Module 3 lessons ~1h

Introduction: What's New in GPT-5.6

Understand the GPT-5.6 generation — the Sol, Terra, and Luna tiers, what changed since GPT-5.5, and how to get access with the right settings.

Lessons in this module

Follow the lessons sequentially for best understanding

The release story, the new Sol/Terra/Luna naming system, and the headline capabilities of OpenAI's July 2026 generation.

A practical decision framework for the three GPT-5.6 tiers, with real API pricing, context limits, and the workloads each tier is built for.

Where GPT-5.6 shows up in ChatGPT plans, how reasoning effort works, and a structured first session to calibrate the model against your real work.

What you'll master in this module

Gain practical experience you can apply immediately

Develop deeper domain expertise

Learn to communicate your knowledge effectively

Create your own notes and documentation

Learn systematic approaches to complex problems

Optimize for performance and efficiency

How to get the most out of this module

Don't move on until you fully understand the previous lesson

Spend daily time on the practical lesson exercises

Write down key insights and your own thoughts

If something is unclear, ask the community for help

Validate learning with exercises and quizzes

Teach concepts to others to reinforce retention