ui allow ui or eu api base adding model (#9042)

litellm/proxy/proxy_config.yaml

@@ -10,18 +10,4 @@ model_list:
       api_key: os.environ/OPENAI_API_KEY_MODEL_2
       api_base: https://exampleopenaiendpoint-production.up.railway.app/
 
-general_settings:
-  key_management_system: "aws_secret_manager"
-  key_management_settings:
-    hosted_keys: [
-      "OPENAI_API_KEY_MODEL_1",
-      "OPENAI_API_KEY_MODEL_2",
-    ]
-    primary_secret_name: "litellm_secrets"
-  - model_name: bedrock/us.anthropic.claude-3-7-sonnet-20250219-v1:0
-    litellm_params:
-      model: bedrock/us.anthropic.claude-3-7-sonnet-20250219-v1:0
-      thinking: {"type": "enabled", "budget_tokens": 1024}
-      max_tokens: 1080
-      merge_reasoning_content_in_choices: true
 

ui/litellm-dashboard/src/components/add_model/provider_specific_fields.tsx

@@ -24,9 +24,21 @@ const ProviderSpecificFields: React.FC<ProviderSpecificFieldsProps> = ({
   return (
     <>
       {selectedProviderEnum === Providers.OpenAI && (
-        <Form.Item label="OpenAI Organization ID" name="organization">
-          <TextInput placeholder="[OPTIONAL] my-unique-org" />
-        </Form.Item>
+        <>
+          <Form.Item
+            label="API Base"
+            name="api_base"
+          >
+            <Select placeholder="Select API Base" defaultValue="https://api.openai.com/v1">
+              <Select.Option value="https://api.openai.com/v1">https://api.openai.com/v1</Select.Option>
+              <Select.Option value="https://eu.api.openai.com">https://eu.api.openai.com</Select.Option>
+            </Select>
+          </Form.Item>
+          
+          <Form.Item label="OpenAI Organization ID" name="organization">
+            <TextInput placeholder="[OPTIONAL] my-unique-org" />
+          </Form.Item>
+        </>
       )}
 
       {selectedProviderEnum === Providers.Vertex_AI && (