Claude Sonnet 4.5 vs GPT-5 Codex: Which AI Model is Best for Developers

Claude Sonnet 4.5 vs GPT-5 Codex: The AI Coding Battle Comparing the leading AI coding models released in September 2025 🏆 Performance Leadership Claude Sonnet 4.5 is positioned as the “best coding model in the world” with superior performance for…













