diff --git a/src/backend/src/modules/puterai/OpenAICompletionService.js b/src/backend/src/modules/puterai/OpenAICompletionService.js
index 282ce572f..13121ff48 100644
--- a/src/backend/src/modules/puterai/OpenAICompletionService.js
+++ b/src/backend/src/modules/puterai/OpenAICompletionService.js
@@ -138,6 +138,16 @@ class OpenAICompletionService extends BaseService {
                 },
                 max_tokens: 128000,
             },
+            {
+                id: 'gpt-5-chat-latest',
+                cost: {
+                    currency: 'usd-cents',
+                    tokens: 1_000_000,
+                    input: 125,
+                    output: 1000,
+                },
+                max_tokens: 128000,
+            },
             {
                 id: 'gpt-4o',
                 cost: {