NTT Data Group is in advanced talks to build a data center in Japan for Anthropic, the U.S. AI company behind the Claude models, according to Nikkei Asia, as relayed by Techmeme. The facility would sit in Osaka and would be Anthropic's first dedicated data center in the country, with a planned processing capacity reported at up to 500 MW — one of the largest in Japan.
Construction could cost around $6.3 billion, roughly 21.7 billion TND at current rates, and the project is expected to open partially by 2028. The deal has not been finalized, and neither NTT Data nor Anthropic has publicly confirmed the terms. If completed, it would mark one of the largest AI infrastructure moves in the region so far.
Anthropic Japan data center in Osaka: the reported plan
The project would be NTT Data's latest big bet on AI-ready capacity, and it directly serves Anthropic's need for dedicated compute power outside the United States. Sources told Nikkei that talks are in their final stages, but no signed agreement has been announced. The $6.3 billion figure covers construction costs for the facility as reported, not any additional hardware such as GPUs, which neither party has detailed publicly.
Reports describe the Osaka site as potentially among the largest in Japan by processing capacity, a category dominated until now by the country's big cloud and telecom operators. The partial opening timeline of 2028 suggests an initial phase of capacity, with further expansion expected to follow if the project goes ahead as planned.
- Operator: NTT Data Group, in advanced talks with Anthropic
- Location: Osaka, western Japan
- Capacity: up to 500 MW, among Japan's largest
