diff --git a/src/main/java/com/devkor/ifive/nadab/domain/weeklyreport/core/infra/WeeklyReportLlmClient.java b/src/main/java/com/devkor/ifive/nadab/domain/weeklyreport/core/infra/WeeklyReportLlmClient.java
index d640983..fd53a51 100644
--- a/src/main/java/com/devkor/ifive/nadab/domain/weeklyreport/core/infra/WeeklyReportLlmClient.java
+++ b/src/main/java/com/devkor/ifive/nadab/domain/weeklyreport/core/infra/WeeklyReportLlmClient.java
@@ -34,7 +34,7 @@ public AiWeeklyReportResultDto generate(String weekStartDate, String weekEndDate
 
         OpenAiChatOptions options = OpenAiChatOptions.builder()
                 .model(OpenAiApi.ChatModel.GPT_5_MINI)
-                .reasoningEffort("medium")
+                .reasoningEffort("low")
                 .temperature(1.0)
                 .build();