Update
Added new Admin API capabilities for managing spend alerts, model allowlists, data retention settings, and hosted tool permissions, plus querying granular billing line items.
公式の更新履歴を見る ↗AI CHANGE RADAR
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公式情報源から取得した更新履歴を、新しい順に。気になるサービスの変化を確かめましょう。
Feature
Released workload identity federation. Trusted workloads can exchange externally issued identity tokens for short-lived OpenAI access tokens without storing long-lived API keys.
公式の更新履歴を見る ↗May 25, 2026
The gemini-3.1-flash-lite-preview model has been shut down. Use gemini-3.1-flash-lite instead.
公式の更新履歴を見る ↗May 19, 2026
Released gemini-3.5-flash, the generally available (GA) version of Gemini 3.5 Flash, our most intelligent model for sustained frontier performance on agentic and coding tasks. This is now the model behind gemini-flash-latest. Launched the Managed Agents in the Gemini API in public preview. This enables developers to build and deploy autonomous, stateful agents that run in secure, isolated Google-hosted Linux sandbox environments. To learn more, see the Agents overview page and the Quickstart. Released the general-purpose Antigravity Agent managed agent, antigravity-preview-05-2026, in public preview. The Antigravity agent can autonomously plan, reason, write and execute code, manage files, and browse the web inside its sandbox container. See the Antigravity Agent guide for code samples and specifications.
公式の更新履歴を見る ↗Feature
Released Secure MCP Tunnel for enterprise customers. Secure MCP Tunnel lets supported OpenAI products including ChatGPT web, Codex, Responses API, and AgentKit connect to private or on-prem MCP servers through a customer-hosted tunnel-client without exposing those servers to the public internet.
公式の更新履歴を見る ↗Update
You can now manage multiple IP allowlists and apply each one at the project level or across the whole organization. To configure them, go to Settings > Security > IP allowlist.
公式の更新履歴を見る ↗Update / dall-e-2 / dall-e-3 / v1/realtime
Deprecated DALL·E model snapshots and the Realtime API Beta. DALL·E model snapshots dall-e-2 and dall-e-3 were deprecated and removed from the API on May 12, 2026. We recommend using gpt-image-2, gpt-image-1, or gpt-image-1-mini instead. The Realtime API Beta was deprecated and removed from the API on May 12, 2026. If you are still using the beta interface, migrate to the released Realtime API. See the migration guide and the full deprecations page.
公式の更新履歴を見る ↗Feature / v1/responses
Added return_token_budget for the Responses API web search tool. Use it to opt in to longer GPT-5+ reasoning web search runs for high-effort research and evaluation workloads.
公式の更新履歴を見る ↗Feature / gpt-realtime-2 / gpt-realtime-translate / gpt-realtime-whisper / v1/realtime / v1/realtime/translations / v1/realtime/transcription_sessions
Released GPT-Realtime-2, a new realtime voice model with configurable reasoning for speech-to-speech agents, along with GPT-Realtime-Translate for streaming speech translation and GPT-Realtime-Whisper for streaming speech-to-text. Updated the Realtime and audio guide, added a dedicated Realtime translation guide, refreshed Realtime transcription for streaming transcripts, and moved realtime prompting guidance into Using realtime models.
公式の更新履歴を見る ↗May 7, 2026
Released gemini-3.1-flash-lite, the generally available (GA) version of Gemini 3.1 Flash-Lite, optimized for speed, scale, and cost efficiency. Deprecation announcement: The gemini-3.1-flash-lite-preview model is deprecating on 5/11/26 and will be shut down on May 25, 2026.
公式の更新履歴を見る ↗Feature
Released the OpenAI Developers plugin for Codex. This helps you build AI applications and agents in Codex with OpenAI Platform access and OpenAI API setup guidance.
公式の更新履歴を見る ↗May 6, 2026
Upcoming breaking change: The Interactions API request and response schema (outputs → steps) and output format configuration (response_format) are changing. The new schema becomes the default on May 26 and the legacy schema will be removed on June 8. See the migration guide for details.
公式の更新履歴を見る ↗