GPT-5.2-Codex vs Claude-Sonnet-4.5: Code Generation Showdown

In the Linux.do community, a user conducted an in-depth comparison of GPT-5.2-Codex and Claude-Sonnet-4.5’s performance in the code generation field. The user asked which model excels at writing code and shared hands-on experience: Codex frequently fails after five retry attempts, despite network latency being kept under 100ms and a clean environment. The discussion focuses on the practicality and stability of AI models in software engineering, providing valuable real-world insights for developers and revealing the challenges and advantages of cutting-edge AI tools in actual deployment.