AI Code Wars Intensify: OpenAI Fires Back at Anthropic With GPT-5.3 Codex, Its Most Powerful Coding Agent Yet
The battle for dominance in artificial intelligence has entered a new and far more technical phase. Just days after Anthropic raised eyebrows across the tech world with the launch of Claude Opus 4.6, OpenAI responded with a bold counter move. The company has unveiled GPT-5.3 Codex, calling it its most advanced coding agent to date…