Checkpoint — did the comparison stick?
You've finished the Comparison chapter. Take a minute to make sure the three-column thinking — Solo / Startup / Enterprise — actually stuck before moving on.
There are 12 questions in the bank — each visit picks 5 at random, so retaking gives you different ones. If you miss one, the result card tells you exactly which page section to revisit.
Comparison checkpoint
Pass to unlock the Next button belowWhat's next
→ Continue with Chapter 13: Decision Frameworks — the recurring choices (build vs buy, prompt vs RAG vs fine-tune, agent vs chain, closed vs open) that apply across all three columns.