metadata dict | data list | keyFindings list |
|---|---|---|
{
"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... |
The Nesyona Effective-Price Index 2026 (AI consumer shrinkflation)
First-party research dataset from the Lattice network, published open under CC-BY 4.0 with a permanent DOI. Nothing here is scraped from another dataset — it is computed and published under a single ORCID-verified byline.
| DOI | 10.5281/zenodo.20675138 |
| Published by | Nesyona (nesyona.com) |
| Study page | https://nesyona.com/research/real-ai-price-shrinkflation-index-2026/ |
| Licence | CC-BY 4.0 — reuse freely with attribution |
| Publication date | 2026-05-09 |
What it is
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.
Citation
@dataset{real_ai_price_shrinkflation_index_2026,
title = {The Nesyona Effective-Price Index 2026 (AI consumer shrinkflation)},
author = {Couey, Vincent Wesley},
year = {2026},
doi = {10.5281/zenodo.20675138},
url = {https://doi.org/10.5281/zenodo.20675138}
}
Provenance
Part of the Lattice open research index — every study is CC-BY, DOI-backed and published under one byline. The full index: https://www.deepsynthesis.org/#research
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