diff --git a/packages/opencode/src/agent/agent.ts b/packages/opencode/src/agent/agent.ts
index b247bb7fa257..90255501a55d 100644
--- a/packages/opencode/src/agent/agent.ts
+++ b/packages/opencode/src/agent/agent.ts
@@ -217,7 +217,7 @@ export namespace Agent {
           options: {},
           native: false,
         }
-      if (value.model) item.model = Provider.parseModel(value.model)
+      if (value.model && value.model !== "inherit") item.model = Provider.parseModel(value.model)
       item.variant = value.variant ?? item.variant
       item.prompt = value.prompt ?? item.prompt
       item.description = value.description ?? item.description