activity
20192026
most citedTowards a Holistic Framework for Multimodal Large Language Models in Three-dimensional Brain CT Report Generation

66 citations · 214 across the 40 of their papers we have counts for

collaborators

42 papers

cs.CL2026

Planned Test-Time Scaling with Coordinated Reasoning Paths

Xueqing Wu, Langxing Bai, Hritik Bansal +5

Test-time scaling with parallel branches is widely adopted to improve performance on challenging reasoning tasks. The predominant approach, repeated sampling, draws branches indepe…

cs.AI2026

OpenThoughts-Agent: Data Recipes for Agentic Models

Negin Raoof, Richard Zhuang, Marianna Nezhurina +47

Agentic language models dramatically expand the applications of AI yet little is publicly known about how to curate training data for broadly capable agents. Existing open efforts…

cs.AI2026

SUPERNOVA: Eliciting General Reasoning in LLMs with Reinforcement Learning on Natural Instructions

Ashima Suvarna, Kendrick Phan, Mehrab Beikzadeh +2

Reinforcement Learning with Verifiable Rewards (RLVR) has substantially improved reasoning in formal domains such as mathematics and code, but extending these gains beyond STEM rem…

cs.CV2025

HoneyBee: Data Recipes for Vision-Language Reasoners

Hritik Bansal, Devendra Singh Sachan, Kai-Wei Chang +4

Recent advances in vision-language models (VLMs) have made them highly effective at reasoning tasks. However, the principles underlying the construction of performant VL reasoning…

cs.LG2025★ 1 cited

OpenThoughts: Data Recipes for Reasoning Models

Etash Guha, Ryan Marten, Sedrick Keh +47

Reasoning models have made rapid progress on many benchmarks involving math, code, and science. Yet, there are still many open questions about the best training recipes for reasoni…

cs.CV2025

LaViDa: A Large Diffusion Language Model for Multimodal Understanding

Shufan Li, Konstantinos Kallidromitis, Hritik Bansal +7

Modern Vision-Language Models (VLMs) can solve a wide range of tasks requiring visual reasoning. In real-world scenarios, desirable properties for VLMs include fast inference and c…

cs.CL2025

When To Solve, When To Verify: Compute-Optimal Problem Solving and Generative Verification for LLM Reasoning

Nishad Singhi, Hritik Bansal, Arian Hosseini +4

Scaling test-time compute has emerged as a key strategy for enhancing the reasoning capabilities of large language models (LLMs), particularly in tasks like mathematical problem-so…

cs.CV2025

VideoPhy-2: A Challenging Action-Centric Physical Commonsense Evaluation in Video Generation

Hritik Bansal, Clark Peng, Yonatan Bitton +3

Large-scale video generative models, capable of creating realistic videos of diverse visual concepts, are strong candidates for general-purpose physical world simulators. However,…

cs.CV2025

OpenVLThinker: Complex Vision-Language Reasoning via Iterative SFT-RL Cycles

Yihe Deng, Hritik Bansal, Fan Yin +3

We introduce OpenVLThinker, one of the first open-source large vision-language models (LVLMs) to exhibit sophisticated chain-of-thought reasoning, achieving notable performance gai…

cs.CY2025

Peeking Behind Closed Doors: Risks of LLM Evaluation by Private Data Curators

Hritik Bansal, Pratyush Maini

The rapid advancement in building large language models (LLMs) has intensified competition among big-tech companies and AI startups. In this regard, model evaluations are critical…

cs.CL2025

BIG-Bench Extra Hard

Mehran Kazemi, Bahare Fatemi, Hritik Bansal +17

Large language models (LLMs) are increasingly deployed in everyday applications, demanding robust general reasoning capabilities and diverse reasoning skillset. However, current LL…

cs.AI2024

MedMax: Mixed-Modal Instruction Tuning for Training Biomedical Assistants

Hritik Bansal, Daniel Israel, Siyan Zhao +3

Recent advancements in mixed-modal generative have opened new avenues for developing unified biomedical assistants capable of analyzing biomedical images, answering complex questio…

