# Ramp Economics Lab

**Source:** Ramp · **Published:** Sep 30, 2026 · **Format:** Newsletter · **Category:** Market data
**Measures:** Cost

A monthly Ramp AI Index update built from card and bill-pay data across 70,000+ US businesses, now splitting AI spend across subscriptions, coding agents, and tokens/APIs. Built entirely from Ramp's own customer base — sample-flag it the way this index flags any single-platform data source.

> Tracks AI spend across 70,000+ US businesses that use Ramp. — Ramp Economics Lab, 2026

**Useful for:** Building methodology

Source: https://econlab.substack.com/