diff --git a/config.json b/config.json
index 841b5a2..9eee4e8 100644
--- a/config.json
+++ b/config.json
@@ -1,14 +1,14 @@
 {
   "bot": {
     "name": "Echo",
-    "default_model": "opus",
+    "default_model": "sonnet",
     "owner": "949388626146517022",
     "admins": ["5040014994"]
   },
   "channels": {
     "echo-core": {
       "id": "1471916752119009432",
-      "default_model": "opus"
+      "default_model": "sonnet"
     }
   },
   "telegram_channels": {},
@@ -21,7 +21,7 @@
   "whatsapp_channels": {
     "echo-test": {
       "id": "120363424350922235@g.us",
-      "default_model": "opus"
+      "default_model": "sonnet"
     }
   },
   "heartbeat": {