KoishiAI Lab

Work we measured or tested ourselves, not summaries of other outlets’ news. Each piece states the method it used; some come with raw data you can download and check.

• New

  How many more tokens does Thai take than English?

  Measured on 1,997 news sentences translated into Thai with three real tokenizers, plus our own articles and the raw data.

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• Four Thai baht-text libraries tested on 3,289 amounts against LibreOffice

  We compared the latest thai-baht-text, bahttext (npm), PyThaiNLP and bahttext (PyPI) with LibreOffice's BAHTTEXT. Ordinary amounts read almost identically, but every library has cases to watch: zero, negatives, one satang and three decimal places.

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• Thailand's Royal Gazette set a record in 2025, and nearly 6 in 10 notices are bankruptcy cases

  We counted every Royal Gazette notice in the Open Law Data Thailand dataset: 49,127 in 2025, the most since 1885; about 4 in 10 land on Wednesdays; nearly 6 in 10 are bankruptcy notices; and in early 2025 a backlog of over 3,000 local ordinances was published at once. Plus the data limits to know before you use it.

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• Measuring Thai Text Programmatically: Why .split() and crfcut Lie to You — and How the "Wak" Saves the Day

  Lessons from building a naturalness meter for AI-written Thai articles: the silently-broken word and sentence tools, and how to measure Thai rhythm in the unit the language actually marks.

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• Local LLM Benchmark on a 48 GB Dual-GPU Rig: What Actually Runs in 2026

  We ran Qwen3 27B, 32B, 35B-A3B, and 80B on an RTX 5090 + 5080 box to find the real sweet spot for local AI in 2026. Here is which model fits which job — and which one to drop.

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• Fine-tuning Thai OCR for production: seven full fine-tunes that barely helped, a LoRA that works in practice, the guards built with it, and a leaky test set

  A real record of fine-tuning a 2B Thai OCR model to read business documents: seven rounds of full fine-tuning, the general ability it lost, the switch to a LoRA that made the live system work, the loop guards developed alongside it, and a train/test leak we only just found, with the numbers recomputed.

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