Streaming transcription now honours the provider and language a request asks for

Status: available. GET /v1/transcribe/stream ignored X-Speko-Allow, X-Speko-Deny, X-Speko-Language, the objective, the price cap and the key’s own provider order. Every request was served by whichever stream-capable provider ranked first, so four of the five provider families that implement streaming transcription were unreachable.