Sources
Official provider APIs and pricing pages are preferred. The first automated catalog is sourced from the public OpenRouter model API; additional providers can be added through controlled imports.
Normalization
Token prices are stored as micro-US-dollars per one million tokens. Integer arithmetic avoids rounding errors, while input, output, cache and request prices remain separate.
Changes and freshness
The worker checks the catalog regularly. A new record is only created for a changed price fingerprint. Watchlist notifications respect each watch's chosen percentage threshold.