diff --git a/packages/cli/src/config/keyBindings.ts b/packages/cli/src/config/keyBindings.ts
index 7499a8c683e..b13da27fa31 100644
--- a/packages/cli/src/config/keyBindings.ts
+++ b/packages/cli/src/config/keyBindings.ts
@@ -51,6 +51,7 @@ export enum Command {
   EXIT = 'exit',
   SHOW_MORE_LINES = 'showMoreLines',
   RETRY_LAST = 'retryLast',
+  TOGGLE_VERBOSE_MODE = 'toggleVerboseMode',
 
   // Shell commands
   REVERSE_SEARCH = 'reverseSearch',
@@ -172,6 +173,7 @@ export const defaultKeyBindings: KeyBindingConfig = {
   [Command.EXIT]: [{ key: 'd', ctrl: true }],
   [Command.SHOW_MORE_LINES]: [{ key: 's', ctrl: true }],
   [Command.RETRY_LAST]: [{ key: 'y', ctrl: true }],
+  [Command.TOGGLE_VERBOSE_MODE]: [{ key: 'o', ctrl: true }],
 
   // Shell commands
   [Command.REVERSE_SEARCH]: [{ key: 'r', ctrl: true }],
diff --git a/packages/cli/src/config/settingsSchema.ts b/packages/cli/src/config/settingsSchema.ts
index d2cf5081c76..e6a9642606d 100644
--- a/packages/cli/src/config/settingsSchema.ts
+++ b/packages/cli/src/config/settingsSchema.ts
@@ -540,6 +540,16 @@ const SETTINGS_SCHEMA = {
         description: 'The last time the feedback dialog was shown.',
         showInDialog: false,
       },
+      verboseMode: {
+        type: 'boolean',
+        label: 'Verbose Mode',
+        category: 'UI',
+        requiresRestart: false,
+        default: false,
+        description:
+          'Show full tool output and thinking in verbose mode (toggle with ctrl+o).',
+        showInDialog: false,
+      },
     },
   },
 
diff --git a/packages/cli/src/i18n/locales/de.js b/packages/cli/src/i18n/locales/de.js
index cb3229a2bed..aaf814ee179 100644
--- a/packages/cli/src/i18n/locales/de.js
+++ b/packages/cli/src/i18n/locales/de.js
@@ -1948,4 +1948,5 @@ export default {
     'Raw-Modus nicht verfügbar. Bitte in einem interaktiven Terminal ausführen.',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(↑ ↓ Pfeiltasten zum Navigieren, Enter zum Auswählen, Strg+C zum Beenden)\n',
+  verbose: 'verbose',
 };
diff --git a/packages/cli/src/i18n/locales/en.js b/packages/cli/src/i18n/locales/en.js
index 3178ea533d8..544dfb45c26 100644
--- a/packages/cli/src/i18n/locales/en.js
+++ b/packages/cli/src/i18n/locales/en.js
@@ -1989,4 +1989,5 @@ export default {
     'Raw mode not available. Please run in an interactive terminal.',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n',
+  verbose: 'verbose',
 };
diff --git a/packages/cli/src/i18n/locales/ja.js b/packages/cli/src/i18n/locales/ja.js
index ac5f5911166..4b4bb53fb0e 100644
--- a/packages/cli/src/i18n/locales/ja.js
+++ b/packages/cli/src/i18n/locales/ja.js
@@ -1441,4 +1441,5 @@ export default {
     'Rawモードが利用できません。インタラクティブターミナルで実行してください。',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(↑ ↓ 矢印キーで移動、Enter で選択、Ctrl+C で終了)\n',
+  verbose: 'verbose',
 };
diff --git a/packages/cli/src/i18n/locales/pt.js b/packages/cli/src/i18n/locales/pt.js
index 993cd8d8c1d..928f198a27f 100644
--- a/packages/cli/src/i18n/locales/pt.js
+++ b/packages/cli/src/i18n/locales/pt.js
@@ -1938,4 +1938,5 @@ export default {
     'Modo raw não disponível. Execute em um terminal interativo.',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(Use ↑ ↓ para navegar, Enter para selecionar, Ctrl+C para sair)\n',
+  verbose: 'verbose',
 };
diff --git a/packages/cli/src/i18n/locales/ru.js b/packages/cli/src/i18n/locales/ru.js
index bb7e8968f76..ee0cfe69baa 100644
--- a/packages/cli/src/i18n/locales/ru.js
+++ b/packages/cli/src/i18n/locales/ru.js
@@ -1945,4 +1945,5 @@ export default {
     'Raw-режим недоступен. Пожалуйста, запустите в интерактивном терминале.',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(↑ ↓ стрелки для навигации, Enter для выбора, Ctrl+C для выхода)\n',
+  verbose: 'verbose',
 };
diff --git a/packages/cli/src/i18n/locales/zh.js b/packages/cli/src/i18n/locales/zh.js
index ad755b721e8..56b747dcf3e 100644
--- a/packages/cli/src/i18n/locales/zh.js
+++ b/packages/cli/src/i18n/locales/zh.js
@@ -1795,4 +1795,5 @@ export default {
     '原始模式不可用。请在交互式终端中运行。',
   '(Use ↑ ↓ arrows to navigate, Enter to select, Ctrl+C to exit)\n':
     '(使用 ↑ ↓ 箭头导航，Enter 选择，Ctrl+C 退出)\n',
+  verbose: '详细模式',
 };
diff --git a/packages/cli/src/ui/AppContainer.tsx b/packages/cli/src/ui/AppContainer.tsx
index 37dc325180f..b4b3a4dd9f4 100644
--- a/packages/cli/src/ui/AppContainer.tsx
+++ b/packages/cli/src/ui/AppContainer.tsx
@@ -60,6 +60,7 @@ import { useApprovalModeCommand } from './hooks/useApprovalModeCommand.js';
 import { useResumeCommand } from './hooks/useResumeCommand.js';
 import { useSlashCommandProcessor } from './hooks/slashCommandProcessor.js';
 import { useVimMode } from './contexts/VimModeContext.js';
+import { VerboseModeProvider } from './contexts/VerboseModeContext.js';
 import { useTerminalSize } from './hooks/useTerminalSize.js';
 import { calculatePromptWidths } from './components/InputPrompt.js';
 import { useStdin, useStdout } from 'ink';
@@ -792,6 +793,11 @@ export const AppContainer = (props: AppContainerProps) => {
     handleWelcomeBackClose,
   } = useWelcomeBack(config, handleFinalSubmit, buffer, settings.merged);
 
+  const pendingHistoryItems = useMemo(
+    () => [...pendingSlashCommandHistoryItems, ...pendingGeminiHistoryItems],
+    [pendingSlashCommandHistoryItems, pendingGeminiHistoryItems],
+  );
+
   cancelHandlerRef.current = useCallback(() => {
     const pendingHistoryItems = [
       ...pendingSlashCommandHistoryItems,
@@ -963,6 +969,13 @@ export const AppContainer = (props: AppContainerProps) => {
   const [showToolDescriptions, setShowToolDescriptions] =
     useState<boolean>(false);
 
+  const [verboseMode, setVerboseMode] = useState<boolean>(
+    settings.merged.ui?.verboseMode ?? false,
+  );
+  const [frozenSnapshot, setFrozenSnapshot] = useState<
+    HistoryItemWithoutId[] | null
+  >(null);
+
   const [ctrlCPressedOnce, setCtrlCPressedOnce] = useState(false);
   const ctrlCTimerRef = useRef<NodeJS.Timeout | null>(null);
   const [ctrlDPressedOnce, setCtrlDPressedOnce] = useState(false);
@@ -977,6 +990,12 @@ export const AppContainer = (props: AppContainerProps) => {
   const [showEscapePrompt, setShowEscapePrompt] = useState(false);
   const [showIdeRestartPrompt, setShowIdeRestartPrompt] = useState(false);
 
+  useEffect(() => {
+    if (streamingState === StreamingState.Idle) {
+      setFrozenSnapshot(null);
+    }
+  }, [streamingState]);
+
   const { isFolderTrustDialogOpen, handleFolderTrustSelect, isRestarting } =
     useFolderTrust(settings, setIsTrustedFolder);
   const {
@@ -1347,6 +1366,16 @@ export const AppContainer = (props: AppContainerProps) => {
         if (activePtyId || embeddedShellFocused) {
           setEmbeddedShellFocused((prev) => !prev);
         }
+      } else if (keyMatchers[Command.TOGGLE_VERBOSE_MODE](key)) {
+        const newValue = !verboseMode;
+        setVerboseMode(newValue);
+        void settings.setValue(SettingScope.User, 'ui.verboseMode', newValue);
+        refreshStatic();
+        if (newValue && streamingState !== StreamingState.Idle) {
+          setFrozenSnapshot([...pendingHistoryItems]);
+        } else {
+          setFrozenSnapshot(null);
+        }
       }
     },
     [
@@ -1375,8 +1404,13 @@ export const AppContainer = (props: AppContainerProps) => {
       btwItem,
       setBtwItem,
       cancelBtw,
-      settings.merged.general?.debugKeystrokeLogging,
+      settings,
       isAuthenticating,
+      verboseMode,
+      setVerboseMode,
+      setFrozenSnapshot,
+      pendingHistoryItems,
+      refreshStatic,
     ],
   );
 
