diff --git a/browser/ai_chat/ai_chat_browsertests.cc b/browser/ai_chat/ai_chat_browsertests.cc
index 83df01665bd..f7b43f49065 100644
--- a/browser/ai_chat/ai_chat_browsertests.cc
+++ b/browser/ai_chat/ai_chat_browsertests.cc
@@ -20,9 +20,9 @@
 
 namespace ai_chat {
 
-class AiChatBrowserTest : public InProcessBrowserTest {
+class AIChatBrowserTest : public InProcessBrowserTest {
  public:
-  AiChatBrowserTest() = default;
+  AIChatBrowserTest() = default;
 
   void SetUpOnMainThread() override {
     base::FilePath test_data_dir =
@@ -81,7 +81,7 @@ class AiChatBrowserTest : public InProcessBrowserTest {
   net::EmbeddedTestServer https_server_{net::EmbeddedTestServer::TYPE_HTTPS};
 };
 
-IN_PROC_BROWSER_TEST_F(AiChatBrowserTest, YoutubeNavigations) {
+IN_PROC_BROWSER_TEST_F(AIChatBrowserTest, YoutubeNavigations) {
   const GURL url("https://www.youtube.com/youtube.html");
 
   ui_test_utils::NavigateToURLWithDisposition(
diff --git a/browser/ai_chat/ai_chat_throttle_unittest.cc b/browser/ai_chat/ai_chat_throttle_unittest.cc
index b6f25c41baa..cbbf01eebbe 100644
--- a/browser/ai_chat/ai_chat_throttle_unittest.cc
+++ b/browser/ai_chat/ai_chat_throttle_unittest.cc
@@ -27,13 +27,13 @@ constexpr char kTestProfileName[] = "TestProfile";
 
 }  // namespace
 
-class AiChatThrottleUnitTest : public testing::Test,
+class AIChatThrottleUnitTest : public testing::Test,
                                public ::testing::WithParamInterface<bool> {
  public:
-  AiChatThrottleUnitTest() = default;
-  AiChatThrottleUnitTest(const AiChatThrottleUnitTest&) = delete;
-  AiChatThrottleUnitTest& operator=(const AiChatThrottleUnitTest&) = delete;
-  ~AiChatThrottleUnitTest() override = default;
+  AIChatThrottleUnitTest() = default;
+  AIChatThrottleUnitTest(const AIChatThrottleUnitTest&) = delete;
+  AIChatThrottleUnitTest& operator=(const AIChatThrottleUnitTest&) = delete;
+  ~AIChatThrottleUnitTest() override = default;
 
   void SetUp() override {
     TestingBrowserProcess* browser_process = TestingBrowserProcess::GetGlobal();
@@ -68,13 +68,13 @@ class AiChatThrottleUnitTest : public testing::Test,
 
 INSTANTIATE_TEST_SUITE_P(
     ,
-    AiChatThrottleUnitTest,
+    AIChatThrottleUnitTest,
     ::testing::Bool(),
-    [](const testing::TestParamInfo<AiChatThrottleUnitTest::ParamType>& info) {
+    [](const testing::TestParamInfo<AIChatThrottleUnitTest::ParamType>& info) {
       return base::StrCat({"History", info.param ? "Enabled" : "Disabled"});
     });
 
-TEST_P(AiChatThrottleUnitTest, CancelNavigationFromTab) {
+TEST_P(AIChatThrottleUnitTest, CancelNavigationFromTab) {
   content::MockNavigationHandle test_handle(web_contents());
 
   test_handle.set_url(GURL(kAIChatUIURL));
@@ -85,8 +85,8 @@ TEST_P(AiChatThrottleUnitTest, CancelNavigationFromTab) {
 
   test_handle.set_page_transition(transition);
 
-  std::unique_ptr<AiChatThrottle> throttle =
-      AiChatThrottle::MaybeCreateThrottleFor(&test_handle);
+  std::unique_ptr<AIChatThrottle> throttle =
+      AIChatThrottle::MaybeCreateThrottleFor(&test_handle);
 
 #if !BUILDFLAG(IS_ANDROID)
   if (IsAIChatHistoryEnabled()) {
@@ -101,7 +101,7 @@ TEST_P(AiChatThrottleUnitTest, CancelNavigationFromTab) {
 #endif
 }
 
-TEST_P(AiChatThrottleUnitTest, CancelNavigationToFrame) {
+TEST_P(AIChatThrottleUnitTest, CancelNavigationToFrame) {
   content::MockNavigationHandle test_handle(web_contents());
 
   test_handle.set_url(GURL(kAIChatUntrustedConversationUIURL));
@@ -112,8 +112,8 @@ TEST_P(AiChatThrottleUnitTest, CancelNavigationToFrame) {
 
   test_handle.set_page_transition(transition);
 
-  std::unique_ptr<AiChatThrottle> throttle =
-      AiChatThrottle::MaybeCreateThrottleFor(&test_handle);
+  std::unique_ptr<AIChatThrottle> throttle =
+      AIChatThrottle::MaybeCreateThrottleFor(&test_handle);
 #if !BUILDFLAG(IS_ANDROID)
   EXPECT_EQ(content::NavigationThrottle::CANCEL_AND_IGNORE,
             throttle->WillStartRequest().action());
@@ -122,7 +122,7 @@ TEST_P(AiChatThrottleUnitTest, CancelNavigationToFrame) {
 #endif
 }
 
