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初学者
What is a Large Language Model?
A plain-English guide to Large Language Models (LLMs): how they work, what they can and cannot do, and why they matter.
读 · 6 minHow AI Text-to-Speech Works
How neural text-to-speech works, why modern AI voices sound human, and what to look for when choosing a TTS tool.
读 · 5 minHow to Use ChatGPT: A Beginner's Guide
A complete beginner's guide to using ChatGPT: writing prompts, use cases, limitations, and tips for getting the best results.
读 · 8 minAI Writing Tools Explained: How They Work and What to Expect
How AI writing assistants work, what makes them different from each other, and how to choose the right one for...
读 · 7 minBest AI Tools for Small Businesses in 2026
The most useful AI tools for small businesses in 2026: writing, customer service, marketing, accounting, and...
读 · 9 minAI Transcription and Meeting Notes: How It Works
How AI transcription tools convert speech to text, summarize meetings, and identify speakers. Plus a guide to...
读 · 6 minAI Image Editing: What It Is and How It Differs from Image Generation
The difference between AI image generation and AI image editing, plus a guide to tools like Adobe Firefly, Canva AI,...
读 · 6 minAI Tools for Students: What's Useful and What to Avoid
A guide for students on using AI tools ethically and effectively: writing help, research, coding, studying, and...
读 · 7 minAI Design Tools Guide: From Canva AI to Figma AI
How AI is changing graphic design: a guide to AI-powered design tools including Canva AI, Adobe Firefly, Figma AI,...
读 · 7 minBest Free AI Tools in 2026 (Actually Useful, No Credit Card)
The best genuinely free AI tools in 2026. No trial, no credit card. Covers writing, image generation, coding,...
读 · 8 minAI Tools for Marketing: The Complete 2026 Guide
How marketers are using AI in 2026: content creation, SEO, social media, email, ad copy, and analytics with specific...
读 · 9 minHow to Use AI for Productivity: Real Techniques That Work
Practical ways to use AI tools to save time, automate repetitive tasks, and focus on high-value work with specific...
读 · 7 minHow to Compare AI Chatbots: What to Look For
A guide to evaluating and comparing AI chatbots: reasoning ability, context length, coding, truthfulness, pricing,...
读 · 6 minUnderstanding AI Tool Pricing: A Plain-English Guide
How AI tool pricing works: monthly subscriptions, API tokens, usage-based billing, and how to estimate costs before...
读 · 6 minAI Safety and Privacy: What Every User Should Know
What happens to your data when you use AI tools, which companies train on your inputs, and practical privacy tips...
读 · 7 min中级
Prompt Engineering Basics
Learn how to write prompts that get consistently better results from any AI tool. Practical techniques with real examples.
读 · 7 minWhat are AI Agents?
What AI agents are, how they differ from standard LLMs, and how autonomous AI systems work in practice.
读 · 7 minHow AI Image Generation Works
How diffusion models, CLIP, and LoRA turn text prompts into images. A plain-English guide to the technology behind...
读 · 7 minHow AI Video Generation Works
How AI creates videos from text: motion diffusion, avatar synthesis, lip sync, and deepfake detection explained in...
读 · 6 minAI Coding Assistants: How They Work and Which to Choose
A practical guide to AI coding assistants: how autocomplete, code generation, and AI pair programming work — plus...
读 · 8 minAI SEO Tools: How They Work and What They Can Do
How AI-powered SEO tools use machine learning to analyze keywords, optimize content, and build links. Plus how to...
读 · 7 minHow AI Translation Works: Neural MT Explained
How neural machine translation (NMT) works, why modern AI translation is so much better, and when to use DeepL,...
读 · 6 minAI Video Editing: How It Works and Best Tools
How AI is automating video editing: auto-cut, captions, background removal, voice cloning, and avatar generation....
读 · 7 minHow Large Language Models Are Trained (Plain English)
How LLMs like GPT-4 and Claude are trained: pre-training on internet text, instruction fine-tuning, RLHF, and what...
读 · 8 minMultimodal AI Explained: Text, Images, Audio, and Video Together
What multimodal AI is, how models like GPT-4o and Gemini process images, audio, and video alongside text, and what...
读 · 7 min在线课程
通过结构化课程学习 AI
精选课程 — 从免费基础到实践工具培训，按主题分组。
免费 — 从这里开始
从零开始理解 AI 的最佳免费资源，无需任何基础。
免费国际课程：了解 AI 是什么、如何工作及其对社会的影响，无需数学或编码。
查看课程DeepLearning.AI 免费课程：生成式 AI 的工作原理和在工作流中使用 ChatGPT、Midjourney 和 Claude。
查看课程DeepLearning.AI 和 OpenAI 免费短期课程：LLM 的最佳实践提示工程，如 ChatGPT 和 Claude。
查看课程AI 聊天机器人与助手
ChatGPT、Claude、Gemini、Perplexity 等 AI 助手课程。
AI 图像生成
Midjourney、Stable Diffusion、DALL·E 等图像 AI 工具。
免费介绍Stable Diffusion的基础知识
查看课程AI 视频与语音
ElevenLabs、HeyGen、Runway、Sora 等视频和语音 AI 工具。
ElevenLabs 官方文档：语音克隆，语音合成，API 参考和步骤指南
查看课程AI 编程
Cursor、GitHub Copilot、Claude Code、Replit 和 v0。
官方微软学习路径：在VS Code、CLI和拉取请求中使用GitHub Copilot
查看课程AI SEO 与内容
Surfer SEO、Jasper、Frase、Ahrefs 等内容和 SEO 工具。
设计与生产力
Canva AI、Figma AI、Notion AI、Otter.ai 和 Descript。
商业战略与领导力
MIT Sloan、Reforge、Udacity 和 Section — 适合在组织层面实施 AI 的高管和经理。
数据科学与 AI 工程
纳米学位、职业路径和训练营，适合数据科学家和 ML 工程师。
DataCamp 职业轨道：从 Python 基础到生产 ML 模型，包括监督、无监督和深度学习。
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