@@ -1465,11 +1499,6 @@ export const AppContainer = (props: AppContainerProps) => {
     sessionStats,
   });
 
-  const pendingHistoryItems = useMemo(
-    () => [...pendingSlashCommandHistoryItems, ...pendingGeminiHistoryItems],
-    [pendingSlashCommandHistoryItems, pendingGeminiHistoryItems],
-  );
-
   const uiState: UIState = useMemo(
     () => ({
       history: historyManager.history,
@@ -1807,9 +1836,11 @@ export const AppContainer = (props: AppContainerProps) => {
               startupWarnings: props.startupWarnings || [],
             }}
           >
-            <ShellFocusContext.Provider value={isFocused}>
-              <App />
-            </ShellFocusContext.Provider>
+            <VerboseModeProvider value={{ verboseMode, frozenSnapshot }}>
+              <ShellFocusContext.Provider value={isFocused}>
+                <App />
+              </ShellFocusContext.Provider>
+            </VerboseModeProvider>
           </AppContext.Provider>
         </ConfigContext.Provider>
       </UIActionsContext.Provider>
diff --git a/packages/cli/src/ui/components/Footer.tsx b/packages/cli/src/ui/components/Footer.tsx
index af81f6a5d7c..0305d0320fd 100644
--- a/packages/cli/src/ui/components/Footer.tsx
+++ b/packages/cli/src/ui/components/Footer.tsx
@@ -16,6 +16,7 @@ import { isNarrowWidth } from '../utils/isNarrowWidth.js';
 import { useUIState } from '../contexts/UIStateContext.js';
 import { useConfig } from '../contexts/ConfigContext.js';
 import { useVimMode } from '../contexts/VimModeContext.js';
+import { useVerboseMode } from '../contexts/VerboseModeContext.js';
 import { ApprovalMode } from '@qwen-code/qwen-code-core';
 import { t } from '../../i18n/index.js';
 
@@ -23,6 +24,7 @@ export const Footer: React.FC = () => {
   const uiState = useUIState();
   const config = useConfig();
   const { vimEnabled, vimMode } = useVimMode();
+  const { verboseMode } = useVerboseMode();
 
   const { promptTokenCount, showAutoAcceptIndicator } = {
     promptTokenCount: uiState.sessionStats.lastPromptTokenCount,
@@ -93,6 +95,12 @@ export const Footer: React.FC = () => {
       ),
     });
   }
+  if (verboseMode) {
+    rightItems.push({
+      key: 'verbose',
+      node: <Text color={theme.text.accent}>{t('verbose')}</Text>,
+    });
+  }
   return (
     <Box
       justifyContent="space-between"
diff --git a/packages/cli/src/ui/components/HistoryItemDisplay.tsx b/packages/cli/src/ui/components/HistoryItemDisplay.tsx
index 12a46380e70..bf31c9e8ae3 100644
--- a/packages/cli/src/ui/components/HistoryItemDisplay.tsx
+++ b/packages/cli/src/ui/components/HistoryItemDisplay.tsx
@@ -43,6 +43,7 @@ import { ContextUsage } from './views/ContextUsage.js';
 import { ArenaAgentCard, ArenaSessionCard } from './arena/ArenaCards.js';
 import { InsightProgressMessage } from './messages/InsightProgressMessage.js';
 import { BtwMessage } from './messages/BtwMessage.js';
+import { useVerboseMode } from '../contexts/VerboseModeContext.js';
 
 interface HistoryItemDisplayProps {
   item: HistoryItem;
@@ -74,6 +75,7 @@ const HistoryItemDisplayComponent: React.FC<HistoryItemDisplayProps> = ({
       ? 0
       : 1;
 
+  const { verboseMode } = useVerboseMode();
   const itemForDisplay = useMemo(() => escapeAnsiCtrlCodes(item), [item]);
   const contentWidth = terminalWidth - 4;
   const boxWidth = mainAreaWidth || contentWidth;
@@ -113,7 +115,7 @@ const HistoryItemDisplayComponent: React.FC<HistoryItemDisplayProps> = ({
           contentWidth={contentWidth}
         />
       )}
-      {itemForDisplay.type === 'gemini_thought' && (
+      {verboseMode && itemForDisplay.type === 'gemini_thought' && (
         <ThinkMessage
           text={itemForDisplay.text}
           isPending={isPending}
@@ -123,7 +125,7 @@ const HistoryItemDisplayComponent: React.FC<HistoryItemDisplayProps> = ({
           contentWidth={contentWidth}
         />
       )}
-      {itemForDisplay.type === 'gemini_thought_content' && (
+      {verboseMode && itemForDisplay.type === 'gemini_thought_content' && (
         <ThinkMessageContent
           text={itemForDisplay.text}
           isPending={isPending}
diff --git a/packages/cli/src/ui/components/MainContent.tsx b/packages/cli/src/ui/components/MainContent.tsx
index 53551c547c6..e38e88e744b 100644
--- a/packages/cli/src/ui/components/MainContent.tsx
+++ b/packages/cli/src/ui/components/MainContent.tsx
@@ -13,6 +13,7 @@ import { useUIState } from '../contexts/UIStateContext.js';
 import { useAppContext } from '../contexts/AppContext.js';
 import { AppHeader } from './AppHeader.js';
 import { DebugModeNotification } from './DebugModeNotification.js';
+import { useVerboseMode } from '../contexts/VerboseModeContext.js';
 
