AxAppliedServiceTier

type AxAppliedServiceTier = 
  | Exclude<AxServiceTier, "auto">
  | "batch";

Defined in: https://github.com/ax-llm/ax/blob/686f8ba96cf652e044cf922b67c16c8f09754a70/src/ax/ai/types.ts#L33

Normalized service tier that actually handled a request.