AxAppliedServiceTier

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

Defined in: https://github.com/ax-llm/ax/blob/e690b4823b8309e258594064abe941d4cff6ef89/src/ax/ai/types.ts#L32

Normalized service tier that actually handled a request.