# NTT Data in Final Talks to Build Anthropic's First Japan Data Center in Osaka, Nikkei Reports

Times of AI Desk · 2026-10-13 · Infrastructure

[https://timesof.ai/2026/10/ntt-data-anthropic-osaka-japan-data-center-talks](https://timesof.ai/2026/10/ntt-data-anthropic-osaka-japan-data-center-talks)

> NTT Data Group is in final talks to build a data center in Osaka for Anthropic, Nikkei reported on Oct. 13, citing multiple sources. According to Reuters' relay, construction could cost up to 1 trillion yen ($6.3 billion), power intake could reach 500 MW, partial operations could start as early as 2028, and the companies aim to sign by March 31. No deal is signed; NTT declined to comment.

**NTT Data Group** is in the final stages of talks to build a data center in Osaka for Anthropic, **Nikkei** reported on **Tuesday, October 13**, citing multiple sources. Nikkei's headline says NTT will build Anthropic's first data center in Japan.

## What Nikkei reported

Nikkei's visible summary says the Osaka facility could cost $6.3 billion to build, with partial opening by 2028, and would have one of the largest processing capacities in the country. Further detail comes via **Reuters**, as published by CNA, which relays the Nikkei report:

- **Cost:** construction could reach up to **1 trillion yen** ($6.3 billion).
- **Power:** intake capacity of up to **500 megawatts**.
- **Timing:** partial operations as early as 2028, with NTT Data and Anthropic aiming to sign an agreement by the end of fiscal 2026, which ends on March 31.

NTT declined to comment, and NTT Group was not immediately available, according to Reuters. In both accounts, NTT Data would build the facility for Anthropic as a customer; no agreement has been signed.

## Limits

- Every figure traces to Nikkei's anonymous sources; Reuters/CNA relays the report and is not independent confirmation.
- Nikkei's article is paywalled; we read only its headline, summary and first paragraph.
- Anthropic had not commented in the sources we read.

## Sources

- [Nikkei Asia: NTT to build first data center for Anthropic in Japan (October 13, 2026; paywalled, opening only)](https://asia.nikkei.com/business/technology/artificial-intelligence/ntt-to-build-first-data-center-for-anthropic-in-japan)
- [CNA (Reuters): NTT Data in final talks to build Anthropic's first data centre in Japan, Nikkei reports (October 13, 2026)](https://www.channelnewsasia.com/business/ntt-data-in-final-talks-build-anthropics-first-data-centre-in-japan-nikkei-reports-6454731)