diff --git a/flexus_client_kit/manifest_schema.json b/flexus_client_kit/manifest_schema.json
index 50c18eb2..037ca4e0 100644
--- a/flexus_client_kit/manifest_schema.json
+++ b/flexus_client_kit/manifest_schema.json
@@ -13,7 +13,6 @@
         "integrations",
         "featured_actions",
         "intro_message",
-        "preferred_model_default",
         "daily_budget_default",
         "default_inbox_default",
         "tags"
@@ -91,8 +90,18 @@
         },
         "preferred_model_default": {
             "type": "string",
-            "title": "Preferred Model",
-            "description": "Default LLM model used for this bot's chat completions. Example: 'grok-4-1-fast-non-reasoning', 'grok-4-1-fast-reasoning'."
+            "title": "Preferred Model (legacy)",
+            "description": "Legacy single-model field. Use preferred_model_expensive + preferred_model_cheap instead. Example: 'grok-4-1-fast-non-reasoning'."
+        },
+        "preferred_model_expensive": {
+            "type": "string",
+            "title": "Preferred Expensive Model",
+            "description": "LLM model used for expensive (deep reasoning) tasks. Example: 'grok-4-1-fast-reasoning'."
+        },
+        "preferred_model_cheap": {
+            "type": "string",
+            "title": "Preferred Cheap Model",
+            "description": "LLM model used for fast/cheap tasks. Example: 'grok-4-1-fast-non-reasoning'."
         },
         "daily_budget_default": {
             "type": "integer",
diff --git a/flexus_client_kit/no_special_code_bot.py b/flexus_client_kit/no_special_code_bot.py
index 11f32883..4c7753b4 100644
--- a/flexus_client_kit/no_special_code_bot.py
+++ b/flexus_client_kit/no_special_code_bot.py
@@ -74,8 +74,8 @@ async def install_from_manifest(m, setup_schema, bot_dir, client, bot_name, bot_
         marketable_setup_default=setup_schema,
         marketable_featured_actions=featured,
         marketable_intro_message=m["intro_message"],
-        marketable_preferred_model_expensive=m["preferred_model_expensive"],
-        marketable_preferred_model_cheap=m["preferred_model_cheap"],
+        marketable_preferred_model_expensive=m.get("preferred_model_expensive", m.get("preferred_model_default", "")),
+        marketable_preferred_model_cheap=m.get("preferred_model_cheap", m.get("preferred_model_default", "")),
         marketable_daily_budget_default=m["daily_budget_default"],
         marketable_default_inbox_default=m["default_inbox_default"],
         marketable_experts=[(name, exp.filter_tools(tools)) for name, exp in experts],