A focused utility for the self-host question.

RunWhere starts with the 2026 default: stay on the hosted API unless your workload is one of the exceptions. It is directional by design: the answer is a boundary check and a regime, not a spreadsheet.

It is the third worked example in the Precomputed AI trilogy, following RightModel for ruleset compilation and CloudEstimate for scheduled generation.

The project has no accounts, no billing, and no persistence beyond stable shareable URLs.