsky, Jason Wei +9

Experiments with pre-trained models such as BERT are often based on a single checkpoint. While the conclusions drawn apply to the artifact tested in the experiment (i.e., the parti…

cs.AI2023

Foundation Models for Decision Making: Problems, Methods, and Opportunities

Sherry Yang, Ofir Nachum, Yilun Du +3

Foundation models pretrained on diverse data at scale have demonstrated extraordinary capabilities in a wide range of vision and language tasks. When such models are deployed in re…

cs.CL2023

FreshLLMs: Refreshing Large Language Models with Search Engine Augmentation

Tu Vu, Mohit Iyyer, Xuezhi Wang +8

Most large language models (LLMs) are trained once and never updated; thus, they lack the ability to dynamically adapt to our ever-changing world. In this work, we perform a detail…

cs.CL2024

GPT-4 Technical Report

OpenAI, Josh Achiam, Steven Adler +278

We report the development of GPT-4, a large-scale, multimodal model which can accept image and text inputs and produce text outputs. While less capable than humans in many real-wor…

eess.IV2021

A Petri Dish for Histopathology Image Analysis

Jerry Wei, Arief Suriawinata, Bing Ren +9

With the rise of deep learning, there has been increased interest in using neural networks for histopathology image analysis, a field that investigates the properties of biopsy or…

cs.CL2021

A Survey of Data Augmentation Approaches for NLP

Steven Y. Feng, Varun Gangal, Jason Wei +4

Data augmentation has recently seen increased interest in NLP due to more work in low-resource domains, new tasks, and the popularity of large-scale neural networks that require la…

astro-ph.EP2018

A Survey of Exoplanetary Detection Techniques

Jason Wei

Exoplanets, or planets outside our own solar system, have long been of interest to astronomers; however, only in the past two decades have scientists had the technology to characte…

cs.CL2021

Good-Enough Example Extrapolation

Jason Wei

This paper asks whether extrapolating the hidden space distribution of text examples from one class onto another is a valid inductive bias for data augmentation. To operationalize…

cs.CL2023

Chain-of-Thought Prompting Elicits Reasoning in Large Language Models

Jason Wei, Xuezhi Wang, Dale Schuurmans +6

We explore how generating a chain of thought -- a series of intermediate reasoning steps -- significantly improves the ability of large language models to perform complex reasoning…

cs.CL2019

EDA: Easy Data Augmentation Techniques for Boosting Performance on Text Classification Tasks

Jason Wei, Kai Zou

We present EDA: easy data augmentation techniques for boosting performance on text classification tasks. EDA consists of four simple but powerful operations: synonym replacement, r…

cs.CL2022

Rationale-Augmented Ensembles in Language Models

Xuezhi Wang, Jason Wei, Dale Schuurmans +3

Recent research has shown that rationales, or step-by-step chains of thought, can be used to improve performance in multi-step reasoning tasks. We reconsider rationale-augmented pr…

eess.IV2022

Calibrating Histopathology Image Classifiers using Label Smoothing

Jerry Wei, Lorenzo Torresani, Jason Wei +1

The classification of histopathology images fundamentally differs from traditional image classification tasks because histopathology images naturally exhibit a range of diagnostic…

cs.CL2021

Mitigating Political Bias in Language Models Through Reinforced Calibration

Ruibo Liu, Chenyan Jia, Jason Wei +3

Current large-scale language models can be politically biased as a result of the data they are trained on, potentially causing serious problems when they are deployed in real-world…

cs.CL2023

Mixture-of-Experts Meets Instruction Tuning:A Winning Combination for Large Language Models

Sheng Shen, Le Hou, Yanqi Zhou +17

Sparse Mixture-of-Experts (MoE) is a neural architecture design that can be utilized to add learnable parameters to Large Language Models (LLMs) without increasing inference cost.…

cs.CL2023

Inverse scaling can become U-shaped

Jason Wei, Najoung Kim, Yi Tay +1

Scaling up language models has been empirically shown to improve performance on a wide range of downstream tasks. However, if we were to observe worse performance as a function of…

eess.IV2019

Generative Image Translation for Data Augmentation in Colorectal Histopathology Images

