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Physix Frontier · News Briefing Card (IT Home · Oct 13, 2026)

Anthropic, NTT DATA in Talks for 500MW Osaka Data Center

KEY FACTS

  • Anthropic and NTT DATA are in the final stage of negotiations for its first data center in Japan.
  • The facility is planned for Osaka and will scale to 500MW.
  • The two sides expect to reach a final agreement within this fiscal year, with partial operation as early as 2028.
  • The construction cost exceeds 1 trillion yen, and the site will later be equipped with a large number of high-value chips.
  • It will initially use behind-the-meter power, such as on-site generation from fuel cells.

KEY DATA

500MWData Center Scale
Over 1 trillion yenConstruction Cost
About 42.291 billion yuanConstruction Cost in RMB
As early as 2028Partial Operation Time

PHYSIX OBSERVATION

Anthropic is building its own compute capacity in Japan for the first time, choosing Osaka and adopting on-site power generation, which reflects the dual anxiety of AI giants over power autonomy and landing in the Asian market. The 500MW scale is not small, but partial operation only in 2028 makes the pace rather conservative. Japan is becoming a new battlefield for AI infrastructure outside China and the US, and NTT's local resources are a key bargaining chip.

Source: IT Home report