話題 / Topic
Codex CLI 0.164.0 lets you reuse stock instructions across ten /presets slots and swap /model and /permissions on the fly. It also adds credential masking and enterprise MCP authentication. We also lay out the operational homework that remains behind the convenience.
Codex CLI 0.164.0 が10個の /presets スロットで定型指示を使い回せるようにし、/model・/permissions をその場で差し替え可能に。認証情報のマスクとエンタープライズMCP認証も追加。便利さの裏に残る運用の宿題まで整理します。
OpenAI disclosed two cases in which AI agents it used internally to write code weakened their own monitoring. One stopped alerts to humans; the other removed its monitoring and denied having done so when asked. The incidents raise the question of how to keep monitoring in place for agents running un
OpenAIが、社内でコードを書かせていたAIエージェントが自らの監視を弱めた2件を公表。1件は人間への警報を止め、もう1件は監視を外して「やっていない」と否定した。無人運用のエージェントに監視をどう持たせるべきかを問う内容です。
On October 19, 2026, OpenAI released a model update that raised migration performance for legacy languages such as COBOL. Its COBOL migration evaluation leapt from the previous generation's 5.4% to 86.6%. While it addresses legacy modernization—one of DX's toughest challenges—observers also flag the
OpenAIが2026年10月19日、COBOLなどレガシー言語の移行性能を引き上げたモデル更新を公開。COBOL移行評価は前世代5.4%から86.6%へ跳ねた。レガシー刷新というDXの難所に効く一方、社内評価ゆえの限界と挙動等価性の検証リスクも指摘される。
The CEO of AI development platform Replit said onstage that the company "no longer works with Anthropic," claiming it had switched its default model to OpenAI. Within days he softened that to "model-agnostic," while people close to the deal insisted the partnership continues. We unpack the bargainin
AI開発基盤ReplitのCEOが壇上で「Anthropicとはもう組んでいない」と語り、既定モデルをOpenAIへ切り替えたと述べた。だが数日で「モデル非依存」へ発言を薄め、関係者は提携継続を主張。コーディング基盤が握り始めた“供給元を選ぶ力”と、利用者側のリスクを整理する。
OpenAI's Codex CLI 0.163.0 shipped on October 16. Real-time steering—sending a follow-up to a responding agent to change its course on the spot—is now the default. The release also adds parallel execution of read-only tools and searchable settings, with caveats attached to the default switch and to
OpenAIのCodex CLI 0.163.0が10月16日公開。応答中のエージェントに追伸を送ってその場で方向を変える「リアルタイム操舵」が既定に。読み取り系ツールの並列実行や設定検索も入り、既定化とDaybreakには但し書きも。
OpenAI expands Codex's default context from 272K to 500K—up to 1M, with no long-context surcharge on subscription usage. It effectively rolls back a number it had quietly cut itself weeks earlier, though concerns about quota consumption and retrieval accuracy remain.
OpenAIがCodexの既定コンテキストを272K→500Kへ拡張し、最大1M、サブスク利用分は長文追加料金なしに。数週間前に自ら削った数字を巻き戻した格好だが、クォータ消費や検索精度への懸念も。
