https://www.itmedia.co.jp/aiplus/article/2609/30/2000001867/ ITmedia ja OpEd, Opinion 2026-09-30T04:08:07+09:00 「GPT-6.1 Sol」登場　「一部Astra並み」性能をコスト5分の1で提供　先代モデルからわずか1週間で公開 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/30/2000001866/ ITmedia ja OpEd, Opinion 2026-09-30T03:42:13+09:00 OpenAIが「Jev」に追従、「Decisions API」　Lunaで“リアルタイムに意思決定” Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/30/2000001865/ ITmedia ja OpEd, Opinion 2026-09-30T03:09:11+09:00 ChatGPTに「Ultrafast」、Astraを8倍高速に　利用には「月500ドル」最上位プランが必須 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/30/2000001864/ ITmedia ja OpEd, Opinion 2026-09-30T03:02:40+09:00 OpenAI、「24時間働く」エージェント「dots」発表　Astra搭載、クラウド上で常時稼働 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/29/2000001855/ ITmedia ja OpEd, Opinion 2026-09-29T17:50:50+09:00 7割の企業が生成AI「個人利用」への対策せず　デロイト調査 Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/29/2000001851/ ITmedia ja OpEd, Opinion 2026-09-29T16:29:16+09:00 ChatGPT、サブスク最上位プランの新規受付を再開へ　“5時間制限”を完全撤廃　「利用枠を消費しない新機能」も Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study https://www.itmedia.co.jp/aiplus/article/2609/28/2000001784/ ITmedia ja OpEd, Opinion 2026-09-28T10:47:08+09:00 日系SIerの「御用聞き」は流行りの「FDE」に花開くか？　日立が語る“時代の変化” Business, Companies, Economy, Industry, Headlines, Technology, Artificial Intelligence, case study