更会聊天、主打情绪价值，OpenAI 发布 GPT-5.1

Core Insights - The article discusses the sudden update of ChatGPT to version GPT-5.1, emphasizing its enhanced intelligence and conversational abilities [2][5]. - The new model is designed to provide faster responses for simple queries and smarter solutions for complex problems [5][24]. Model Features - GPT-5.1 Instant focuses on everyday conversations and quick responses, while GPT-5.1 Thinking is tailored for complex reasoning and in-depth inquiries [5][23]. - The upgrade includes improved adherence to user instructions, showcasing a significant difference in response style and tone compared to the previous version [20][21]. User Experience - Early tests indicate that GPT-5.1 Instant offers a more friendly and engaging interaction, often surprising users with its light-hearted responses [11][13]. - The model's ability to follow specific instructions has been notably enhanced, with GPT-5.1 Instant successfully adhering to constraints like responding in a limited number of words [21]. Technical Advancements - The introduction of adaptive reasoning technology allows GPT-5.1 Instant to determine when to think critically before responding, balancing speed and accuracy [21][22]. - GPT-5.1 Thinking is reported to be twice as fast as its predecessor in typical tasks, while also providing clearer explanations with less jargon [25][28]. Personalization Features - OpenAI has made it easier for users to customize the tone and style of ChatGPT, offering eight predefined personality traits and the ability to adjust various response characteristics [32][33]. - The model can also proactively ask users about their preferred tone during conversations, enhancing the personalization experience [34]. User Feedback - Initial user experiences highlight the model's personality, with humorous and relatable responses to absurd queries, showcasing its ability to engage in a more human-like manner [36][38][42].