OpenAI APIで組織・プロジェクト単位のAPIキー作成制御Added API key creation governance controls at the organization and project levels. Administrators can allow only service-account keys, allow only user-owned project keys, or disable all new API key creation. Organization restrictions take precedence over project settings, and existing API keys are unaffected. See production best practices for details.OpenAI API Changelogで原文を確認 OpenAI / ChatGPT / Codexのリリースノートを152件掲載。最新は2026年9月15日のOpenAI / ChatGPT / Codex「OpenAI APIで組織・プロジェクト単位のAPIキー作成制御」。新機能、仕様変更、運用影響を確認できます。
OpenAI / ChatGPT / Codex / リリースノート
2026年9月15日(火)
OpenAI APIで組織・プロジェクト単位のAPIキー作成制御Added API key creation governance controls at the organization and project levels. Administrators can allow only service-account keys, allow only user-owned project keys, or disable all new API key creation. Organization restrictions take precedence over project settings, and existing API keys are unaffected. See production best practices for details.OpenAI API Changelogで原文を確認 2026年9月10日(木)
Agents APIのパブリックベータ提供Released the Agents API in public beta. Build agents with a managed Codex harness while OpenAI handles session orchestration, context compaction, and recovery.OpenAI API Changelogで原文を確認 GPT-Live-1がAPIで一般提供GPT-Live 1 is now generally available in the API. Build full-duplex voice conversations that can continue while a backend model or agent handles reasoning and tools.OpenAI API Changelogで原文を確認 OpenAI APIプロジェクトキーに有効期限と最大存続期間You can now set expiration dates when creating project API keys.OpenAI API Changelogで原文を確認 2026年9月8日(火)
GPT Image 2.5 SunburstとFlareをAPIで提供OpenAI API changelog: Released GPT Image 2.5 Sunburst and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool.OpenAI API Changelogで原文を確認 OpenAI APIのPrompt Cache Diagnosticsが一般提供にOpenAI API changelog: Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models.OpenAI API Changelogで原文を確認 2026年9月3日(木)
GPT-6 AstraをOpenAI APIで提供開始OpenAI API changelog: gpt-6-astra — Released GPT-6 Astra, our most capable model, built for the hardest end-to-end workOpenAI API Changelogで原文を確認 Responses APIに長時間処理向けの非同期ツール呼び出し制御を追加OpenAI API changelog: v1/responses — Added new controls for long-running work with GPT-6 Astra in the Responses APIOpenAI API Changelogで原文を確認