diff --git a/demos/use_cases/preference_based_routing/hurl_tests/simple_stream.hurl b/demos/use_cases/preference_based_routing/hurl_tests/simple_stream.hurl
index 4b6d2e77..0da280ee 100644
--- a/demos/use_cases/preference_based_routing/hurl_tests/simple_stream.hurl
+++ b/demos/use_cases/preference_based_routing/hurl_tests/simple_stream.hurl
@@ -14,4 +14,4 @@ Content-Type: application/json
 HTTP 200
 [Asserts]
 header "content-type" matches /text\/event-stream/
-body matches /^data: .*?gpt-4o.*?\n/
+body matches /^data: .*?gpt-4.1*?\n/