diff --git a/waspc/src/Wasp/AI/GenerateNewProject/Common.hs b/waspc/src/Wasp/AI/GenerateNewProject/Common.hs
index fefb61d61..9e7d8fe5f 100644
--- a/waspc/src/Wasp/AI/GenerateNewProject/Common.hs
+++ b/waspc/src/Wasp/AI/GenerateNewProject/Common.hs
@@ -33,7 +33,8 @@ data NewProjectConfig = NewProjectConfig
   { projectAuth :: !(Maybe AuthProvider),
     -- One of the Tailwind color names: https://tailwindcss.com/docs/customizing-colors
     projectPrimaryColor :: !(Maybe String),
-    projectDefaultGptModel :: !(Maybe GPT.Model)
+    projectDefaultGptModel :: !(Maybe GPT.Model),
+    projectDefaultGptTemperature :: !(Maybe Float)
   }
   deriving (Show)
 
@@ -42,11 +43,13 @@ instance Aeson.FromJSON NewProjectConfig where
     auth <- obj .:? "auth"
     primaryColor <- obj .:? "primaryColor"
     defaultGptModel <- obj .:? "defaultGptModel"
+    defaultGptTemperature <- obj .:? "defaultGptTemperature"
     return
       ( NewProjectConfig
           { projectAuth = auth,
             projectPrimaryColor = primaryColor,
-            projectDefaultGptModel = defaultGptModel
+            projectDefaultGptModel = defaultGptModel,
+            projectDefaultGptTemperature = defaultGptTemperature
           }
       )
 
@@ -55,7 +58,8 @@ emptyNewProjectConfig =
   NewProjectConfig
     { projectAuth = Nothing,
       projectPrimaryColor = Nothing,
-      projectDefaultGptModel = Nothing
+      projectDefaultGptModel = Nothing,
+      projectDefaultGptTemperature = Nothing
     }
 
 getProjectAuth :: NewProjectDetails -> AuthProvider
@@ -133,7 +137,7 @@ defaultChatGPTParams :: NewProjectDetails -> ChatGPTParams
 defaultChatGPTParams projectDetails =
   GPT.ChatGPTParams
     { GPT._model = fromMaybe GPT.GPT_3_5_turbo_16k (projectDefaultGptModel $ _projectConfig projectDetails),
-      GPT._temperature = Just 0.7
+      GPT._temperature = Just $ fromMaybe 0.7 (projectDefaultGptTemperature $ _projectConfig projectDetails)
     }
 
 defaultChatGPTParamsForFixing :: NewProjectDetails -> ChatGPTParams