diff --git a/examples/gopher.yaml b/examples/gopher.yaml
index f0621efeb..7af096f82 100755
--- a/examples/gopher.yaml
+++ b/examples/gopher.yaml
@@ -3,7 +3,7 @@
 models:
   claude:
     provider: anthropic
-    model: claude-opus-4-5
+    model: claude-opus-4-6
   haiku:
     provider: anthropic
     model: claude-haiku-4-5
diff --git a/golang_developer.yaml b/golang_developer.yaml
index 0749a0b63..f5b0ace0c 100755
--- a/golang_developer.yaml
+++ b/golang_developer.yaml
@@ -35,7 +35,7 @@ metadata:
 models:
   opus:
     provider: anthropic
-    model: claude-opus-4-5
+    model: claude-opus-4-6
   sonnet:
     provider: anthropic
     model: claude-sonnet-4-5