feat: update model ratio

common/model-ratio.go

@@ -430,7 +430,7 @@ func GetAudioRatio(name string) float64 {
 
 func GetAudioCompletionRatio(name string) float64 {
 	if strings.HasPrefix(name, "gpt-4o-realtime") {
-		return 10
+		return 2
 	}
 	return 2
 }