Jerry Wei, Arief Suriawinata, Louis Vaickus +4

We present an image translation approach to generate augmented data for mitigating data imbalances in a dataset of histopathology images of colorectal polyps, adenomatous tumors th…

cs.AI2023

Least-to-Most Prompting Enables Complex Reasoning in Large Language Models

Denny Zhou, Nathanael Schärli, Le Hou +8

Chain-of-thought prompting has demonstrated remarkable performance on various natural language reasoning tasks. However, it tends to perform poorly on tasks which requires solving…

cs.CL2022

Language Models are Multilingual Chain-of-Thought Reasoners

Freda Shi, Mirac Suzgun, Markus Freitag +9

We evaluate the reasoning abilities of large language models in multilingual settings. We introduce the Multilingual Grade School Math (MGSM) benchmark, by manually translating 250…

cs.CL2021

Few-Shot Text Classification with Triplet Networks, Data Augmentation, and Curriculum Learning

Jason Wei, Chengyu Huang, Soroush Vosoughi +2

Few-shot text classification is a fundamental NLP task in which a model aims to classify text into a large number of categories, given only a few training examples per category. Th…

cs.CL2021

A Cognitive Regularizer for Language Modeling

Jason Wei, Clara Meister, Ryan Cotterell

The uniform information density (UID) hypothesis, which posits that speakers behaving optimally tend to distribute information uniformly across a linguistic signal, has gained trac…

cs.CL2022

Mind's Eye: Grounded Language Model Reasoning through Simulation

Ruibo Liu, Jason Wei, Shixiang Shane Gu +5

Successful and effective communication between humans and AI relies on a shared experience of the world. By training solely on written text, current language models (LMs) miss the…

cs.CL2022

PaLM: Scaling Language Modeling with Pathways

Aakanksha Chowdhery, Sharan Narang, Jacob Devlin +64

Large language models have been shown to achieve remarkable performance across a variety of natural language tasks using few-shot learning, which drastically reduces the number of…

cs.CL2023

What Are People Asking About COVID-19? A Question Classification Dataset

Jerry Wei, Chengyu Huang, Soroush Vosoughi +1

We present COVID-Q, a set of 1,690 questions about COVID-19 from 13 sources, which we annotate into 15 question categories and 207 question clusters. The most common questions in o…

cs.CL2022

A Recipe For Arbitrary Text Style Transfer with Large Language Models

Emily Reif, Daphne Ippolito, Ann Yuan +3

In this paper, we leverage large language models (LMs) to perform zero-shot text style transfer. We present a prompting method that we call augmented zero-shot learning, which fram…

cs.CL2022

Large Language Models Encode Clinical Knowledge

Karan Singhal, Shekoofeh Azizi, Tao Tu +27

Large language models (LLMs) have demonstrated impressive capabilities in natural language understanding and generation, but the quality bar for medical and clinical applications i…

cs.CL2024

GPT-4o System Card

OpenAI, :, Aaron Hurst +416

GPT-4o is an autoregressive omni model that accepts as input any combination of text, audio, image, and video, and generates any combination of text, audio, and image outputs. It's…

cs.CL2023

A Pretrainer's Guide to Training Data: Measuring the Effects of Data Age, Domain Coverage, Quality, & Toxicity

Shayne Longpre, Gregory Yauney, Emily Reif +8

Pretraining is the preliminary and fundamental step in developing capable language models (LM). Despite this, pretraining data design is critically under-documented and often guide…

cs.CL2023

UL2: Unifying Language Learning Paradigms

Yi Tay, Mostafa Dehghani, Vinh Q. Tran +11

Existing pre-trained models are generally geared towards a particular class of problems. To date, there seems to be still no consensus on what the right architecture and pre-traini…

cs.CL2023

Larger language models do in-context learning differently

Jerry Wei, Jason Wei, Yi Tay +8

We study how in-context learning (ICL) in language models is affected by semantic priors versus input-label mappings. We investigate two setups-ICL with flipped labels and ICL with…

cs.CL2023

Beyond the Imitation Game: Quantifying and extrapolating the capabilities of language models

