diff --git a/manifests/dot-ai-stack/values.yaml b/manifests/dot-ai-stack/values.yaml
index 0395fdf..c7efb7b 100644
--- a/manifests/dot-ai-stack/values.yaml
+++ b/manifests/dot-ai-stack/values.yaml
@@ -4,7 +4,7 @@ dot-ai:
 
   ai:
     provider: openai
-    model: "gpt-4o"  # Specify the OpenAI model to use
+    model: "gpt-5.1"  # Using GPT-5.1 from your available models
 
   secrets:
     auth: