diff --git a/dev_config.yaml b/dev_config.yaml
new file mode 100644
index 00000000000..ca5733f740a
--- /dev/null
+++ b/dev_config.yaml
@@ -0,0 +1,13 @@
+model_list:
+  - model_name: fake-openai
+    litellm_params:
+      model: openai/fake
+      api_key: fake-key
+      api_base: https://exampleopenaiendpoint-production.up.railway.app/v1
+  - model_name: gpt-4o
+    litellm_params:
+      model: openai/gpt-4o
+      api_key: os.environ/OPENAI_API_KEY
+
+general_settings:
+  master_key: sk-1234