According to Greg Brockman on Twitter, OpenAI's Codex is now accessible to ChatGPT Plus users, introducing a highly requested feature that allows users to enable internet access for the AI agent with granular control over HTTP methods and allowed domains (source: Greg Brockman, Twitter, June 3, 2025). This update enables developers and businesses to leverage real-time data and web resources directly within ChatGPT, significantly expanding opportunities for AI-driven automation, workflow integration, and up-to-date information retrieval. The new controls enhance security and customization, making Codex a more robust solution for enterprise and application development in dynamic environments.

According to OpenAI (@OpenAI), Codex is now being rolled out to ChatGPT Plus users, making advanced AI coding assistance accessible directly through chatgpt.com/codex (source: OpenAI Twitter, June 3, 2025). This release enables developers and businesses to leverage Codex's code generation and understanding capabilities within the ChatGPT interface, streamlining software development workflows and accelerating product prototyping. The integration presents significant business opportunities for companies seeking to automate coding tasks, reduce development time, and enhance productivity using AI-powered tools, especially as Codex can handle multiple programming languages and complex codebases.