OpenAI

The First Time OpenAI Hit the Brakes on Itself — Halting Its Next Model, 'Astra,' at the Line Called 'Critical'

The First Time OpenAI Hit the Brakes on Itself — Halting Its Next Model, 'Astra,' at the Line Called 'Critical'

OpenAI halted some work on its next model, "Astra." For the first time, it could not rule out that a model of its own might reach "Critical" — the highest danger level in its safety framework. We unpack the backdrop of agentic coding and cyber capabilities rising in tandem, and what it means for dev

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初めて自社にブレーキを踏んだ──OpenAIが次期モデル『Astra』を止めた、『クリティカル』という一線

初めて自社にブレーキを踏んだ──OpenAIが次期モデル『Astra』を止めた、『クリティカル』という一線

OpenAI が次期モデル「Astra」の一部作業を停止。自社の安全指針で最上位の危険度『クリティカル』に達する可能性を、初めて否定できなかった。エージェント型コーディングとサイバー能力が同時に伸びた背景と、開発者・経営者への意味を整理する。

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The Company That Lets AI Write 80% of Its Own Code Just Asked for a "Brake" on That AI — Inside 'Pacing the Frontier,' Signed by 1,134 People

The Company That Lets AI Write 80% of Its Own Code Just Asked for a "Brake" on That AI — Inside 'Pacing the Frontier,' Signed by 1,134 People

Anthropic — where Claude writes over 80% of its own code — and OpenAI have formally endorsed a letter calling for "a mechanism to deliberately slow AI progress." We unpack the contents of 'Pacing the Frontier,' signed by 1,134 people, its impact on development and business, and the anticompetitive c

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自社コードの8割をAIに書かせる会社が、そのAIに「ブレーキ」を求めた──1,134人が署名した『Pacing the Frontier』

自社コードの8割をAIに書かせる会社が、そのAIに「ブレーキ」を求めた──1,134人が署名した『Pacing the Frontier』

自社コードの8割超をClaudeが書くAnthropicと、OpenAI が「AIの進歩を意図的に緩める仕組み」を求める書簡に正式賛同。1,134人が署名した『Pacing the Frontier』の中身と、開発現場・ビジネスへの影響、そして反競争の懸念を読み解く。

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The AI Wrote the Savings Itself — OpenAI Had Codex Optimize GPU Kernels and Cut GPT-5.6 Prices by Up to 80%

The AI Wrote the Savings Itself — OpenAI Had Codex Optimize GPU Kernels and Cut GPT-5.6 Prices by Up to 80%

OpenAI cut GPT-5.6 API prices by up to 80% on Luna and 20% on Terra. The savings came from efficiency gains obtained by having the coding agent Codex automatically rewrite GPU kernels. Here's a look at a real case of an agent reaching into production infrastructure, and how to read the price cut.

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値下げの原資を、AI自身が書いた──OpenAIがCodexにGPUカーネルを最適化させ、GPT-5.6を最大8割下げた

値下げの原資を、AI自身が書いた──OpenAIがCodexにGPUカーネルを最適化させ、GPT-5.6を最大8割下げた

OpenAIがGPT-5.6のAPI料金をLuna最大8割・Terra2割下げた。原資は、コーディングエージェントCodexにGPUカーネルを自動で書き直させて得た効率改善。エージェントが本番インフラに踏み込んだ実例と、その値下げをどう読むかを整理する。

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Give Your Ever-Growing Threads a "Name" and a "Pin": How Codex 0.146 Turns Conversations into a Tidy Workspace and Starts Sharing a Plugin Shelf with Claude Code

Give Your Ever-Growing Threads a "Name" and a "Pin": How Codex 0.146 Turns Conversations into a Tidy Workspace and Starts Sharing a Plugin Shelf with Claude Code

OpenAI's Codex 0.146.0 (released July 29) arrives. Session naming, thread pinning, and history forking turn conversations into a "workspace you can tidy up," while support has been added for plugin marketplaces targeting Claude Code and Bedrock. Lock-in loosens—but the homework of governing third-pa

By FF
増え続けるスレッドに「名前」と「画鋲」を──Codex 0.146が会話を畳める作業場に変え、プラグイン棚をClaude Codeと分け合い始めた

増え続けるスレッドに「名前」と「画鋲」を──Codex 0.146が会話を畳める作業場に変え、プラグイン棚をClaude Codeと分け合い始めた

OpenAIのCodex 0.146.0(7/29公開)が登場。セッションへの命名・スレッドのピン留め・履歴フォークで会話を「片付けられる作業場」に変え、Claude CodeやBedrock向けのプラグインマーケットプレイスにも対応。囲い込みが緩む一方で、第三者拡張のガバナンスという宿題も残る。

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Hands Off the Keyboard, Drive Your Agents by Voice — OpenAI's "Full-Duplex" Voice Control on Codex/Work, and the Slip-Ups Its Speed Invites

Hands Off the Keyboard, Drive Your Agents by Voice — OpenAI's "Full-Duplex" Voice Control on Codex/Work, and the Slip-Ups Its Speed Invites

OpenAI is rolling out voice control to the ChatGPT desktop app. With full-duplex GPT-Live, you can run multiple Codex/Work agents by voice alone. It speeds up the workflow, but brings new slip-ups too: the ambiguity of spoken instructions and drift in transcription.

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キーボードから手を離し、口でエージェントを回す──OpenAIがCodex/Workに載せた「全二重」音声操作と、その速さが呼ぶ取りこぼし

キーボードから手を離し、口でエージェントを回す──OpenAIがCodex/Workに載せた「全二重」音声操作と、その速さが呼ぶ取りこぼし

OpenAIがChatGPTデスクトップに音声操作を配信。全二重のGPT-Liveで、声だけでCodex/Workの複数エージェントを回せる。段取りは速くなるが、口頭指示の曖昧さと文字起こしのズレという新しい取りこぼしも。

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