Hacker News 推出了一套专为 AI 工程师及前线部署工程师设计的免费 Colab 笔记本教程，全面覆盖了应用大语言模型的完整技术栈，包括模型 API、检索增强生成、模型评估、智能体、微调、安全、运维以及服务部署等核心领域 1。与依赖第三方工具不同，这套教程主打无框架理念，全程采用原始 API 调用进行教学，摒弃了 LangChain 或 LlamaIndex 等流行框架 1。
在运行环境方面，课程全程基于免费的 Groq API 展开，用户无需绑定信用卡即可使用 1。教程共分为 12 个章节，依次涵盖基础设置、模型 API、评估（一）与评估（二）、检索增强生成、智能体、模型适配、安全、运维、服务与推理性能、机器学习系统设计、客户工艺，以及案例研究与毕业项目 1。由于 Groq 无法托管模型，涉及 LoRA 微调和自托管部署的章节采取了概念优先的教学方式，并提供了可选的 Colab-GPU 附录 1。此外，该教程兼容 OpenAI API，用户只需进行少量修改即可将其迁移至 Anthropic 平台 1。
为了强化实践能力，课程内置了三个端到端的真实案例，包括用于生产环境调试的支持助手、流水线与智能体的成本对比，以及红队鲁棒性基准测试 1。在课程的最后，学员需要完成一项毕业项目，即构建一个包含服务组件和评估报告的可部署代码仓库 1。
Hacker News has released a comprehensive set of free, framework-free Colab notebooks designed specifically for AI Engineers and Forward Deployed Engineers 1. The tutorial covers the entire applied LLM technology stack, ranging from model APIs, RAG, and evaluations to agents, fine-tuning, security, operations, and deployment 1. A defining feature of the course is its framework-free approach, utilizing raw API calls instead of relying on tools like LangChain or LlamaIndex 1. Furthermore, the entire curriculum runs on the free Groq API, which does not require a credit card for access 1.
The curriculum comprises 12 chapters: 00 Setup, 01 Model APIs, 02 Evals I, 03 RAG, 04 Evals II, 05 Agents, 06 Adapting the model, 07 Security, 08 Operations, 09 Serving & inference performance, 10 ML system design & performance, 11 Customer craft, and 12 Case Studies & Capstone 1. Because Groq cannot host models, chapter 06 on LoRA fine-tuning and chapter 09 on self-hosted deployment prioritize conceptual learning and include optional Colab-GPU appendices 1. The notebooks are compatible with the OpenAI API and can be migrated to Anthropic with minor modifications 1. Students will engage with three end-to-end real-world case studies: a support assistant for production debugging, a pipeline versus agent cost comparison, and a red-teaming robustness benchmark 1. Finally, the capstone project requires learners to build a deployable repository that includes both serving components and an evaluation report 1.
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