diff --git a/lib/pretextQueue.js b/lib/pretextQueue.js
index 9da291f..c1e486f 100644
--- a/lib/pretextQueue.js
+++ b/lib/pretextQueue.js
@@ -195,7 +195,7 @@ async function generatePretext(target, prompt) {
 
         // Send request to Claude API
         const response = await anthropicClient.messages.create({
-            model: "claude-3-opus-20240229",
+            model: "claude-sonnet-4-20250514",
             system: systemPrompt,
             messages: [{ role: "user", content: promptText }],
             temperature: 0.7,
@@ -280,4 +280,5 @@ module.exports = {
     queuePretextGeneration,
     queuePretextsForTargets,
     clearQueue,
-};
\ No newline at end of file
+
+};