OpenAI’s GPT-5 Codex Achieves 74.5% Success Rate, Challenges Claude’s AI Coding Dominance

OpenAI has launched GPT-5 Codex, a major upgrade to its AI-powered coding assistant that achieves a 74.5% success rate on coding benchmarks and 51% improvement in code refactoring tasks. The enhanced model is rolling out across Terminal, IDE extensions, and web platforms, enabling both exp...