diff --git a/demos/use_cases/preference_based_routing/arch_config.yaml b/demos/use_cases/preference_based_routing/arch_config.yaml
index e46c3684..5aec4346 100644
--- a/demos/use_cases/preference_based_routing/arch_config.yaml
+++ b/demos/use_cases/preference_based_routing/arch_config.yaml
@@ -30,7 +30,7 @@ llm_providers:
 
   - name: code_generation
     access_key: $OPENAI_API_KEY
-    provider_interface: claude
+    provider_interface: openai
     model: gpt-4.1
     usage: generating new code snippets, functions, or boilerplate based on user prompts or requirements