{
  "date": "2026-05-29",
  "generatedAt": "2026-05-29T04:42:28.949Z",
  "events": [
    {
      "id": "m365-copilot-techcommunity-blog-7821f6483d1f3c63",
      "sourceId": "m365-copilot-techcommunity-blog",
      "sourceName": "Microsoft 365 Copilot Blog",
      "sourceFamily": "Tech Community",
      "productArea": "Microsoft 365 Copilot",
      "section": "Microsoft 365 Copilot",
      "title": "Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot",
      "titleJa": "本日より利用可能: Microsoft 365 Copilot の Anthropic Claude Opus 4.8",
      "titleEn": "Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot",
      "summary": "Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 4.8. Available now in Copilot Cowork (Frontier) and rolling out to Copilot Chat, Excel, PowerPoint, and Copilot Studio. \nOpus 4.8 builds on Opus 4.7 and previous...",
      "summaryJa": "本日、Anthropic の最新モデルである Claude Opus 4.8 を追加し、Microsoft 365 Copilot のモデルの選択肢を拡大します。現在、Copilot Cowork (Frontier) で利用可能で、Copilot Chat、Excel、PowerPoint、Copilot Studio に展開されています。 \nOpus 4.8 は Opus 4.7 以前をベースに構築されています...",
      "summaryEn": "Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 4.8. Available now in Copilot Cowork (Frontier) and rolling out to Copilot Chat, Excel, PowerPoint, and Copilot Studio. \nOpus 4.8 builds on Opus 4.7 and previous...",
      "url": "https://techcommunity.microsoft.com/t5/microsoft-365-copilot-blog/available-today-anthropic-claude-opus-4-8-in-microsoft-365/ba-p/4523405",
      "publishedAt": "2026-05-29T12:00:00.000Z",
      "capturedAt": "2026-05-29T04:42:28.949Z",
      "sourceLastSeen": "2026-05-29T04:42:28.949Z",
      "roadmapIds": [],
      "releaseStage": "Rolling out",
      "roleTags": [
        "作成者向け"
      ],
      "tags": [
        "Microsoft 365 Copilot",
        "作成者向け"
      ],
      "importanceScore": 111,
      "importanceReason": "エージェント構築や品質管理に関わるため / 文書や資料作成の体験変化が大きいため"
    }
  ]
}