diff --git a/lib/client.js b/lib/client.js
index be37288..767407d 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -546,7 +546,7 @@ export class RealtimeClient extends RealtimeEventHandler {
    * @param {Array<InputTextContentType|InputAudioContentType>} content
    * @returns {true}
    */
-  sendUserMessageContent(content = []) {
+  sendUserMessageContent(content = [], createResponse = true) {
     if (content.length) {
       for (const c of content) {
         if (c.type === 'input_audio') {
@@ -563,7 +563,25 @@ export class RealtimeClient extends RealtimeEventHandler {
         },
       });
     }
-    this.createResponse();
+    createResponse && this.createResponse();
+    return true;
+  }
+
+  /**
+   * Sends assistant message content
+   * @param {Array<InputTextContentType>} content
+   * @returns {true}
+   */
+  sendAssistantMessageContent(content = []) {
+    if (content.length) {
+      this.realtime.send('conversation.item.create', {
+        item: {
+          type: 'message',
+          role: 'assistant',
+          content,
+        },
+      });
+    }
     return true;
   }