diff --git a/packages/api/src/jobs/ai-summarize.ts b/packages/api/src/jobs/ai-summarize.ts
index 64cef703c..974a6b347 100644
--- a/packages/api/src/jobs/ai-summarize.ts
+++ b/packages/api/src/jobs/ai-summarize.ts
@@ -7,6 +7,7 @@ import { libraryItemRepository } from '../repository/library_item'
 import { htmlToMarkdown } from '../utils/parser'
 import { AISummary } from '../entity/AISummary'
 import { LibraryItemState } from '../entity/library_item'
+import { getAISummary } from '../services/ai-summaries'
 
 export interface AISummarizeJobData {
   userId: string
@@ -35,6 +36,19 @@ export const aiSummarize = async (jobData: AISummarizeJobData) => {
       return
     }
 
+    const existingSummary = await getAISummary({
+      userId: jobData.userId,
+      idx: 'latest',
+      libraryItemId: jobData.libraryItemId,
+    })
+
+    if (existingSummary) {
+      logger.info(
+        `Library item already has a summary: ${jobData.libraryItemId}`
+      )
+      return
+    }
+
     const llm = new ChatOpenAI({
       configuration: {
         apiKey: process.env.OPENAI_API_KEY,