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OverviewLevel 0Environment & FoundationsLevel 1LLM Fundamentals & APIsLevel 2Building Simple GenAI ApplicationsLevel 3RAG Systems & Intelligent AgentsLevel 4Production Systems & DeploymentLevel 5Advanced GenAI TechniquesLevel 6Choose Your Specialization Path
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Level 2 in progress

HomeRoadmapLevel 1
1

LLM Fundamentals & APIs

Understand how LLMs work and start building with OpenAI/Anthropic APIs.

⏱️
Duration
1-2 weeks
📊
Difficulty
Beginner
✓
Checkpoints
4
⚡
Est. Hours
15h

Learning Outcomes

  • Understand transformer architecture basics
  • Master prompt engineering patterns
  • Build scripts that call LLM APIs
  • Manage API costs and tokens effectively
  • Handle errors gracefully

Topics to Master

•How LLMs work internally
•Tokenization and context windows
•Prompt engineering techniques
•Temperature and sampling parameters
•Using OpenAI ChatGPT API
•Using Claude API
•Cost optimization and rate limits
•Error handling and retries

Featured Projects

Prompt Engineering Fundamentals

Complete

Learn prompt engineering techniques and create effective prompts for different tasks.

BeginnerLevel 1
#prompting#llm#techniques

Build an LLM CLI Application

Complete

Create a command-line application that interacts with ChatGPT or Claude APIs.

BeginnerLevel 1
#api#cli#llm

LLM API Wrapper Library

Complete

Build a library that simplifies interactions with multiple LLM APIs.

IntermediateLevel 1
#library#api#abstraction

Checkpoints & Milestones

This level includes 4 structured checkpoints with hands-on tasks, validation criteria, and portfolio pieces. Complete these to solidify your understanding.

View Checkpoints →
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Level 0: Environment & Foundations
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Level 2: Building Simple GenAI Applications