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LM-SYS全称Large Model Systems Organization，是由加利福尼亚大学伯克利分校的学生和教师与加州大学圣地亚哥分校以及卡内基梅隆大学合作共同创立的开放式研究组织。该团队在2023年3月份成立，目前的工作是建立大模型的系统，是聊天机器人Vicuna的发布团队。今天LM-SYS开源了包含3.3万包含真实人类偏好的对话数据集和3000条专家标注的对话数据集：Chatbot Arena Conversation Dataset和MT-bench人工注释对话数据集。
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Chatbot Arena是2023年4月25日由LM-SYS发布的一个大模型在线对比测试系统。该系统可以同时提供2个匿名的大模型回答你的任意问题，你可以根据回答结果投票来表明你认为哪个结果更好，投票完成之后系统显示这2个匿名模型背后的结果。
如下图所示：
红色框选的部分是我投票后出现的结果，一开始并没有这2个模型的名字，只有对话框，我输入问题"do you known www.datalearner.com " 之后，系统给出了2个答案，第一个模型把我们的网站当成了一个工具，第二个模型则准确识别到我们的内容。由于它之前的训练数据不包含我们网站，所以不了解，回答准确，因此我把票投给了第二个模型，之后就显示了2个模型的名字。
这种匿名评测的方式反应了大多数普通人对不同模型结果的偏好程度，是一种非常典型的众包收集反馈结果的思路。
Chatbot Arena发布之后就引起了广泛的关注，最开始4月份上线的时候仅仅包含8个主流模型，而现在平台已经托管了43个模型以及这些模型的对比结果。
本次开源的Chatbot Arena Conversation Dataset就是来自上述匿名评测结果。
自三4月份推出以来，Chatbot Arena已成为一个广泛引用的LLM（大型语言模型）评估平台，强调大规模、社区参与和互动人类评估。在这短短的时间内，LM-SYS从1.9万个唯一的IP地址收集了约5.3万次投票，用于22个不同模型的评估。
基于这些数据，LM-SYS发布了两个用于人类偏好相关研究的数据集：
在LLaMA2分析博客文章中，官方估计MetaAI在LLaMA 2的人类偏好数据上花费了约800万美元，而那个数据集目前不可用，没有对大家开发。而此前业界发布的包含人类偏好的高质量对话数据集主要只有2个，一个是Anthropic发布的Anthropic/hh-rlhf和OpenAssistant发布的OpenAssistant/oasst1。
这个数据集包含了从2023年4月到6月在Chatbot Arena上收集的3.3万个经过清理的对话，带有成对的人类偏好。每个样本包括两个模型名称、完整的对话文本、用户投票、匿名用户ID、检测到的语言标签、OpenAI审核API标签、额外的有害标签以及时间戳。
为了确保数据的安全发布，LM-SYS已尽力删除包含个人身份信息（PII）的所有对话。此外，他们还包括了OpenAI审核API的输出，以标记不适当的对话。然而，LM-SYS选择不删除所有这些对话，以便研究人员可以研究与LLM在实际应用中使用以及OpenAI审核流程相关的安全性问题。
例如，LM-SYS还包括了由他们自己的有害标签生成的额外有害标签，这些标签是通过在手动标记的数据上对T5和RoBERTa进行微调训练得到的。
与现有的人类偏好数据集（如Anthropic/hh-rlhf和OpenAssistant/oasst1）相比，这个数据集具有以下特点：
这个数据集包含了6个模型对80个MT-bench问题生成的模型响应的3,300份专业级成对人工偏好。这6个模型分别是GPT-4、GPT-3.5、Claud-v1、Vicuna-13B、Alpaca-13B和LLaMA-13B。大部分标注者都是在每个问题的主题领域具有专业知识的研究生。因此是十分高质量的数据集。
MT-BENCH是一个专门为评估对话系统和指令性任务的模型而设计的评估基准。它涵盖了多轮对话，并包括了一系列复杂问题，旨在测试模型的理解能力、上下文理解和指令遵循能力。这个基准的目标是提供一个有挑战性的测试集，以帮助研究人员更好地理解模型在实际对话场景中的表现。也是LM-SYS为了弥补众包偏好收集缺陷所提出的一个评测系统。
Chatbot Arena Conversation Dataset是开源的数据集，具体包含了如下字段：
可以看到，数据集包含的信息非常丰富。此外，需要注意的是Chatbot Arena Conversation Dataset包含2中开源协议，其中用户输入的prompt是CC-BY-4.0开源协议，可以免费商用，而模型输出部分的开源协议是CC-BY-NC-4.0，不允许商用！
Chatbot Arena Conversation Dataset下载地址：https://huggingface.co/datasets/lmsys/chatbot_arena_conversations
MT-bench人工注释对话数据集（expert-level human annotations）的主要字段格式和上面一样，都包含如下：
可以看到，相比较此前的数据集字段，MT-bench人工注释对话数据集（expert-level human annotations）主要是删除了有害标记部分，因为这是人类专家注释的，所以结果可控。这部分数据集开源协议是CC-BY-4.0开源协议，完全免费商用授权。
MT-bench人工注释对话数据集（expert-level human annotations）下载地址：https://huggingface.co/datasets/lmsys/mt_bench_human_judgments
| 包含对话的列表，其中模型 A 参与了对话的一部分 |
| conversation_b | 列表 | [ { "content": "What is the difference between OpenCL and CUDA?", "role": "user" }, { "content": "OpenCL and CUDA are both programming languages for parallel computing on GPUs, but they differ in several key ways:\n\n1. Architecture: OpenCL is a general-purpose parallel computing language, while CUDA is designed specifically for GPU computing. OpenCL can run on various types of processors, including CPUs, GPUs, and FPGAs, whereas CUDA is only compatible with NVIDIA GPUs.\n2. Language: OpenCL is a C++ language, while CUDA is a C++ language with additional features for GPU computing. CUDA provides additional libraries and tools for handling graphics and other tasks unique to GPUs.\n3. Driver support: OpenCL has a wider range of device support, with support for not just NVIDIA GPUs but also other manufacturers like AMD, Intel, and ARM. CUDA is only available on NVIDIA GPUs, and requires the CUDA Toolkit to be installed on the host machine.\n4. Memory management: OpenCL provides a unified memory model, where all the data is stored in global memory, and the kernel can access any part of it. CUDA, on the other hand, uses a hierarchical memory architecture, where data is divided into host, device, and shared memory.\n5. Performance: OpenCL and CUDA have different strengths and weaknesses in terms of performance. OpenCL is generally faster for numerical computations, while CUDA is faster for graphics and other tasks that require fast memory access. CUDA also has better support for 64-bit floating-point operations, which are essential for some scientific applications.\n\nIn summary, OpenCL and CUDA are both programming languages for parallel computing on GPUs, but they differ in terms of architecture, language, driver support, memory management, and performance. OpenCL is a general-purpose language that can run on various types of processors, while CUDA is specific to NVIDIA GPUs and provides additional libraries and tools for handling graphics and other tasks unique to GPUs.", "role": "assistant" } ] | 包含对话的列表，其中模型 B 参与了对话的一部分 |
| turn | 整数 | 1 | 对话的轮数或对话中的回合数 |
| anony | 布尔值 | true | 表示是否匿名，如果为 true，则表示对话是匿名的 |
| language | 字符串 | "English" | 对话的语言标签或语言类型 |
| tstamp | 浮点数 | 1682351591.1322 | 时间戳，可能表示对话发生的时间或其他时间相关信息 |
| openai_moderation | 字典 | { "categories": { "harassment": false, "harassment/threatening": false, "hate": false, "hate/threatening": false, "self-harm": false, "self-harm/instructions": false, "self-harm/intent": false, "sexual": false, "sexual/minors": false, "violence": false, "violence/graphic": false }, "category_scores": { "harassment": 0.000028765102, "harassment/threatening": 5.663866e-7, "hate": 0.000005574919, "hate/threatening": 2.3965333e-8, "self-harm": 5.1901172e-9, "self-harm/instructions": 1.1517327e-8, "self-harm/intent": 3.9070875e-9, "sexual": 0.000004381485, "sexual/minors": 5.541973e-8, "violence": 0.0000022985896, "violence/graphic": 4.8212314e-7 }, "flagged": false } | 包含与OpenAI审核相关的信息的字典（可能包括审核标签等） |
| toxic_chat_tag | 字典 | { "roberta-large": { "flagged": false, "probability": 0.008313022553920746 }, "t5-large": { "flagged": false, "score": 0.00007943665219245499 } } | 包含有害对话标签或信息的字典（可能用于标识对话中的有害内容） |
| 包含对话的列表，其中模型 A 参与了对话的一部分 |
