4 Ways to Learn — Pick Yours
Compare Prompting Techniques
One task — different approaches. See how techniques change the AI response
Practice with Real Challenges
Not multiple-choice tests — you write real prompts and AI evaluates the result.
219 challenges · 9 topics · from basics to multimodal · points unlock new topics
15 Real Projects
Build something real, not just rack up points.
AI Teacher Assistant
You are developing an AI tool for a school. Teachers need an assistant that can explain any topic at the right level for the student — from simple language for 5th graders to academic terms for high school students.
Financial Analyst
A CFO needs an AI assistant that can analyze quarterly revenue data, detect anomalies with quantitative reasoning, suggest possible causes, and forecast future trends. The data contains intentional anomalies (like a sudden Q3 drop) that the AI must catch, explain with hypotheses, and account for in forecasts.
Legal Assistant
A legal tech startup needs an AI tool that can quickly review contracts and highlight potential risks. The tool should decompose the analysis into manageable steps and self-verify its conclusions.
Your Learning Path
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20 AI requests/mo, progress tracking, badges, XP and streaks
Full Path
1,000 AI requests/mo, all quizzes, 15 projects, 25 levels
Your Learning Path
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Next Lesson· Introduction
Llm Evolution
Why AI Skills Matter
Data from leading research organizations
Salary Premium
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Stanford
Demand Growth
Popular Lessons
Tokenization
How LLMs break text into tokens and why it matters
Embeddings
Vector word representations and semantic similarity
Transformers
The architecture behind modern language models
Chain-of-Thought
Step-by-step reasoning for complex tasks
Few-shot Prompting
Teaching by examples directly in the prompt
RAG
Answer generation augmented by external sources
AI Agents
Autonomous LLM-powered systems with tools
Summarization
Automatic text condensation while preserving meaning
Prompt Injection
Attacks on LLMs through prompt manipulation
Model Selection
How to choose the right LLM for your task