SiamGPT: Quality-First Fine-Tuning for Stable Thai Text Generation. - Thittipat Pairatsuppawat; Abhibhu Tachaapornchai; Paweekorn Kusolsomboon; Chutikan Chaiwong; Thodsaporn Chay-intr; Kobkrit Viriyayudhakorn; Nongnuch Ketui; Aslan B. Wong (CoRR, 2025)