diff --git a/ee/lib/api/ai/duo_workflows/workflows.rb b/ee/lib/api/ai/duo_workflows/workflows.rb
index 943635263355d6f75b6b1f34606c70b1bebb8fbe..4a72b4c63b03cdaa14c53b9fec4730e38112f380 100644
--- a/ee/lib/api/ai/duo_workflows/workflows.rb
+++ b/ee/lib/api/ai/duo_workflows/workflows.rb
@@ -200,7 +200,12 @@ def create_workflow_params
 
               headers = Gitlab::DuoWorkflow::Client.cloud_connector_headers(user: current_user).merge(
                 'x-gitlab-oauth-token' => gitlab_oauth_token.plaintext_token,
-                'x-gitlab-unidirectional-streaming' => 'enabled'
+                'x-gitlab-unidirectional-streaming' => 'enabled',
+                'x-gitlab-self-hosted-models-metadata' => {
+                  provider: :gitlab,
+                  family: :claude3,
+                  identifier: 'claude_sonnet_3_7_20250219'
+                }.to_json
               )
 
               {