GPT-5.4 把 GPT-5.3-Codex 的编程能力整合进主线，对开发者来说，这意味着你不再需要为了写代码单独开一个模型，而且编程能力本身也没有因此打任何折扣。
uint32_t magic;，这一点在新收录的资料中也有详细论述
The open letter is the latest development in the saga between Anthropic and US Defense Secretary Pete Hegseth, who threatened to label the company a “supply chain risk” if it did not agree to withdraw certain guardrails for classified work. The Pentagon has also been in talks with Google and OpenAI about using their models for classified work, with xAI coming on board earlier this week. The letter argues the government is "trying to divide each company with fear that the other will give in.”。关于这个话题，新收录的资料提供了深入分析
有意思的是，二审询问结束后的第二天，它突然将索赔额从500元提高至8000万元，败局已定时，为了少承担二审诉讼费，又迅速将索赔额降回500元。，详情可参考新收录的资料