AI provider

LLM-jp / NII LLMC

LLM-jp is a Japanese research community and model-development project led by the National Institute of Informatics. Its Research and Development Center for Large Language Models, LLMC, develops models and shares research methods, data and tools.

Company & leadership

Project established
May 2023, when NII started the LLM-jp research group.
Research center established
1 April 2024. LLMC is part of the National Institute of Informatics, within the Research Organization of Information and Systems (ROIS).
Institutional leadership
Sadao Kurohashi is LLMC director and NII director-general. Akiko Aizawa and Koichi Takeda are vice directors. The member page is dated 1 November 2026.
Founding organization
NII established the research group and center. LLM-jp is a collaborative research project with university and company participants, rather than a separately incorporated company.
Office
Palace Side Building, 3F, 1-1-1 Hitotsubashi, Chiyoda-ku, Tokyo 100-0003, Japan.
Public research support
LLMC was established to implement MEXT's research hub program for transparency and reliability in generative AI.

Models & tools