Open data, no API key.
Read-only JSON and CSV endpoints with pagination, filtering, sorting, provenance, and cache headers.
List models
GET /api/v1/models?q=claude&provider=Anthropic&modality=Text&sort=release&page=1&limit=50
Filters: q, provider, modality, context, max_price. Sorts: release, benchmark-coverage, updated, name, context, input-price, output-price. Rank a compatible result with benchmark=Name|Version.
Single model
GET /api/v1/models/{provider}/{model}Data freshness
GET /api/v1/freshness
CSV export
GET /api/v1/export.csv
Apply fair-use rate limiting at the CDN or reverse proxy. Preserve ModelBench attribution and original source URLs.