activity
20222026
most citedIntroducing v0.5 of the AI Safety Benchmark from MLCommons

5 citations · 10 across the 18 of their papers we have counts for

collaborators

19 papers

cs.LG2026

GRPO Training Dynamics for Small Language Models

Rajat Ghosh, Vaishnavi Bhargava, Henry Wong +2

Group Relative Policy Optimization (GRPO) has emerged as a memory-efficient reinforcement fine-tuning (RFT) technique for reasoning-intensive tasks. How- ever, GRPO training dynami…

cs.DC2026

DeltaServe: Host-Agnostic Co-Serving of Inference and Fine-Tuning for LLMs

Jiaxuan Chen, Jianshu She, Ye Yuan +5

LLM serving systems are provisioned for peak load to meet strict latency targets, leaving substantial GPU compute idle whenever traffic falls below peak. We present DeltaServe, a h…

cs.LG2026

Reduced-Order Models: The Mother of World Models

Rajat Ghosh

World models -- compressed latent representations of an environment that support action-conditioned prediction and planning -- are typically presented as a product of modern self-s…

cs.CL2026

Pluralis v0.1: Towards a Multicultural, Multimodal, Multilingual Benchmark for AI Risk and Reliability

Alicia Parrish, Rajat Shinde, Sanket Badhe +57

Current AI safety evaluation and benchmarking frameworks predominantly rely on Western-centric culture-agnostic defaults that mask critical regional laws, socio-linguistic nuances,…

cs.LG2026

Predictable GRPO: A Closed-Form Model of Training Dynamics

Rajat Ghosh, Datta Nimmaturi, Aryan Singhal +4

We develop a first-principles reduced-order model of these dynamics. Under a single mean-field assumption that summarizes the policy by its expected reward, we reduce the GRPO upda…

cs.LG2026

Croissant Baker: Metadata Generation for Discoverable, Governable, and Reusable ML Datasets

Rafi Al Attrach, Rajna Fani, Sebastian Lobentanzer +17

Croissant has emerged as the metadata standard for machine learning datasets, providing a structured, JSON-LD-based format that makes dataset discovery, automated ingestion, and re…

cs.SE2026

CR-Bench: Evaluating the Real-World Utility of AI Code Review Agents

Kristen Pereira, Neelabh Sinha, Rajat Ghosh +1

Recent advances in frontier large language models have enabled code review agents that operate in open-ended, reasoning-intensive settings. However, the lack of standardized benchm…

cs.LG2026

Action Shapley: A Training Data Selection Metric for World Model in Reinforcement Learning

Rajat Ghosh, Debojyoti Dutta

Numerous offline and model-based reinforcement learning systems incorporate world models to emulate the inherent environments. A world model is particularly important in scenarios…

cs.SE2026

SWE-Tester: Training Open-Source LLMs for Issue Reproduction in Real-World Repositories

Aditya Bharat Soni, Rajat Ghosh, Vaishnavi Bhargava +2

Software testing is crucial for ensuring the correctness and reliability of software systems. Automated generation of issue reproduction tests from natural language issue descripti…

cs.LG2025

Go-UT-Bench: A Fine-Tuning Dataset for LLM-Based Unit Test Generation in Go

Yashshi Pipalani, Hritik Raj, Rajat Ghosh +2

Training data imbalance poses a major challenge for code LLMs. Most available data heavily over represents raw opensource code while underrepresenting broader software engineering…

cs.LG2025

A Multi-Agent Framework for Stateful Inference-Time Search

Arshika Lalan, Rajat Ghosh, Aditya Kolsur +1

Recent work explores agentic inference-time techniques to perform structured, multi-step reasoning. However, stateless inference often struggles on multi-step tasks due to the abse…

cs.SE2025

RANGER -- Repository-Level Agent for Graph-Enhanced Retrieval

Pratik Shah, Rajat Ghosh, Aryan Singhal +1

General-purpose automated software engineering (ASE) includes tasks such as code completion, retrieval, repair, QA, and summarization. These tasks require a code retrieval system t…

cs.LG2025

BAR Conjecture: the Feasibility of Inference Budget-Constrained LLM Services with Authenticity and Reasoning

Jinan Zhou, Rajat Ghosh, Vaishnavi Bhargava +2

When designing LLM services, practitioners care about three key properties: inference-time budget, factual authenticity, and reasoning capacity. However, our analysis shows that no…

cs.LG2025

Predictive Scaling Laws for Efficient GRPO Training of Large Reasoning Models

Datta Nimmaturi, Vaishnavi Bhargava, Rajat Ghosh +2

Fine-tuning large language models (LLMs) for reasoning tasks using reinforcement learning methods like Group Relative Policy Optimization (GRPO) is computationally expensive. To ad…

cs.CY2025★ 4 cited

AILuminate: Introducing v1.0 of the AI Risk and Reliability Benchmark from MLCommons

Shaona Ghosh, Heather Frase, Adina Williams +99

The rapid advancement and deployment of AI systems have created an urgent need for standard safety-evaluation frameworks. This paper introduces AILuminate v1.0, the first comprehen…

cs.SE2024★ 1 cited

CPP-UT-Bench: Can LLMs Write Complex Unit Tests in C++?

Vaishnavi Bhargava, Rajat Ghosh, Debojyoti Dutta

We introduce CPP-UT-Bench, a benchmark dataset to measure C++ unit test generation capability of a large language model (LLM). CPP-UT-Bench aims to reflect a broad and diverse set…

cs.LG2024

Efficient Alignment of Large Language Models via Data Sampling

Amrit Khera, Rajat Ghosh, Debojyoti Dutta

LLM alignment ensures that large language models behave safely and effectively by aligning their outputs with human values, goals, and intentions. Aligning LLMs employ huge amounts…

cs.CL2024★ 5 cited

Introducing v0.5 of the AI Safety Benchmark from MLCommons

Bertie Vidgen, Adarsh Agrawal, Ahmed M. Ahmed +97

This paper introduces v0.5 of the AI Safety Benchmark, which has been created by the MLCommons AI Safety Working Group. The AI Safety Benchmark has been designed to assess the safe…

cs.LG2022

Data-Driven Evaluation of Training Action Space for Reinforcement Learning

Rajat Ghosh, Debojyoti Dutta

Training action space selection for reinforcement learning (RL) is conflict-prone due to complex state-action relationships. To address this challenge, this paper proposes a Shaple…