diff --git a/pkg/providers/error_classifier.go b/pkg/providers/error_classifier.go
index 96fa8675b..bc6aaee50 100644
--- a/pkg/providers/error_classifier.go
+++ b/pkg/providers/error_classifier.go
@@ -175,6 +175,8 @@ func classifyByStatus(status int) FailoverReason {
 		return FailoverAuth
 	case status == 402:
 		return FailoverBilling
+	case status == 404:
+		return FailoverModel // Model not found
 	case status == 408:
 		return FailoverTimeout
 	case status == 429: