phi3:3.8b-mini-4k-instruct-fp16

我们的模型并非专门为所有下游目的而设计或评估。开发人员在选择用例时应考虑语言模型的常见限制，并在特定的下游用例中使用前评估并减轻准确性、安全性和公平性问题，尤其是在高风险情况下。开发人员应了解并遵守与其用例相关的适用法律或法规（包括隐私、贸易合规法律等）。本模型卡中包含的任何内容均不应被解释为或视为对模型发布所依据的许可的限制或修改。

负责任的 AI 考虑事项

与其他语言模型一样，Phi 系列模型可能会以不公平、不可靠或冒犯的方式运行。需要注意的一些限制行为包括

服务质量：Phi 模型主要基于英语文本进行训练。英语以外的语言的表现会更差。在训练数据中代表性不足的英语语言变体的表现可能比标准美式英语更差。
危害的表示和刻板印象的延续：这些模型可能过度或不足地表示人群，消除某些人群的表示，或强化贬低或负面的刻板印象。尽管进行了安全后训练，但由于不同群体的代表性水平不同，或者在训练数据中反映真实世界模式和社会偏见的负面刻板印象示例的普遍存在，这些限制可能仍然存在。
不适当或冒犯性内容：这些模型可能会生成其他类型的不适当或冒犯性内容，这可能会使其不适合在敏感环境中使用，而没有特定于用例的额外缓解措施。
信息可靠性：语言模型可能会生成无意义的内容或捏造内容，这些内容听起来合理但实际上是不准确或过时的。
代码范围有限：Phi-3 的大部分训练数据都基于 Python，并使用“typing、math、random、collections、datetime、itertools”等常用软件包。如果模型生成使用其他软件包或用其他语言编写的脚本的 Python 脚本，我们强烈建议用户手动验证所有 API 用法。

开发人员应应用负责任的 AI 最佳实践，并负责确保特定用例符合相关法律法规（例如，隐私、贸易等）。需要考虑的重要领域包括：+ 分配：如果不进行进一步评估和额外的去偏见技术，模型可能不适用于可能对法律地位或资源或生活机会分配产生重大影响的情况（例如：住房、就业、信贷等）。

高风险场景：开发人员应评估在高风险场景中使用模型的适用性，在这些场景中，不公平、不可靠或冒犯性的输出可能会造成极其高昂的代价或导致伤害。这包括在准确性和可靠性至关重要的敏感或专家领域提供建议（例如：法律或健康建议）。应根据部署环境在应用层实施额外的安全措施。
错误信息：模型可能会生成不准确的信息。开发人员应遵循透明度最佳实践，并告知最终用户他们正在与 AI 系统交互。在应用层，开发人员可以构建反馈机制和管道，以将响应置于特定于用例的上下文信息中，这种技术称为检索增强生成 (RAG)。
有害内容的生成：开发人员应评估其上下文的输出，并使用适用于其用例的可用安全分类器或自定义解决方案。
滥用：可能存在其他形式的滥用，例如欺诈、垃圾邮件或恶意软件制作，开发人员应确保他们的应用程序不违反适用法律法规。

训练

模型

架构：Phi-3 Mini 具有 38 亿个参数，是一个密集解码器专用 Transformer 模型。该模型经过监督微调 (SFT) 和直接偏好优化 (DPO) 的微调，以确保与人类偏好和安全指南保持一致。
输入：文本。它最适合使用聊天格式的提示。
上下文长度：128K 个令牌
GPU：512 H100-80G
训练时间：7 天
训练数据：3.3T 个令牌
输出：生成文本以响应输入
日期：我们的模型在 2024 年 2 月至 4 月之间接受训练
状态：这是一个在离线数据集上训练的静态模型，截止日期为 2023 年 10 月。随着我们改进模型，未来版本的调优模型可能会发布。

数据集

我们的训练数据来源广泛，总计 3.3 万亿个 tokens，包括：1) 严格筛选质量的公开文档、精选的高质量教育数据和代码；2) 为教学数学、编码、常识推理、世界通用知识（科学、日常活动、心智理论等）而新创建的合成的“教科书式”数据；3) 涵盖各种主题的高质量聊天格式监督数据，以反映人类在指令遵循、真实性、诚实性和乐于助人等不同方面的偏好。

软件

许可证

该模型基于 MIT 许可证授权。

商标

本项目可能包含项目、产品或服务的商标或标识。微软商标或标识的授权使用受微软商标和品牌指南的约束并必须遵守该指南。在本项目的修改版本中使用微软商标或标识不得造成混淆或暗示微软赞助。任何第三方商标或标识的使用均受该第三方政策的约束。

资源

Phi-3 is a family of open AI models developed by Microsoft.

## Parameter sizes

- [Phi-3 Mini](https://ollama.org.cn/library/phi3:mini) – 3B parameters – `ollama run phi3:mini`
- [Phi-3 Medium](https://ollama.org.cn/library/phi3:medium) – 14B parameters – `ollama run phi3:medium`

## Context window sizes

> Note: the 128k version of this model requires [Ollama 0.1.39](https://github.com/ollama/ollama/releases/tag/v0.1.39) or later.

- 4k `ollama run phi3:mini` `ollama run phi3:medium`
- 128k `ollama run phi3:medium-128k`

![image.png](https://ollama.org.cn/assets/library/phi3/83b3de66-82d8-4455-9117-256802c1b82e)

## Phi-3 Mini

Phi-3 Mini is a 3.8B parameters, lightweight, state-of-the-art open model trained with the Phi-3 datasets that includes both synthetic data and the filtered publicly available websites data with a focus on high-quality and reasoning dense properties.

The model has underwent a post-training process that incorporates both supervised fine-tuning and direct preference optimization to ensure precise instruction adherence and robust safety measures.

When assessed against benchmarks testing common sense, language understanding, math, code, long context and logical reasoning, Phi-3 Mini-4K-Instruct showcased a robust and state-of-the-art performance among models with less than 13 billion parameters.

## Phi-3 Medium

Phi-3 Medium is a 14B parameter language model, and outperforms Gemini 1.0 Pro.

![image.png](https://ollama.org.cn/assets/library/phi3/2868e29b-3bba-4c4a-a6ed-1a27fb102867)

## Intended Uses

**Primary use cases**

The model is intended for commercial and research use in English. The model provides uses for applications which require
1) memory/compute constrained environments
2) latency bound scenarios
3) strong reasoning (especially math and logic)
4) long context

Our model is designed to accelerate research on language and multimodal models, for use as a building block for generative AI powered features.

**Use case considerations**

Our models are not specifically designed or evaluated for all downstream purposes. Developers should consider common limitations of language models as they select use cases, and evaluate and mitigate for accuracy, safety, and fariness before using within a specific downstream use case, particularly for high risk scenarios.
Developers  should be aware of and adhere to applicable laws or regulations (including privacy, trade compliance laws, etc.) that are relevant to their use case.
Nothing contained in this Model Card should be interpreted as or deemed a restriction or modification to the license the model is released under.

## Responsible AI Considerations
Like other language models, the Phi series models can potentially behave in ways that are unfair, unreliable, or offensive. Some of the limiting behaviors to be aware of include:

+ Quality of Service: the Phi models are trained primarily on English text. Languages other than English will experience worse performance. English language varieties with less representation in the training data might experience worse performance than standard American English.

+ Representation of Harms & Perpetuation of Stereotypes: These models can over- or under-represent groups of people, erase representation of some groups, or reinforce demeaning or negative stereotypes. Despite safety post-training, these limitations may still be present due to differing levels of representation of different groups or prevalence of examples of negative stereotypes in training data that reflect real-world patterns and societal biases.

+ Inappropriate or Offensive Content: these models may produce other types of inappropriate or offensive content, which may make it inappropriate to deploy for sensitive contexts without additional mitigations that are specific to the use case.

