Reaching 30 on the Intelligence Index reportedly costs 86x less per task than when first reached

ArtificialAnlys says its October 20, 2026, figures use measured v4.3.2 results and current prices, including for historical models. GPT-6 Luna (high) reaches an Intelligence Index score of 30 at $0.03 per task, versus $2.49 for Claude Sonnet 4.6, which first reached 30 in February 2026. It also reports that reaching 40 is 33x cheaper than about five months earlier, while the highest measured score rose from 21 to 58 in a year at about 11x the cost.