Open data & API
Take the data. It is free.
Every dataset is live, queryable, and yours to use, share, and cite under CC BY 4.0. Pull it as JSON or CSV from one open API, filter it in your browser below, or quote it in a paper. All we ask is a link back so others can find it too.
AI Cost Index
Blended price per million tokens for the Frontier and Budget baskets, over time.
Community AI usage
Anonymized daily aggregate of spend, tokens, and outcomes by provider, model, platform, and use case.
Query it live
Pick a dataset, set a filter, and run it. No key, no login. Copy the cURL or grab the CSV.
Preview shows the first 25 rows. JSON and CSV return everything.
Use the API
One base, three datasets, JSON or CSV. CORS is open, responses are cached, and everything is CC BY 4.0. No auth required for reads.
Discover
GET /api/v1/data GET /api/v1/data/schema
Datasets
GET /api/v1/data/cost-index?index=frontier&from=2026-01-01 GET /api/v1/data/community?dimension=provider GET /api/v1/data/models?provider=openai # add &format=csv for CSV
curl "https://mytokentracker.io/api/v1/data/cost-index?index=frontier&format=csv"
Embed the live index
Drop this badge on your site or README. It always shows the current value.
[](https://mytokentracker.io/cost-index)
How to cite
Copy a citation
Free to use and cite under CC BY 4.0. See how this is measured.
Champlin Enterprises. (2026). MyTokenTracker Open Data [Data set]. MyTokenTracker. Retrieved July 31, 2026, from https://mytokentracker.io/data
@misc{mytokentracker-open-data,
title = {MyTokenTracker Open Data},
author = {{Champlin Enterprises}},
year = {2026},
howpublished = {MyTokenTracker, \url{https://mytokentracker.io/data}},
note = {Accessed July 31, 2026. Licensed CC BY 4.0.},
url = {https://mytokentracker.io/data}
}
Need a fixed point in time? Every day’s data is permanently archived in the open-data repository, so you can cite a specific date by linking that day’s committed file.