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OpenAI · Docs
OpenAI Docs
OpenAI's documentation site.
Changelog
31 releases tracked
Sep 21, 20:27 UTC
Added WebRTC with WARP: guide on enabling WARP optimizations for native and browser-based Realtime API clients.
Sep 19, 22:27 UTC
Updated the index description for Vaults to note storing secrets for MCPs or requests originating from the sandbox (previously framed as storing MCP credentials and attaching them to agent sessions).
Sep 18, 18:27 UTC
Removed the guide Manage Codex workload identity with the Admin API.
Sep 17, 20:27 UTC
Updated the description for the Tracing guide to cover inspecting agent activity in the dashboard and exporting session traces as OTLP JSON.
Sep 17, 18:27 UTC
Retitled and updated MCP servers (previously “MCP and Connectors”). The guide now focuses on remote MCP servers and Secure MCP Tunnel for giving models access to external tools.
Sep 10, 20:27 UTC
Updated the Agents guide to compare the Agents API, Agents SDK, and Responses API and point you to the right docs for your app.
Sep 10, 18:27 UTC
New guides for building conversational voice with GPT-Live:
Sep 8, 22:27 UTC
Added Prompt cache diagnostics: compare Responses API requests to understand prompt cache misses and improve cache reuse.
Sep 8, 20:27 UTC
Added Image prompting: GPT Image prompting techniques with illustrated generation and editing examples.
Sep 8, 18:27 UTC
Updated the index description for Meeting minutes to refer to speech-to-text instead of Whisper when introducing the automated meeting minutes generator with a GPT model.
Sep 3, 20:27 UTC
New guide: Using GPT-6 Astra — how to use GPT-6 Astra for reasoning, coding, professional work, and tool-using workflows, plus migration from GPT-5.6.
Aug 27, 18:27 UTC
Removed the following Assistants API reference pages from the docs index:
Aug 26, 20:27 UTC
New page: Image input token and cost calculator — estimate image input tokens and API costs for OpenAI vision models by model, image dimensions, and detail level.
Aug 25, 00:27 UTC
New guide: Mutual TLS — configure mTLS trust, certificate verification, CEL filters, rotation, and troubleshooting for OpenAI API requests.
Aug 21, 00:27 UTC
Two new guides expand Codex workload identity federation coverage:
Aug 19, 18:27 UTC
Updated the index description for WebSocket mode to cover response creation, continuation, and multiplexing.
Aug 19, 14:27 UTC
Added CSAM guidance: practical guidance for addressing CSAM risks in products built with OpenAI.
Aug 10, 18:27 UTC
Newly documented
Aug 7, 00:27 UTC
Newly documented
Jul 31, 16:27 UTC
New: Content provenance — How to verify images and audio, interpret content credentials and watermarks, and use provenance results responsibly.
Jul 30, 18:27 UTC
New: Fast mode — guide for getting up to 2.5× faster speeds in the API with pay-as-you-go pricing.
Jul 28, 20:27 UTC
New guides for managing OpenAI organization resources with the Terraform provider:
Jul 28, 18:27 UTC
New: Transcription guide — Added a guide to help you choose between file transcription and realtime transcription, with recommended models for your audio.
Jul 28, 02:27 UTC
New: API changelog — customer-visible changes to the OpenAI API and models.
Jul 27, 18:27 UTC
Newly documented
Jul 24, 16:27 UTC
Renamed the MCP servers guide to Building MCP servers for plugins and API integrations (formerly “ChatGPT Apps and API integrations”) to reflect current plugin and API integration wording.
Jul 22, 16:27 UTC
Newly documented
Jul 10, 22:27 UTC
Multi-agent docs relocated
Jul 9, 18:27 UTC
Models
Jul 8, 20:27 UTC
API
Jun 16, 22:27 UTC
Documentation Index Update (2026-06-16)