diff --git a/discord/ext/commands/bot.py b/discord/ext/commands/bot.py
index b4da6100..a113dc07 100644
--- a/discord/ext/commands/bot.py
+++ b/discord/ext/commands/bot.py
@@ -1075,7 +1075,7 @@ class Bot(BotBase, discord.Client):
             when passing an empty string, it should always be last as no prefix
             after it will be matched.
     case_insensitive: :class:`bool`
-        Whether the commands should be case insensitive. Defaults to ``False``. This
+        Whether the commands should be case insensitive. Defaults to ``True``. This
         attribute does not carry over to groups. You must set it to every group if
         you require group commands to be case insensitive as well.
     description: :class:`str`
diff --git a/discord/ext/commands/core.py b/discord/ext/commands/core.py
index 35b7e840..f122e9ad 100644
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@@ -1135,10 +1135,10 @@ class GroupMixin(Generic[CogT]):
         A mapping of command name to :class:`.Command`
         objects.
     case_insensitive: :class:`bool`
-        Whether the commands should be case insensitive. Defaults to ``False``.
+        Whether the commands should be case insensitive. Defaults to ``True``.
     """
     def __init__(self, *args: Any, **kwargs: Any) -> None:
-        case_insensitive = kwargs.get('case_insensitive', False)
+        case_insensitive = kwargs.get('case_insensitive', True)
         self.all_commands: Dict[str, Command[CogT, Any, Any]] = _CaseInsensitiveDict() if case_insensitive else {}
         self.case_insensitive: bool = case_insensitive
         super().__init__(*args, **kwargs)