[Free Special Lecture] Is “65% Token Savings” Real? — We Tested the Viral Caveman Skill Ourselves with the Same Questions

Before installing the caveman skill that has earned over 110,000 stars with its “65% token reduction” claim, I tested it myself. I ran the same questions 156 times in Claude Code under four conditions—default, “Answer concisely,” caveman, and ultracave—and used a script to count output tokens and correct answers. In under 10 minutes, I’ll show you how to measure fairly and share a free measurement kit you can use with your own questions.