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AI Researcher · Educator · Entrepreneur

Kobkrit Viriyayudhakorn

CEO of iApp Technology  ·  Former President of AIEAT (2021–2024)

PhD in Artificial Intelligence. Building Thailand's AI future through open-source tools, education, and enterprise solutions.

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Latest Posts

Notes, tutorials and write-ups of my latest videos

Video

ให้ AI รับโทรศัพท์บริษัทแทนคน: เบอร์ 02 + Asterisk + Gemini Live (Kobkrit.com Live EP.1)

วิธีทำ AI Call Center ภาษาไทยที่ใช้งานจริง ตั้งแต่ต่อเบอร์ 02 ผ่าน SIP Trunk เข้า Asterisk ไปจนถึง Gemini Live พร้อมคลังความรู้ ยืนยันตัวตน เปิด Ticket ส่ง Lead และค่าใช้จ่ายต่อนาที

Video

OpenThai 2.0 Legal ขึ้น TH-AI Passport แล้ว: โมเดลกฎหมายไทยที่ตอบพร้อมบอกมาตรา

OpenThai 2.0 Legal โมเดลภาษาไทยด้านกฎหมายแบบ open-weight บน NVIDIA Nemotron 30B-A3B ลองใช้ได้แล้วบน AiPASS ตอบคำถามกฎหมายพร้อมบอกว่าอยู่ พ.ร.บ. ไหน มาตราอะไร และรันเองบนเครื่องได้

Video

OpenThai-SystemOne v1.0 เดโมแรก: สั่งคอมพิวเตอร์ด้วยเสียงภาษาไทย ไม่แตะเมาส์เลยสักครั้ง

เดโมแรกของ OpenThai-SystemOne v1.0 โมเดลโอเพนซอร์สขนาดไม่ถึง 1B ที่มองเห็นหน้าจอได้ ต่อกับระบบรู้จำเสียงภาษาไทยเพื่อสั่งคอมพิวเตอร์ด้วยเสียงล้วนๆ พร้อมอธิบายแนวคิด System 1 และวิธีลองใช้เวอร์ชัน 0.3

[LLM 1/10] Continue Pretraining: Teaching New Knowledge to a Thai LLM

Continue Pretraining (CPT) from the equations down to code that actually runs on free Colab, with catastrophic forgetting measured in real numbers

[LLM 2/10] SFT + LoRA: Teaching a Model to Be an Assistant by Training 1.69% of Its Parameters

Supervised fine-tuning with LoRA, from the completion-mask equation down to code that actually finishes on free Colab — why a trained 40 MB 'correction' can stand in for training the whole model, and why the 'under 1%' figure blogs love to quote doesn't hold for small models

[LLM 3/10] RLHF and PPO: Training a Model on a Reward You Cannot Differentiate

Training a real Thai reward model from preference pairs, then writing PPO from scratch in about 120 lines on free Colab — and finishing by taking off the KL leash to catch reward hacking red-handed

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About

Researcher, Educator & Entrepreneur

Dr. Kobkrit Viriyayudhakorn holds a PhD in Artificial Intelligence from the Japan Advanced Institute of Science and Technology (JAIST). He is the CEO and Founder of iApp Technology, a leading Thai AI company that has helped 30+ enterprises integrate AI into their operations since 2013.

He served as President of the Artificial Intelligence Entrepreneur Association of Thailand (AIEAT) from 2021 to 2024 and as Vice-Chair of the House of Representatives' extraordinary commission on AI governance (2024–2025). As founder and lead of OpenThaiGPT, his work spans natural language processing, large language models, and computer vision, with 20+ published research papers and widely-used open-source projects.

Through Kobkrit AI School, he is dedicated to making AI education accessible — offering courses in AI, machine learning, and LLMs for learners at every level.

Expertise

Core areas of research and development

🧠
Natural Language Processing
Thai NLP, BERT, Wangchanberta, text classification, question answering, and sentiment analysis.
🤖
Large Language Models
Creator of OpenThaiGPT, Thailand's leading open-source Thai-centric large language model.
📊
Deep Learning & ML
Neural networks, computer vision, transfer learning, and production ML systems.
💬
Conversational AI
Chatbot development with DialogFlow, Chinda AI chatbot, and multi-modal AI systems.
📱
Mobile & Web Development
React Native, React, Node.js — building full-stack applications from prototype to production.
🏫
AI Education
University lecturer and course creator with 40+ technical articles and tutorials.

Projects

Open-source tools and AI products

OpenThaiGPT
Thai-centric open-source large language model, enabling Thai language AI applications at scale.
nlp_thai_resources
Curated collection of 50+ Thai NLP libraries, datasets, and tools for the research community.
Kaitom Voice
Next-generation Thai Text-to-Speech API delivering natural-sounding Thai voice synthesis.
Chinda AI
Intelligent generative AI chatbot platform for enterprise customer service automation.
iApp AI APIs
Suite of AI APIs for Thai OCR, face recognition, speech-to-text, and document processing.
Thai NLP with BERT
Pioneering Thai language transfer learning with BERT, achieving state-of-the-art results.

Kobkrit AI School

Master AI, Machine Learning, and Large Language Models with hands-on courses designed by an industry expert. Earn recognized certificates.

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