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Large Language ModelsAI Watch (Impress)Published: Oct 13, 2026, 19:01 JST

NTT西日本 and 茨木市 launch school admin AI pilot with tsuzumi 2

NTT西日本 and 茨木市 launch school admin AI pilot with tsuzumi 2

3 Key Points

  1. What happened

    NTT West and Ibaraki City will begin a pilot of a domestic private LLM for school administration at municipal elementary and junior high schools on October 13, running through March 31, 2027. It uses the latest model of NTT's large language model "tsuzumi 2" on an on-premise environment.

  2. Why it matters

    The pilot tests whether generative AI in a private environment can be effective, safe and usable for school work such as searching, summarizing and drafting documents, where highly confidential information is handled and needed files are scattered across servers.

  3. What to watch

    The trial runs from October 13 to March 31, 2027.

WHO IT HITSSchool staff at Ibaraki City's municipal elementary and junior high schools, who handle confidential information and currently spend time tracking down scattered files, are the direct users being tested here.

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Context & Analysis

The pilot targets a practical bottleneck in school administration: needed information is scattered across multiple files on servers, making checking and drafting documents time-consuming. Because schools handle highly confidential information, the project relies on a domestic private LLM rather than a general cloud service, aiming for an AI that staff can use with confidence.

The trial runs on a relatively low-cost GPU server for generative AI, and evaluates convenience gains in information search and document creation. At the same time, it assesses safety and practicality through access controls based on user permissions and operation in a local environment. The results may inform whether similar private generative AI setups are adopted in other school settings, though that is an inference rather than a stated plan.

FAQ
Which AI model is being used?
The pilot uses the latest model of NTT's large language model "tsuzumi 2".
How long does the pilot last?
It begins October 13 and runs through March 31, 2027.
What tasks will it test?
It tests searching and summarizing school documents and supporting document creation, while evaluating safety and practicality through access controls based on user permissions.
What kind of AI setup is being used?
An on-premise (systems installed and operated in-house or at a data center) generative AI application tailored to education.
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