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{ "name": "The Nesyona Effective-Price Index 2026 (AI Consumer Shrinkflation)", "description": "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...
[ { "tool": "Claude Pro", "list_price_usd_per_month": 20, "tokenizer_inflation_factor": "1.0-1.35x", "effective_dollars_per_task_jan_2026": 0.067, "effective_dollars_per_task_jun_2026": 0.085, "change": "+27% max (12-27% cost impact; +32-47% more tokens)", "sources": [ "OpenRouter", ...
[ "Claude Pro's effective cost per task rose approximately 20-27% in 2026 with no list-price change, driven by Opus 4.7 tokenizer inflation (April 2026): the same prompt now generates 12-47% more tokens.", "ChatGPT Plus list price held at $20/mo but effective value eroded ~8% via Feb 2026 free-tier ad-degradation a...