diff --git a/src/graph/nodes.py b/src/graph/nodes.py
index 7c4a625..5fa574e 100644
--- a/src/graph/nodes.py
+++ b/src/graph/nodes.py
@@ -101,8 +101,10 @@ def planner_node(
             }
         ]
 
-    if AGENT_LLM_MAP["planner"] == "basic" and not configurable.enable_deep_thinking:
-        llm = get_llm_by_type(AGENT_LLM_MAP["planner"]).with_structured_output(
+    if configurable.enable_deep_thinking:
+        llm = get_llm_by_type("reasoning")
+    elif AGENT_LLM_MAP["planner"] == "basic":
+        llm = get_llm_by_type("basic").with_structured_output(
             Plan,
             method="json_mode",
         )