-TEST_P(AiChatThrottleUnitTest, AllowNavigationFromPanel) {
+TEST_P(AIChatThrottleUnitTest, AllowNavigationFromPanel) {
   content::MockNavigationHandle test_handle(web_contents());
 
   test_handle.set_url(GURL(kAIChatUIURL));
@@ -137,8 +137,8 @@ TEST_P(AiChatThrottleUnitTest, AllowNavigationFromPanel) {
 
   test_handle.set_page_transition(transition);
 
-  std::unique_ptr<AiChatThrottle> throttle =
-      AiChatThrottle::MaybeCreateThrottleFor(&test_handle);
+  std::unique_ptr<AIChatThrottle> throttle =
+      AIChatThrottle::MaybeCreateThrottleFor(&test_handle);
   EXPECT_EQ(throttle.get(), nullptr);
 }
 
diff --git a/browser/brave_content_browser_client.cc b/browser/brave_content_browser_client.cc
index a855e1ee0e4..7302bceddb5 100644
--- a/browser/brave_content_browser_client.cc
+++ b/browser/brave_content_browser_client.cc
@@ -1284,7 +1284,7 @@ BraveContentBrowserClient::CreateThrottlesForNavigation(
 
   if (Profile::FromBrowserContext(context)->IsRegularProfile()) {
     if (auto ai_chat_throttle =
-            ai_chat::AiChatThrottle::MaybeCreateThrottleFor(handle)) {
+            ai_chat::AIChatThrottle::MaybeCreateThrottleFor(handle)) {
       throttles.push_back(std::move(ai_chat_throttle));
     }
   }
diff --git a/components/ai_chat/content/browser/ai_chat_throttle.cc b/components/ai_chat/content/browser/ai_chat_throttle.cc
index 87ce37b862a..13c2dad9776 100644
--- a/components/ai_chat/content/browser/ai_chat_throttle.cc
+++ b/components/ai_chat/content/browser/ai_chat_throttle.cc
@@ -23,7 +23,7 @@
 namespace ai_chat {
 
 // static
-std::unique_ptr<AiChatThrottle> AiChatThrottle::MaybeCreateThrottleFor(
+std::unique_ptr<AIChatThrottle> AIChatThrottle::MaybeCreateThrottleFor(
     content::NavigationHandle* navigation_handle) {
   // The throttle's only purpose is to deny navigation in a Tab.
 
@@ -65,21 +65,21 @@ std::unique_ptr<AiChatThrottle> AiChatThrottle::MaybeCreateThrottleFor(
           ui::PageTransition::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
     return nullptr;
   }
-  return std::make_unique<AiChatThrottle>(navigation_handle);
+  return std::make_unique<AIChatThrottle>(navigation_handle);
 #endif  // BUILDFLAG(IS_ANDROID)
 }
 
-AiChatThrottle::AiChatThrottle(content::NavigationHandle* handle)
+AIChatThrottle::AIChatThrottle(content::NavigationHandle* handle)
     : content::NavigationThrottle(handle) {}
 
-AiChatThrottle::~AiChatThrottle() {}
+AIChatThrottle::~AIChatThrottle() {}
 
-AiChatThrottle::ThrottleCheckResult AiChatThrottle::WillStartRequest() {
+AIChatThrottle::ThrottleCheckResult AIChatThrottle::WillStartRequest() {
   return CANCEL_AND_IGNORE;
 }
 
-const char* AiChatThrottle::GetNameForLogging() {
-  return "AiChatThrottle";
+const char* AIChatThrottle::GetNameForLogging() {
+  return "AIChatThrottle";
 }
 
 }  // namespace ai_chat
diff --git a/components/ai_chat/content/browser/ai_chat_throttle.h b/components/ai_chat/content/browser/ai_chat_throttle.h
index c07d94b5cad..dc4843d4de7 100644
--- a/components/ai_chat/content/browser/ai_chat_throttle.h
+++ b/components/ai_chat/content/browser/ai_chat_throttle.h
@@ -17,12 +17,12 @@ class NavigationHandle;
 namespace ai_chat {
 
 // Prevents navigation to certain AI Chat URLs
-class AiChatThrottle : public content::NavigationThrottle {
+class AIChatThrottle : public content::NavigationThrottle {
  public:
-  explicit AiChatThrottle(content::NavigationHandle* handle);
-  ~AiChatThrottle() override;
+  explicit AIChatThrottle(content::NavigationHandle* handle);
+  ~AIChatThrottle() override;
 
-  static std::unique_ptr<AiChatThrottle> MaybeCreateThrottleFor(
+  static std::unique_ptr<AIChatThrottle> MaybeCreateThrottleFor(
       content::NavigationHandle* navigation_handle);
 
   // content::NavigationThrottle:
diff --git a/components/sidebar/browser/sidebar_service_unittest.cc b/components/sidebar/browser/sidebar_service_unittest.cc
index 29bda159994..ea5db3bdafb 100644
--- a/components/sidebar/browser/sidebar_service_unittest.cc
+++ b/components/sidebar/browser/sidebar_service_unittest.cc
@@ -1073,7 +1073,7 @@ TEST_F(SidebarServiceOrderingTest, LoadFromPrefsWalletBuiltInHidden) {
   LoadFromPrefsTest(std::move(sidebar), items, expected_count);
 }
 
-TEST_F(SidebarServiceOrderingTest, LoadFromPrefsAiChatBuiltInNotListed) {
+TEST_F(SidebarServiceOrderingTest, LoadFromPrefsAIChatBuiltInNotListed) {
   base::Value::Dict sidebar =
       base::test::ParseJsonDict(sidebar_builtin_ai_chat_not_listed_json);