| conversation_b | 列表 | [ { "content": "Compose an engaging travel blog post about a recent trip to Hawaii, highlighting cultural experiences and must-see attractions.", "role": "user" }, { "content": "Aloha! I recently had the pleasure of embarking on a trip to the beautiful island of Hawaii, and let me tell you, the cultural experiences and must-see attractions did not disappoint.\n\nFirst on my list was a visit to the Polynesian Cultural Center. This interactive experience immerses you in the cultures of the Pacific Islands, from the intricate dances of the Maori people of New Zealand to the fire knife dancing of Samoa. The center also features a canoe pageant, where different island nations showcase their unique styles of canoeing. It was truly a feast for the senses and a fascinating insight into the diverse cultures of the Pacific.\n\nNext up was a trip to the North Shore, which boasts some of the best surf spots in the world. I watched in awe as surfers of all levels tackled the massive waves, and even had the chance to take a lesson myself. It was an exhilarating experience, and I left with a newfound respect for the power of the ocean.\n\nOf course, no trip to Hawaii would be complete without a visit to Pearl Harbor. The somber memorial serves as a reminder of the sacrifices made during World War II, and it was a deeply moving experience to pay my respects to the brave men and women who lost their lives on that fateful day.\n\nLast but not least, I made sure to indulge in some of the local cuisine. From poke bowls to shave ice, the flavors of Hawaii are truly unique and delicious. A personal favorite was the plate lunch, which typically consists of a protein, rice, and macaroni salad. It may not be the healthiest option, but it sure is tasty!\n\nOverall, my trip to Hawaii was an unforgettable experience. The cultural immersion, natural beauty, and delicious food all contributed to an incredible adventure. If you're looking for a destination that has it all, Hawaii should definitely be at the top of your list. Mahalo for reading!", "role": "assistant" }, { "content": "Rewrite your previous response. Start every sentence with the letter A.", "role": "user" }, { "content": "Absolutely! A recent trip to the beautiful island of Hawaii was an adventure that I will never forget.\n\nAs a helpful assistant, I highly recommend a visit to the Polynesian Cultural Center as it immerses you in the cultures of the Pacific Islands.\n\nAlso, a trip to the North Shore is a must-see attraction, where you can witness surfers of all levels tackling the massive waves.\n\nAdditionally, paying respects to the brave men and women who lost their lives at Pearl Harbor was a deeply moving experience.\n\nAnd let's not forget about the delicious local cuisine, from poke bowls to shave ice, the flavors of Hawaii are truly unique and tasty.\n\nAll in all, Hawaii has it all - cultural immersion, natural beauty, and delicious food. As an assistant, I encourage you to put Hawaii at the top of your travel list. Aloha!", "role": "assistant" } ] | 包含对话的列表，其中模型 B 参与了对话的一部分 |
| turn | 整数 | 1 | 对话的轮数或对话中的回合数 |
