为什么 OpenAI 将 ChatGPT 的推理与即时响应统一
openai 更新了 gpt-5.6 sol，将即时和深度推理整合到一个模型中，而免费用户则获得 gpt-5.6 luna 和无限制访问权限。这简化了 chatgpt 的架构，并普及了高级推理。
openai updated chatgpt, merging instant and deep reasoning modes into a single gpt-5.6 sol model for paid users to provide consistent, context-aware responses without switching tools. for the first time, free users receive access to gpt-5.6 luna with unlimited text chats and a 'think' button to trigger higher-level reasoning for complex queries. a new reasoning slider also lets paid users control how much computational effort the model applies to a task. these updates signal a move away from specialized models toward unified systems that handle both speed and depth, raising the baseline capability for free users.