📄 中文摘要
GPT-5.3 Codex 是 OpenAI 于 2026 年 2 月发布的最新代理模型，标志着人工智能从标准代码生成向自主、端到端软件工程的重大飞跃。该模型取代了旧版的 GPT-5.2 和 GPT-5.2-Codex，不再仅仅是一个“编码助手”，而是一个全面的通用工作代理，旨在处理整个软件生命周期。对于开发者、工程经理或对 AI 进展感兴趣的技术爱好者来说，理解 GPT-5.3 Codex 的能力和基准，及其如何根本改变软件构建方式至关重要。
什么是 GPT-5.3 Codex？OpenAI 新一代通用工作代理的终极指南
📄 English Summary
What is GPT-5.3 Codex? The Ultimate Guide to OpenAI’s New General Work Agent
GPT-5.3 Codex, released by OpenAI in February 2026, represents a significant leap in artificial intelligence, transitioning from standard code generation to autonomous, end-to-end software engineering. This model replaces the legacy GPT-5.2 and GPT-5.2-Codex, evolving beyond a mere 'coding assistant' to a comprehensive general work agent capable of managing the entire software lifecycle. Understanding the capabilities, benchmarks, and the fundamental changes it brings to software development is crucial for developers, engineering managers, and tech enthusiasts keeping pace with AI advancements.