Token Purchasing Index
TPX shows how much AI one US dollar can buy, measured in mTPD: million tokens per USD.
US Token Purchasing Index
0.16
TPXmTPD
24h 0.00%7d +1.58%30d +2.21%
Last updated May 18, 2026, 07:14 AM
China Token Purchasing Index
1.37
TPXmTPD
24h 0.00%7d +2.67%30d +4.99%
Last updated May 18, 2026, 07:14 AM
Global Token Purchasing Index
0.60
TPXmTPD
24h 0.00%7d +2.16%30d +3.40%
Last updated May 18, 2026, 07:14 AM
US TPX overview
TPX is weighted average million tokens per USD.
Same Basket, Different Question
TPX uses the same reviewed model baskets as TPI, then expresses the result as purchasing power. Constituents are selected for observable pricing, stable API availability, current mainline status, regional relevance, and source quality.