activity
20242026
collaborators

6 papers

cs.CL2026

NemotronLabs VoiceChat: An Open Full-duplex Speech-to-Speech Model with Tool Calling Capabilities

Jagadeesh Balam, Travis Bartley, Edresson Casanova +52

We introduce NemotronLabs VoiceChat, an open full-duplex speech-to-speech model with native tool-calling capabilities. NemotronLabs VoiceChat combines a streaming speech encoder an…

cs.CL2026

Beyond Initialization Loss: A Systematic Study of Token Embedding Initialization Strategies for LLM Vocabulary Extension

Raviraj Joshi, Utkarsh Vaidya, Sanjay Singh Chauhan +1

Vocabulary extension is an efficient way to adapt pretrained large language models (LLMs) to new languages, but the initialization of newly added token embeddings can strongly affe…

cs.CL2025

Benchmarking Hindi LLMs: A New Suite of Datasets and a Comparative Analysis

Anusha Kamath, Kanishk Singla, Rakesh Paul +4

Evaluating instruction-tuned Large Language Models (LLMs) in Hindi is challenging due to a lack of high-quality benchmarks, as direct translation of English datasets fails to captu…

cs.CL2025

CultureGuard: Towards Culturally-Aware Dataset and Guard Model for Multilingual Safety Applications

Raviraj Joshi, Rakesh Paul, Kanishk Singla +8

The increasing use of Large Language Models (LLMs) in agentic applications highlights the need for robust safety guard models. While content safety in English is well-studied, non-…

cs.CL2025

Aligning Large Language Models to Low-Resource Languages through LLM-Based Selective Translation: A Systematic Study

Rakesh Paul, Anusha Kamath, Kanishk Singla +4

Multilingual large language models (LLMs) often demonstrate a performance gap between English and non-English languages, particularly in low-resource settings. Aligning these model…

cs.CL2024

Adapting Multilingual LLMs to Low-Resource Languages using Continued Pre-training and Synthetic Corpus

Raviraj Joshi, Kanishk Singla, Anusha Kamath +6

Multilingual LLMs support a variety of languages; however, their performance is suboptimal for low-resource languages. In this work, we emphasize the importance of continued pre-tr…