Aarohi Srivastava, Abhinav Rastogi, Abhishek Rao +448

Language models demonstrate both quantitative improvement and new qualitative capabilities with increasing scale. Despite their potentially transformative impact, these new capabil…

cs.CL2020

An Empirical Survey of Unsupervised Text Representation Methods on Twitter Data

Lili Wang, Chongyang Gao, Jason Wei +3

The field of NLP has seen unprecedented achievements in recent years. Most notably, with the advent of large-scale pre-trained Transformer-based language models, such as BERT, ther…

cs.CL2023

Self-Consistency Improves Chain of Thought Reasoning in Language Models

Xuezhi Wang, Jason Wei, Dale Schuurmans +5

Chain-of-thought prompting combined with pre-trained large language models has achieved encouraging results on complex reasoning tasks. In this paper, we propose a new decoding str…

cs.CL2025

Deliberative Alignment: Reasoning Enables Safer Language Models

Melody Y. Guan, Manas Joglekar, Eric Wallace +12

As large-scale language models increasingly impact safety-critical domains, ensuring their reliable adherence to well-defined principles remains a fundamental challenge. We introdu…

cs.CL2024

Measuring short-form factuality in large language models

Jason Wei, Nguyen Karina, Hyung Won Chung +5

We present SimpleQA, a benchmark that evaluates the ability of language models to answer short, fact-seeking questions. We prioritized two properties in designing this eval. First,…

cs.LG2022

Scaling Instruction-Finetuned Language Models

Hyung Won Chung, Le Hou, Shayne Longpre +32

Finetuning language models on a collection of datasets phrased as instructions has been shown to improve model performance and generalization to unseen tasks. In this paper we expl…

cs.CV2020

Learn like a Pathologist: Curriculum Learning by Annotator Agreement for Histopathology Image Classification

Jerry Wei, Arief Suriawinata, Bing Ren +10

Applying curriculum learning requires both a range of difficulty in data and a method for determining the difficulty of examples. In many tasks, however, satisfying these requireme…

cs.CV2020

Difficulty Translation in Histopathology Images

Jerry Wei, Arief Suriawinata, Xiaoying Liu +5

The unique nature of histopathology images opens the door to domain-specific formulations of image translation models. We propose a difficulty translation model that modifies color…

cs.CL2021

Modulating Language Models with Emotions

Ruibo Liu, Jason Wei, Chenyan Jia +1

Generating context-aware language that embodies diverse emotions is an important step towards building empathetic NLP systems. In this paper, we propose a formulation of modulated…

cs.CL2025

HealthBench: Evaluating Large Language Models Towards Improved Human Health

Rahul K. Arora, Jason Wei, Rebecca Soskin Hicks +9

We present HealthBench, an open-source benchmark measuring the performance and safety of large language models in healthcare. HealthBench consists of 5,000 multi-turn conversations…

cs.CL2025

BrowseComp: A Simple Yet Challenging Benchmark for Browsing Agents

Jason Wei, Zhiqing Sun, Spencer Papay +7

We present BrowseComp, a simple yet challenging benchmark for measuring the ability for agents to browse the web. BrowseComp comprises 1,266 questions that require persistently nav…

cs.CL2021

Text Augmentation in a Multi-Task View

Jason Wei, Chengyu Huang, Shiqi Xu +1

Traditional data augmentation aims to increase the coverage of the input distribution by generating augmented examples that strongly resemble original samples in an online fashion…

cs.CL2021

Language Model Augmented Relevance Score

Ruibo Liu, Jason Wei, Soroush Vosoughi

Although automated metrics are commonly used to evaluate NLG systems, they often correlate poorly with human judgements. Newer metrics such as BERTScore have addressed many weaknes…

cs.CL2022

Transcending Scaling Laws with 0.1% Extra Compute

Yi Tay, Jason Wei, Hyung Won Chung +13

Scaling language models improves performance but comes with significant computational costs. This paper proposes UL2R, a method that substantially improves existing language models…

cs.CL2021

Frequency Effects on Syntactic Rule Learning in Transformers

Jason Wei, Dan Garrette, Tal Linzen +1

Pre-trained language models perform well on a variety of linguistic tasks that require symbolic reasoning, raising the question of whether such models implicitly represent abstract…

cs.AI2026

OpenAI o1 System Card

OpenAI, :, Aaron Jaech +261

The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. These advanced reasoning capabilities provide new avenues for improving the…

cs.CL2022

Emergent Abilities of Large Language Models

Jason Wei, Yi Tay, Rishi Bommasani +13

Scaling up language models has been shown to predictably improve performance and sample efficiency on a wide range of downstream tasks. This paper instead discusses an unpredictabl…