software engineering AI News & Updates

OpenAI Launches Codex: Advanced AI Coding Agent Powered by o3 Reasoning Model

OpenAI has introduced Codex, a new AI coding agent powered by the codex-1 model (an optimized version of o3) that can write features, fix bugs, answer questions about codebases, and run tests in a sandboxed environment. Initially available to ChatGPT Pro, Enterprise, and Team subscribers with plans to expand access, Codex joins the competitive market of AI coding tools like Claude Code and Gemini Code Assist.