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AI Economics, Last year’s best model, today
×57 cheaper

A year ago the best AI model on sale, Grok 4, scored 87% on GPQA Diamond and cost $6.00 per 1M tokens. Today a model that scores as well costs $0.105.

Bar: the best GPQA Diamond score (Epoch AI) among models with a list price 365 days ago. Then: the cheapest blended price that day among models at or above the bar. Now: the cheapest blended price today among models at or above the same bar. Blended: 3 input to 1 output tokens.

Source: Epoch AI, OpenRouter, LiteLLM price map. As of 2026-10-25. Based on 77 data points.

See the data

What last year’s best model costs today

Cheapest blended price, per 1M tokens
How cheap does the best AI model get a year later?$0.01$1.00$10.00$100.00Sept 2023Oct 2024Oct 2025Oct 2026$4.00$0.105
  • As good as the best model of a year earlier
  • The best model on sale that day
Log scale: each gridline is a multiple of the one below.
Dark line: each day, the cheapest model scoring at least the best GPQA Diamond score (Epoch AI) of any model on sale that day. Blue line: the cheapest model scoring at least the best score of 365 days earlier. Each blue point shares its bar with the dark point a year before it. Blended: three input tokens per output token.
CSV

Quality data: LMArena (CC BY 4.0), Epoch AI (CC BY 4.0). Prices: OpenRouter, LiteLLM (MIT), provider pages. List prices in US dollars before discounts and taxes; other currencies converted at the European Central Bank reference rate. The figures on these pages are free to reuse under CC BY 4.0 with a link to this page.