diff --git a/terraform/litellm/aws/config/prod/terraform.tfvars b/terraform/litellm/aws/config/prod/terraform.tfvars
index f4538935535c..54653f61aa3d 100644
--- a/terraform/litellm/aws/config/prod/terraform.tfvars
+++ b/terraform/litellm/aws/config/prod/terraform.tfvars
@@ -19,6 +19,13 @@ db_engine_version = "16.11"
 # ---------- proxy_config (mirrors helm gateway.config.proxy_config) ----------
 proxy_config = {
   model_list = [
+    {
+      model_name = "gpt-5.5"
+      litellm_params = {
+        model   = "openai/gpt-5.5"
+        api_key = "os.environ/OPENAI_API_KEY"
+      }
+    },
     {
       model_name = "gpt-5.6-terra"
       litellm_params = {