+ Information Reliability: Language models can generate nonsensical content or fabricate content that might sound reasonable but is inaccurate or outdated.
+ Limited Scope for Code: Majority of Phi-3 training data is based in Python and use common packages such as "typing, math, random, collections, datetime, itertools". If the model generates Python scripts that utilize other packages or scripts in other languages, we strongly recommend users manually verify all API uses.

Developers should apply responsible AI best practices and are responsible for ensuring that a specific use case complies with relevant laws and regulations (e.g. privacy, trade, etc.). Important areas for consideration include:
+ Allocation: Models may not be suitable for scenarios that could have consequential impact on legal status or the allocation of resources or life opportunities (ex: housing, employment, credit, etc.) without further assessments and additional debiasing techniques.

+ High-Risk Scenarios: Developers should assess suitability of using models in high-risk scenarios where unfair, unreliable or offensive outputs might be extremely costly or lead to harm. This includes providing advice in sensitive or expert domains where accuracy and reliability are critical (ex: legal or health advice). Additional safeguards should be implemented at the application level according to the deployment context.

+ Misinformation: Models may produce inaccurate information. Developers should follow transparency best practices and inform end-users they are interacting with an AI system. At the application level, developers can build feedback mechanisms and pipelines to ground responses in use-case specific, contextual information, a technique known as Retrieval Augmented Generation (RAG).

+ Generation of Harmful Content: Developers should assess outputs for their context and use available safety classifiers or custom solutions appropriate for their use case.

+ Misuse: Other forms of misuse such as fraud, spam, or malware production may be possible, and developers should ensure that their applications do not violate applicable laws and regulations.

## Training

### Model

* Architecture: Phi-3 Mini has 3.8B parameters and is a dense decoder-only Transformer model. The model is fine-tuned with Supervised fine-tuning (SFT) and Direct Preference Optimization (DPO) to ensure alignment with human preferences and safety guidelines.
* Inputs: Text. It is best suited for prompts using chat format.
* Context length: 128K tokens
* GPUS: 512 H100-80G
* Training time: 7 days
* Training data: 3.3T tokens
* Outputs: Generated text in response to the input
* Dates: Our models were trained between February and April 2024
* Status: This is a static model trained on an offline dataset with cutoff date October 2023. Future versions of the tuned models may be released as we improve models.

### Datasets
Our training data includes a wide variety of sources, totaling 3.3 trillion tokens, and is a combination of
1) publicly available documents filtered rigorously for quality, selected high-quality educational data, and code;
2) newly created synthetic, “textbook-like” data for the purpose of teaching math, coding, common sense reasoning, general knowledge of the world (science, daily activities, theory of mind, etc.);
3) high quality chat format supervised data covering various topics to reflect human preferences on different aspects such as instruct-following, truthfulness, honesty and helpfulness.

### Software

* [PyTorch](https://github.com/pytorch/pytorch)
* [DeepSpeed](https://github.com/microsoft/DeepSpeed)
* [Transformers](https://github.com/huggingface/transformers)
* [Flash-Attention](https://github.com/HazyResearch/flash-attention)

### License

The model is licensed under the [MIT license](https://ollama.org.cn/library/phi3:latest#fa8235e5b48fENSE).

## Trademarks

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow [Microsoft’s Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks). Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party’s policies.

## Resources

+ [HuggingFace](https://hugging-face.cn/microsoft/Phi-3-mini-4k-instruct-gguf)
+ [Phi-3 Microsoft Blog](https://aka.ms/phi3-blog)
+ [Phi-3 Technical Report](https://aka.ms/phi3-tech-report)
+ [Phi-3 on Azure AI Studio](https://aka.ms/phi3-azure-ai)
+ [Phi-3 on Hugging Face](https://aka.ms/phi3-hf)
+ Phi-3 ONNX: [4K](https://aka.ms/phi3-mini-4k-instruct-onnx) and [128K](https://aka.ms/phi3-mini-128k-instruct-onnx)

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