collaborators

5 papers

cs.CL2026

JaiTTS: A Thai Voice Cloning Model

Jullajak Karnjanaekarin, Pontakorn Trakuekul, Narongkorn Panitsrisit +5

We present JaiTTS-v1.0, a state-of-the-art Thai voice cloning text-to-speech model built through continual training on a large Thai-centric speech corpus. The model architecture is…

cs.CL2025

Aspect-Level Obfuscated Sentiment in Thai Financial Disclosures and Its Impact on Abnormal Returns

Attapol T. Rutherford, Sirisak Chueykamhang, Thachaparn Bunditlurdruk +1

Understanding sentiment in financial documents is crucial for gaining insights into market behavior. These reports often contain obfuscated language designed to present a positive…

cs.CL2025

JAI-1: A Thai-Centric Large Language Model

Attapol T. Rutherford, Jullajak Karnjanaekarin, Narongkorn Panitsrisit +3

This technical report introduces JAI-1, a Thai-centric language model with 75B parameters. Recent Thai models have primarily relied on existing open-source models, applying additio…

cs.CL2025

OpenJAI-v1.0: An Open Thai Large Language Model

Pontakorn Trakuekul, Attapol T. Rutherford, Jullajak Karnjanaekarin +2

We introduce OpenJAI-v1.0, an open-source large language model for Thai and English, developed from the Qwen3-14B model. Our work focuses on boosting performance on practical tasks…

cs.CL2025

Can Group Relative Policy Optimization Improve Thai Legal Reasoning and Question Answering?

Pawitsapak Akarajaradwong, Chompakorn Chaksangchaichot, Pirat Pothavorn +3

The Retrieval-Augmented Generation (RAG) systems' performance on Thai legal question answering is still limited, especially for questions requiring extensive, complex legal reasoni…