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NTT Data in final talks to build Anthropic’s first data centre in Japan, Nikkei reports

By Thomson Reuters Oct 12, 2026 | 9:51 PM

TOKYO, Oct 13 (Reuters) – Japan’s NTT Data Group, a unit of telecommunications ​giant NTT, is in ‌the final stages of talks to build a data centre in Osaka, western Japan, ‌for ​US AI company ⁠Anthropic, the Nikkei ⁠business daily reported on Tuesday, citing multiple sources.

• Construction costs could reach ​up to 1 trillion yen ($6.3 billion), report ⁠says

• To be ⁠first dedicated facility ​in Japan for Anthropic

• Data ​centre would have power intake ‌capacity of up to 500 megawatts, with start of partial operations ⁠set for as early as 2028

• NTT Data, Anthropic aim to ⁠sign ‌agreement by the ⁠end of fiscal ​2026 ‌ending on March 31

• ​NTT declines ⁠comment, NTT Group not immediately available for comment

(Reporting by Kaori Kaneko and Kentaro Okasaka, Editing by ​Chang-Ran Kim)