diff --git a/components/ai_chat/core/common/features.cc b/components/ai_chat/core/common/features.cc
index fd7a18b2d532..2530f811a7ce 100644
--- a/components/ai_chat/core/common/features.cc
+++ b/components/ai_chat/core/common/features.cc
@@ -37,7 +37,11 @@ bool IsAIChatEnabled() {
 
 BASE_FEATURE(kAIChatHistory,
              "AIChatHistory",
+#if BUILDFLAG(IS_IOS)
              base::FEATURE_DISABLED_BY_DEFAULT);
+#else
+             base::FEATURE_ENABLED_BY_DEFAULT);
+#endif
 
 bool IsAIChatHistoryEnabled() {
   return base::FeatureList::IsEnabled(features::kAIChatHistory);