Merge pull request #7239 from mrbullwinkle/mrb_09_23_2025_codex_cross_links

[Azure OpenAI] Codex cross links

Author: prmerger-automator[bot]

articles/ai-foundry/openai/includes/models-azure-direct-openai.md

@@ -50,7 +50,7 @@ ms.topic: include
 | `gpt-5-mini` (2025-08-07) | - [Reasoning](../how-to/reasoning.md) <br> - Chat Completions API. <br> - [Responses API](../how-to/responses.md). <br> - Structured outputs.<br> - Text and image processing. <br> - Functions, tools, and parallel tool calling. <br> - [Full summary of capabilities](../how-to/reasoning.md).     | 400,000<br><br>Input: 272,000<br>Output: 128,000   | 128,000  | June 24, 2024 |
 | `gpt-5-nano` (2025-08-07) | - [Reasoning](../how-to/reasoning.md) <br> - Chat Completions API. <br> - [Responses API](../how-to/responses.md). <br> - Structured outputs.<br> - Text and image processing. <br> - Functions, tools, and parallel tool calling. <br> - [Full summary of capabilities](../how-to/reasoning.md).     | 400,000<br><br>Input: 272,000<br>Output: 128,000  | 128,000 | May 31, 2024 |
 | `gpt-5-chat` (2025-08-07)<br>**Preview** | - Chat Completions API. <br> - [Responses API](../how-to/responses.md). <br> - **Input**: Text/Image <br> - **Output**: Text only  | 128,000 | 16,384 | October 24, 2024 |
-| `gpt-5-codex` (2025-09-11) | - [Responses API](../how-to/responses.md) only. <br> - **Input**: Text/Image <br> - **Output**: Text only  <br> - Structured outputs.<br> - Text and image processing. <br> - Functions, tools, and parallel tool calling. <br> - [Full summary of capabilities](../how-to/reasoning.md)  | 400,000<br><br>Input: 272,000<br>Output: 128,000 | 128,000 | - |
+| `gpt-5-codex` (2025-09-11) | - [Responses API](../how-to/responses.md) only. <br> - **Input**: Text/Image <br> - **Output**: Text only  <br> - Structured outputs.<br> - Text and image processing. <br> - Functions, tools, and parallel tool calling. <br> - [Full summary of capabilities](../how-to/reasoning.md)<br> - Optimized for [Codex CLI & Codex VS Code extension](../how-to/codex.md)  | 400,000<br><br>Input: 272,000<br>Output: 128,000 | 128,000 | - |
 
 ## gpt-oss
 

articles/ai-foundry/openai/whats-new.md

@@ -18,6 +18,15 @@ ms.custom:
 
 This article provides a summary of the latest releases and major documentation updates for Azure OpenAI.
 
+## September 2025
+
+## GPT-5-codex is now available
+
+- To learn more about `gpt-5-codex`, see the [getting started with reasoning models page](./how-to/reasoning.md).
+- `gpt-5-codex` is specifically designed to be used with the [Codex CLI and the Visual Studio Code Codex extension](./how-to/codex.md).
+
+- **[Registration is required for access to the gpt-5-codex model](https://aka.ms/oai/gpt5access).** If you have previously registered and obtained access to other limited access models like `gpt-5` you do not need to reapply and will automatically be granted access.
+
 ## Sora video-to-video support 
 
 The Sora model from OpenAI now supports video-to-video generation. You can provide a short video as input to generate a new, longer video that incorporates the input video. See the [quickstart](./video-generation-quickstart.md) to get started.