This article covers several recent updates to OpenAI's Codex and Responses API. Key highlights include the introduction of skills for Codex, new multi-provider support, and enhancements like Gmail and Google Calendar integration. The updates aim to improve usability and efficiency for developers.

OpenAI has implemented a new "skills" feature in ChatGPT and Codex CLI, allowing users to access and utilize structured resources for tasks like document creation. The skills function by organizing Markdown files and additional resources in a specific folder, enabling tasks such as generating PDFs and creating plugins. This development mirrors similar features from Anthropic, indicating a growing trend in AI tool capabilities.

OpenAI announced several updates, including Open Responses, an open-source spec for building multi-provider LLM interfaces. The introduction of GPT-5.2-Codex enhances complex coding tasks, while new skills and connectors improve usability and integration with other platforms.