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NTT starts selling its lightweight Japanese language model tsuzumi to businesses

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NTT said on 25 March 2024 that commercial service of tsuzumi, its own large language model, had begun through NTT Communications and NTT DATA. The offer is based on the 7-billion-parameter lightweight model and can run on premises, in a private cloud or in a public cloud, with menus for customer contact, internal work and IT operations. NTT said it had received more than 500 enquiries from companies and local governments since unveiling tsuzumi in November 2023.

Why it matters

Japanese companies and local governments gained a domestic model small enough to run on their own servers, which keeps sensitive data in-house.

When
25 Mar 2024
ID
WTA-N-2024-0170
Where
Japan
Who
NTT, NTT Communications, NTT DATA

Summary by wheresthe.ai, from NTT and the reporting credited above. Checked against the source on 9 Oct 2026.

Source copy: download the page as saved on 18 Oct 2026 (PDF). Document the source offers: document 1 (PDF). Also held by the Internet Archive.

Cite this story

WTA-N-2024-0170: “NTT starts selling its lightweight Japanese language model tsuzumi to businesses.” wheresthe.ai, 25 Mar 2024. https://wheresthe.ai/d/jp-ntt-tsuzumi-commercial-launch-2024-03/ (source: NTT).

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