According to Greg Brockman on Twitter, OpenAI has launched GPT-5.2-Codex, which is specifically optimized for long-horizon agentic coding tasks. The model demonstrates strong performance in code refactoring and system migrations, positioning itself as a leading AI tool for enterprise-level software modernization and automation workflows. This launch highlights significant business opportunities for companies seeking scalable AI-driven code transformation solutions and reinforces Codex's role as a foundational technology in the AI development tools market (Source: Greg Brockman, Twitter, Dec 18, 2025).