https://www.itmedia.co.jp/aiplus/article/2605/21/2000000013/ ITmedia ja OpEd, Opinion 2026-05-21T16:15:53+09:00 OpenAIの内部モデルが数学の未解決問題を証明──OpenAIは「重要な転換点」、フィールズ賞受賞数学者は「画期的な成果」と評価 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/21/2000000011/ ITmedia ja OpEd, Opinion 2026-05-21T12:00:00+09:00 「仮面ライダーアギト」最新映画、“AI動画”で宣伝　担当者が明かすねらい Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/21/2000000012/ ITmedia ja OpEd, Opinion 2026-05-21T11:35:44+09:00 AIで人事異動案作成、工数約98％削減　富士通がトラスコ中山に導入 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/20/2000000010/ ITmedia ja OpEd, Opinion 2026-05-20T18:02:01+09:00 「Gemini 3.5」登場　軽量モデルは一部3.1 Pro超え、高性能モデルは6月公開予定 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/20/2000000009/ ITmedia ja OpEd, Opinion 2026-05-20T13:55:39+09:00 OpenAI、Googleの「SynthID」を採用　「C2PA」と組み合わせAI生成画像の来歴証明を強化 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/20/2000000008/ ITmedia ja OpEd, Opinion 2026-05-20T03:51:43+09:00 GoogleのAIサブスク、最上位プランを値下げ　月額1万4500円の新プランも Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/20/2000000007/ ITmedia ja OpEd, Opinion 2026-05-20T03:51:04+09:00 Google「Gemini」に個人向けAIエージェント　質問に答えるだけでなく「作業を代替」　まずは米国で Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2605/20/2000000006/ ITmedia ja OpEd, Opinion 2026-05-20T01:50:08+09:00 OpenAIの共同設立者アンドレイ・カーパシー、Anthropicにジョイン Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study