# LLM Token Price Index

> Source: <https://tokenpriceindex.com>
> Published: 2026-06-13 22:28:33+00:00

# AI Token Price Index

Token Price Index (TPI) is a free, public index tracking the cost of AI inference over time. Updated weekly, the TPI publishes a single, methodologically transparent number for frontier AI pricing — giving analysts, engineers, and finance teams a shared reference point for what state-of-the-art AI actually costs.