diff --git a/home.nix b/home.nix
index 0749112..cfebde7 100644
--- a/home.nix
+++ b/home.nix
@@ -863,6 +863,7 @@ in
     "$schema" = "https://opencode.ai/config.json";
     autoupdate = false;
     model = "openai/gpt-5.4-fast";
+    small_model = "openai/gpt-5.4-mini-fast";
     provider.openai.models."gpt-5.4-fast".options = {
       reasoningEffort = "xhigh";
     };