Open models
Models my team and I have released, free to download and run. Most live on
open.iapp.co.th; weights are on Hugging Face.
- OpenThai 2.0 Legal — Thai legal LLM on Nemotron-3-Nano-30B, built with NVIDIA, BDI,
and AIEAT. Weights
- OpenThaiGPT 1.6 & R1 — Thai-centric open-source and reasoning LLMs. R1 (32B) beats
DeepSeek-R1-70B on Thai reasoning benchmarks at half the size.
Paper · 1.6-72B · R1-32B
- ChindaMT — instruction-following Thai–English translation, 4B. It follows terminology
and formatting rules you give it in the prompt. Model
- Chinda LLM 4B — compact Thai LLM under Apache-2.0. open.iapp.co.th
- LATTE word segmentation models — pre-trained character-based segmenters for
Chinese and
Thai, from my doctoral work.
For the commercial APIs (speech, vision, OCR, and the full Chinda platform), see
one.iapp.co.th.