1
Your First GPT-5.6 API Call
Set up the OpenAI Python SDK, verify your account has the gpt-5.6 models, and make your first Responses API calls with reasoning effort and streaming.
Start lessonAPI & Developer Integration
Build on GPT-5.6 through the Responses API — first calls with the Python SDK, programmatic tool calling and multi-agent orchestration, and cost engineering with explicit prompt caching.
Lessons in this module
Follow the lessons sequentially for best understanding
2
Programmatic Tool Calling & Multi-Agent Orchestration
Give GPT-5.6 tools it can call efficiently, understand what programmatic tool calling changes, and orchestrate concurrent subagents with the Responses API beta.
Start lesson3
Prompt Caching & Cost Engineering
Use GPT-5.6's explicit prompt-caching controls, understand long-context pricing thresholds, and build tier routing that cuts API bills by half or more.
Start lessonKey skills
What you'll master in this module
Practical knowledge
Gain practical experience you can apply immediately
Expertise
Develop deeper domain expertise
Communication
Learn to communicate your knowledge effectively
Documentation
Create your own notes and documentation
Problem analysis
Learn systematic approaches to complex problems
Optimization
Optimize for performance and efficiency
Tips for success
How to get the most out of this module
1
Proceed step by step
Don't move on until you fully understand the previous lesson
2
Practice regularly
Spend daily time on the practical lesson exercises
3
Take notes
Write down key insights and your own thoughts
4
Ask questions
If something is unclear, ask the community for help
5
Test knowledge
Validate learning with exercises and quizzes
6
Share insights
Teach concepts to others to reinforce retention