ONESTRUCTION
ONESTRUCTION is a Startup in Seranova's Vertical AI category. Tottori construction-tech startup building openBIM tools and the 'Ishigaki' construction-domain Japanese AI models. Products and focus: Construction AI, openBIM, Domain LLM, BIM Data Quality. 1 published signal is linked below.
Recorded facts
- HQ
- Tottori, Tottori
- Category
- Vertical AI, Construction AI, openBIM, Domain LLM, BIM Data Quality
- Products
- Construction AI, openBIM, Domain LLM, BIM Data Quality
- Funding
- Private startup; builds construction-domain AI model series 'Ishigaki' (open weights on Hugging Face) and openBIM software
- Representative
- 西岡大穂, 代表取締役CEO
- Website
- https://onestruction.com/
- Updated
- 2026-11-05
Last updated: 5 Nov 2026
Company facts are collected from each company's official site and press releases.
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Related signals
- Product launch ONESTRUCTION Inc. (Tottori; CEO 西岡大穂), an openBIM and construction-AI startup, announced on 2026-11-04 that it began providing API access to 'Ishigaki-AEC', its Japanese construction-domain AI model additionally trained on Japanese public-works standard specifications and laws, to companies entering METI/NEDO's GENIAC-PRIZE prize programme. The API is OpenAI-compatible with per-company keys, free within the GENIAC-PRIZE period, and runs on SAKURA internet's 'Koukaryoku VRT' GPU cloud (NVIDIA H100) provided in cooperation with SAKURA internet. The open version Ishigaki-AEC-9B (CC BY 4.0, on Hugging Face) scored 56.07% on an internal 981-question standard-specification benchmark vs 43.32% for its base model.
Source: PR TIMES (prtimes.jp) · collected 2026-11-04