最初の項目は常にピンの出典です。全体の確度は、各資料が上記の開始・終了時刻をどれだけ強く裏付けているかの加重平均です。最新の資料より180日古くなるごとに、重みは半分になります。
The saved date is an estimated tracking or capacity-trajectory marker, not a verified exact opening day. Construction status follows the cited dated physical scope; no completion is inferred from elapsed targets.
Construction research 2026-10-24: Epoch’s[1] 2025-10-08 observation documents the identified building scope complete or operating, using physical observations or explicit delivery rather than an elapsed target date. Completed is limited to that scope. Power and accelerator counts remain Epoch estimates, not an operator-certified rating. Modeled 2025-dollar capital costs include compute hardware and are not a source-native construction budget. Source quote: “Site already complete.” Dated observation 2025-10-08; future trajectory rows and modeled costs are distinguished from this physical milestone.
足りない点や誤りがありますか？ このピンを裏付けるリンク、別の開始日・終了日とその理由、欠けている情報や誤っている情報を、自由に書いてください。AIがこのピンの出典と照らし合わせ、より良い情報源を探し、裏付けとなるページがあれば参考資料として追加します。ピン自身の出典が引き続き最も重視されます。AIは画像も確認します。別のものが写っている画像や写りの悪い画像は、後ろに回すか差し替えます。
Microsoft Project Osmium in Cumming, Iowa, United States is a frontier AI data center campus operated by Microsoft / OpenAI reaching 190 MW of power capacity and 155,634 H100-equivalent AI accelerators. One building reportedly contained roughly 25,000 A100s used by OpenAI to train GPT-3.5.
Epoch’s 2025-10-08 observation documents the identified building scope complete or operating, using physical observations or explicit delivery rather than an elapsed target date. Completed is limited to that scope. Power and accelerator counts remain Epoch estimates, not an operator-certified rating. Modeled 2025-dollar capital costs include compute hardware and are not a source-native construction budget.