cs.CL2024★ 1 cited

Smaller, Weaker, Yet Better: Training LLM Reasoners via Compute-Optimal Sampling

Hritik Bansal, Arian Hosseini, Rishabh Agarwal +2

Training on high-quality synthetic data from strong language models (LMs) is a common strategy to improve the reasoning performance of LMs. In this work, we revisit whether this st…

cs.LG2024★ 2 cited

Generative Verifiers: Reward Modeling as Next-Token Prediction

Lunjun Zhang, Arian Hosseini, Hritik Bansal +3

Verifiers or reward models are often used to enhance the reasoning performance of large language models (LLMs). A common approach is the Best-of-N method, where N candidate solutio…

cs.CL2024★ 66 cited

Towards a Holistic Framework for Multimodal Large Language Models in Three-dimensional Brain CT Report Generation

Cheng-Yi Li, Kao-Jung Chang, Cheng-Fu Yang +10

Multi-modal large language models (MLLMs) have been given free rein to explore exciting medical applications with a primary focus on radiology report generation. Nevertheless, the…

cs.LG2024★ 7 cited

DataComp-LM: In search of the next generation of training sets for language models

Jeffrey Li, Alex Fang, Georgios Smyrnis +56

We introduce DataComp for Language Models (DCLM), a testbed for controlled dataset experiments with the goal of improving language models. As part of DCLM, we provide a standardize…

cs.CV2024★ 2 cited

VideoPhy: Evaluating Physical Commonsense for Video Generation

Hritik Bansal, Zongyu Lin, Tianyi Xie +7

Recent advances in internet-scale video data pretraining have led to the development of text-to-video generative models that can create high-quality videos across a broad range of…

cs.CV2024

TALC: Time-Aligned Captions for Multi-Scene Text-to-Video Generation

Hritik Bansal, Yonatan Bitton, Michal Yarom +3

Most of these text-to-video (T2V) generative models often produce single-scene video clips that depict an entity performing a particular action (e.g., 'a red panda climbing a tree'…

cs.CV2024★ 4 cited

Survey of Bias In Text-to-Image Generation: Definition, Evaluation, and Mitigation

Yixin Wan, Arjun Subramonian, Anaelia Ovalle +6

The recent advancement of large and powerful models with Text-to-Image (T2I) generation abilities -- such as OpenAI's DALLE-3 and Google's Gemini -- enables users to generate high-…

cs.CV2024

GenEARL: A Training-Free Generative Framework for Multimodal Event Argument Role Labeling

Hritik Bansal, Po-Nien Kung, P. Jeffrey Brantingham +2

Multimodal event argument role labeling (EARL), a task that assigns a role for each event participant (object) in an image is a complex challenge. It requires reasoning over the en…

cs.CL2024

Comparing Bad Apples to Good Oranges: Aligning Large Language Models via Joint Preference Optimization

Hritik Bansal, Ashima Suvarna, Gantavya Bhatt +3

A common technique for aligning large language models (LLMs) relies on acquiring human preferences by comparing multiple generations conditioned on a fixed context. This method, ho…

cs.CL2024

Improving Event Definition Following For Zero-Shot Event Detection

Zefan Cai, Po-Nien Kung, Ashima Suvarna +6

Existing approaches on zero-shot event detection usually train models on datasets annotated with known event types, and prompt them with unseen event definitions. These approaches…

cs.CV2024★ 1 cited

ConTextual: Evaluating Context-Sensitive Text-Rich Visual Reasoning in Large Multimodal Models

Rohan Wadhawan, Hritik Bansal, Kai-Wei Chang +1

Many real-world tasks require an agent to reason jointly over text and visual objects, (e.g., navigating in public spaces), which we refer to as context-sensitive text-rich visual…

physics.ao-ph2023★ 19 cited

Scaling transformer neural networks for skillful and reliable medium-range weather forecasting

Tung Nguyen, Rohan Shah, Hritik Bansal +6

Weather forecasting is a fundamental problem for anticipating and mitigating the impacts of climate change. Recently, data-driven approaches for weather forecasting based on deep l…