diff --git a/api/app/clients/OpenAIClient.js b/api/app/clients/OpenAIClient.js
index e4c12ee58..d2762ca1d 100644
--- a/api/app/clients/OpenAIClient.js
+++ b/api/app/clients/OpenAIClient.js
@@ -842,27 +842,27 @@ class OpenAIClient extends BaseClient {
     }
 
     const titleChatCompletion = async () => {
-      modelOptions.model = model;
+      try {
+        modelOptions.model = model;
 
-      if (this.azure) {
-        modelOptions.model = process.env.AZURE_OPENAI_DEFAULT_MODEL ?? modelOptions.model;
-        this.azureEndpoint = genAzureChatCompletion(this.azure, modelOptions.model, this);
-      }
+        if (this.azure) {
+          modelOptions.model = process.env.AZURE_OPENAI_DEFAULT_MODEL ?? modelOptions.model;
+          this.azureEndpoint = genAzureChatCompletion(this.azure, modelOptions.model, this);
+        }
 
-      const instructionsPayload = [
-        {
-          role: this.options.titleMessageRole ?? (this.isOllama ? 'user' : 'system'),
-          content: `Please generate ${titleInstruction}
+        const instructionsPayload = [
+          {
+            role: this.options.titleMessageRole ?? (this.isOllama ? 'user' : 'system'),
+            content: `Please generate ${titleInstruction}
 
 ${convo}
 
 ||>Title:`,
-        },
-      ];
+          },
+        ];
 
-      const promptTokens = this.getTokenCountForMessage(instructionsPayload[0]);
+        const promptTokens = this.getTokenCountForMessage(instructionsPayload[0]);
 
-      try {
         let useChatCompletion = true;
 
         if (this.options.reverseProxyUrl === CohereConstants.API_URL) {
diff --git a/api/server/services/Runs/StreamRunManager.js b/api/server/services/Runs/StreamRunManager.js
index 951818bb6..ab1217939 100644
--- a/api/server/services/Runs/StreamRunManager.js
+++ b/api/server/services/Runs/StreamRunManager.js
@@ -329,7 +329,7 @@ class StreamRunManager {
           }
         } else if (typeof delta[key] === 'string' && typeof data[key] === 'string') {
           // Concatenate strings
-          data[key] += delta[key];
+          // data[key] += delta[key];
         } else if (
           typeof delta[key] === 'object' &&
           delta[key] !== null &&
diff --git a/client/src/data-provider/Files/mutations.ts b/client/src/data-provider/Files/mutations.ts
index b46e43544..5cdd22651 100644
--- a/client/src/data-provider/Files/mutations.ts
+++ b/client/src/data-provider/Files/mutations.ts
@@ -1,6 +1,12 @@
 import { EToolResources } from 'librechat-data-provider';
 import { useMutation, useQueryClient } from '@tanstack/react-query';
-import { dataService, MutationKeys, QueryKeys, defaultOrderQuery } from 'librechat-data-provider';
+import {
+  QueryKeys,
+  dataService,
+  MutationKeys,
+  defaultOrderQuery,
+  isAssistantsEndpoint,
+} from 'librechat-data-provider';
 import type * as t from 'librechat-data-provider';
 import type { UseMutationResult } from '@tanstack/react-query';
 
@@ -27,8 +33,12 @@ export const useUploadFileMutation = (
       const width = body.get('width') ?? '';
       const height = body.get('height') ?? '';
       const version = body.get('version') ?? '';
+      const endpoint = (body.get('endpoint') ?? '') as string;
+      if (isAssistantsEndpoint(endpoint) && version === '2') {
+        return dataService.uploadFile(body, signal);
+      }
 
-      if (width !== '' && height !== '' && (version !== '' || version.toString() !== '2')) {
+      if (width !== '' && height !== '') {
         return dataService.uploadImage(body, signal);
       }