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.
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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 ↗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 ↗Update
The updated Agents SDK is now available in TypeScript, with support for sandbox agents and an open-source harness built in. Learn more here.
公式の更新履歴を見る ↗Update / chat-latest
Released chat-latest snapshot which points to the latest Instant model currently used in ChatGPT. We recommend leveraging GPT-5.5 for production API usage, but feel free to use this model to test our latest improvements for chat use cases. The underlying model snapshot will be regularly updated. Read more here.
公式の更新履歴を見る ↗Update
Admin APIs are now supported in the OpenAI SDKs for Node, Python, Go, Ruby, and Java. See the Admin APIs guide for setup instructions and examples.
公式の更新履歴を見る ↗Feature / gpt-5.5 / gpt-5.5-pro / v1/responses / v1/chat/completions / v1/batch
Released GPT-5.5, a new frontier model for complex professional work, to the Chat Completions and Responses API, and released GPT-5.5 Pro for Responses API requests for tougher problems that benefit from more compute. GPT-5.5 supports a 1M token context window, image input, structured outputs, function calling, prompt caching, Batch, tool search, built-in computer use, hosted shell, apply patch, Skills, MCP, and web search. Key updates include: Reasoning effort now defaults to medium. When image_detail is unset or set to auto, the model now uses original behavior. Caching for GPT-5.5 only works with extended prompt caching. In-memory prompt caching is not supported. Learn more here.
公式の更新履歴を見る ↗Update / o3-deep-research / o3-deep-research-2025-06-26 / o4-mini-deep-research / o4-mini-deep-research-2025-06-26 / v1/responses
Deprecated o3-deep-research and o4-mini-deep-research, including their June 26, 2025 snapshots. These models are scheduled to shut down on July 23, 2026. See the deprecation notice.
公式の更新履歴を見る ↗Feature / gpt-image-2 / v1/images/generations / v1/images/edits / v1/batch
Released GPT Image 2, a state-of-the-art image generation model for image generation and editing. GPT Image 2 supports flexible image sizes, high-fidelity image inputs, token-based image pricing, and Batch API support with a 50% discount.
公式の更新履歴を見る ↗Update
Updated the Agents SDK with new capabilities, including: running agents in controlled sandboxes; inspecting and customizing the open-source harness; and controlling when memories are created and where they're stored.
公式の更新履歴を見る ↗Feature / gpt-5.4-mini / gpt-5.4-nano / v1/responses / v1/chat/completions
Released GPT-5.4 mini and GPT-5.4 nano to the Chat Completions and Responses API. GPT-5.4 mini brings GPT-5.4-class capabilities to a faster, more efficient model for high-volume workloads, while GPT-5.4 nano is optimized for simple high-volume tasks where speed and cost matter most. GPT-5.4 mini supports tool search, built-in computer use, and compaction. GPT-5.4 nano supports compaction, but does not support tool search or computer use.
公式の更新履歴を見る ↗Update / gpt-5.3-chat-latest
Updated the gpt-5.3-chat-latest slug to point to the latest model currently used in ChatGPT.
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