Methodology · ii-v1.0

How the Inference Index is calculated

We publish a family of indices so teams can track the market with one headline number, while still seeing what moved: intelligence, cost, or value.

Inference Index

100.00

7d: 0.00%

Current component values

Intelligence Index: 1353.2

Cost Index: $7.253

Value Index: 186.57

Universe: models with both benchmark intelligence (LMSYS ELO) and live provider pricing.

Basket: top 10 models by intelligence score each day.

Cost Index (II-C): average blended price of the basket, with 0.7 input / 0.3 output weighting.

Intelligence Index (II-I): average LMSYS ELO of the basket.

Value Index (II-V): II-I / II-C (intelligence per dollar).

Headline Inference Index (II-X): weighted blend of normalized intelligence, cost efficiency, and value. Base = 100 at series start.

Citation format

Inference Index (ii-v1.0), inferenceindex.ai, accessed 2026-06-13.
Headline II-X: 100.00
II-I: 1353.2 · II-C: $7.253 · II-V: 186.57

Programmatic endpoints: /api/index, /api/snapshot, /api/trends.