The Nesyona Effective-Price Index 2026 (AI Consumer Shrinkflation)

The first public computation of AI consumer effective price per task that accounts for tokenizer inflation and free-tier changes. Effective $/task across Claude Pro, ChatGPT Plus, and ChatGPT Pro for Jan 2026 vs Jun 2026, capturing list-price-flat 'shrinkflation' driven by the Opus 4.7 tokenizer (carried into Opus 4.8). Methodology and full sourcing at https://nesyona.com/research/real-ai-price-shrinkflation-index-2026/ . License CC-BY 4.0.