diff --git a/react/src/components/lablupTalkativotUI/ChatUIModal.tsx b/react/src/components/lablupTalkativotUI/ChatUIModal.tsx
index 48d897b60..154aad9c6 100644
--- a/react/src/components/lablupTalkativotUI/ChatUIModal.tsx
+++ b/react/src/components/lablupTalkativotUI/ChatUIModal.tsx
@@ -71,6 +71,7 @@ const EndpointChatContent: React.FC<ChatUIBasicProps> = ({
     graphql`
       fragment ChatUIModalFragment on Endpoint {
         endpoint_id
+        name
         url
         status
       }
@@ -90,6 +91,7 @@ const EndpointChatContent: React.FC<ChatUIBasicProps> = ({
     `,
     endpointTokenFrgmt,
   );
+  const isTextToImageModel = _.includes(endpoint?.name, 'stable-diffusion');
 
   const newestToken = _.maxBy(
     endpointTokenList?.items,
@@ -124,7 +126,12 @@ const EndpointChatContent: React.FC<ChatUIBasicProps> = ({
   ) : (
     <LLMChatCard
       endpointId={endpoint?.endpoint_id || ''}
-      baseURL={new URL(basePath, endpoint?.url || '').toString()}
+      baseURL={
+        isTextToImageModel
+          ? new URL('/generate-image', endpoint?.url || '').toString()
+          : new URL(basePath, endpoint?.url || '').toString()
+      }
+      isImageGeneration={isTextToImageModel}
       models={_.map(modelsResult?.data, (m) => ({
         id: m.id,
         name: m.id,
@@ -133,6 +140,7 @@ const EndpointChatContent: React.FC<ChatUIBasicProps> = ({
       style={{ flex: 1 }}
       allowCustomModel={_.isEmpty(modelsResult?.data)}
       alert={
+        !isTextToImageModel &&
         _.isEmpty(modelsResult?.data) && (
           <Alert
             type="warning"
diff --git a/react/src/components/lablupTalkativotUI/LLMChatCard.tsx b/react/src/components/lablupTalkativotUI/LLMChatCard.tsx
index a8a208b91..81784c5fa 100644
--- a/react/src/components/lablupTalkativotUI/LLMChatCard.tsx
+++ b/react/src/components/lablupTalkativotUI/LLMChatCard.tsx
@@ -230,7 +230,7 @@ const LLMChatCard: React.FC<LLMChatCardProps> = ({
     setLoadingImageGeneration(true);
     try {
       const response = await fetch(
-        'https://stable-diffusion-3m.asia03.app.backend.ai/generate-image',
+        customModelFormRef.current?.getFieldValue('baseURL'),
         {
           method: 'POST',
           headers: {
@@ -414,8 +414,8 @@ const LLMChatCard: React.FC<LLMChatCardProps> = ({
               });
 
               if (isImageGeneration) {
+                const generationId = _.uniqueId();
                 try {
-                  const imageBase64 = await generateImage(input, 'accessKey');
                   setMessages((prevMessages) => [
                     ...prevMessages,
                     {
@@ -424,7 +424,20 @@ const LLMChatCard: React.FC<LLMChatCardProps> = ({
                       content: input,
                     },
                     {
-                      id: _.uniqueId(),
+                      id: generationId,
+                      role: 'assistant',
+                      content: 'Processing...',
+                    },
+                  ]);
+                  setInput('');
+                  const imageBase64 = await generateImage(input, 'accessKey');
+                  setMessages((prevMessages) => [
+                    ..._.filter(
+                      prevMessages,
+                      (message) => message.id !== generationId,
+                    ),
+                    {
+                      id: generationId,
                       role: 'assistant',
                       content: '',
                       experimental_attachments: [
@@ -510,6 +523,7 @@ const LLMChatCard: React.FC<LLMChatCardProps> = ({
                 required: true,
               },
             ]}
+            hidden={isImageGeneration}
           >
             <Input placeholder="llm-model" />
           </Form.Item>