 // Limit Gemini messages to a very high number of lines to mitigate performance
 // issues in the worst case if we somehow get an enormous response from Gemini.
@@ -23,6 +24,7 @@ const MAX_GEMINI_MESSAGE_LINES = 65536;
 export const MainContent = () => {
   const { version } = useAppContext();
   const uiState = useUIState();
+  const { frozenSnapshot } = useVerboseMode();
   const {
     pendingHistoryItems,
     terminalWidth,
@@ -57,21 +59,26 @@ export const MainContent = () => {
       </Static>
       <OverflowProvider>
         <Box flexDirection="column">
-          {pendingHistoryItems.map((item, i) => (
-            <HistoryItemDisplay
-              key={i}
-              availableTerminalHeight={
-                uiState.constrainHeight ? availableTerminalHeight : undefined
-              }
-              terminalWidth={terminalWidth}
-              mainAreaWidth={mainAreaWidth}
-              item={{ ...item, id: 0 }}
-              isPending={true}
-              isFocused={!uiState.isEditorDialogOpen}
-              activeShellPtyId={uiState.activePtyId}
-              embeddedShellFocused={uiState.embeddedShellFocused}
-            />
-          ))}
+          {(frozenSnapshot ?? pendingHistoryItems).map((item, i) => {
+            const isFrozen = frozenSnapshot !== null;
+            return (
+              <HistoryItemDisplay
+                key={i}
+                availableTerminalHeight={
+                  uiState.constrainHeight ? availableTerminalHeight : undefined
+                }
+                terminalWidth={terminalWidth}
+                mainAreaWidth={mainAreaWidth}
+                item={{ ...item, id: 0 }}
+                isPending={true}
+                isFocused={isFrozen ? false : !uiState.isEditorDialogOpen}
+                activeShellPtyId={isFrozen ? undefined : uiState.activePtyId}
+                embeddedShellFocused={
+                  isFrozen ? false : uiState.embeddedShellFocused
+                }
+              />
+            );
+          })}
           <ShowMoreLines constrainHeight={uiState.constrainHeight} />
         </Box>
       </OverflowProvider>
diff --git a/packages/cli/src/ui/components/messages/ToolMessage.test.tsx b/packages/cli/src/ui/components/messages/ToolMessage.test.tsx
index e5f84660172..fc624448f56 100644
--- a/packages/cli/src/ui/components/messages/ToolMessage.test.tsx
+++ b/packages/cli/src/ui/components/messages/ToolMessage.test.tsx
@@ -12,6 +12,7 @@ import { StreamingState, ToolCallStatus } from '../../types.js';
 import { Text } from 'ink';
 import { StreamingContext } from '../../contexts/StreamingContext.js';
 import { SettingsContext } from '../../contexts/SettingsContext.js';
+import { VerboseModeProvider } from '../../contexts/VerboseModeContext.js';
 import type {
   AnsiOutput,
   AnsiOutputDisplay,
@@ -101,18 +102,21 @@ const mockSettings: LoadedSettings = {
   },
 } as LoadedSettings;
 
-// Helper to render with context
+// Helper to render with context (verbose=true by default to show tool output)
 const renderWithContext = (
   ui: React.ReactElement,
   streamingState: StreamingState,
+  verboseMode = true,
 ) => {
   const contextValue: StreamingState = streamingState;
   return render(
-    <SettingsContext.Provider value={mockSettings}>
-      <StreamingContext.Provider value={contextValue}>
-        {ui}
-      </StreamingContext.Provider>
-    </SettingsContext.Provider>,
+    <VerboseModeProvider value={{ verboseMode, frozenSnapshot: null }}>
+      <SettingsContext.Provider value={mockSettings}>
+        <StreamingContext.Provider value={contextValue}>
+          {ui}
+        </StreamingContext.Provider>
+      </SettingsContext.Provider>
+    </VerboseModeProvider>,
   );
 };
 
@@ -143,6 +147,18 @@ describe('<ToolMessage />', () => {
     expect(output).toContain('MockMarkdown:Test result');
   });
 
+  it('hides result output in compact mode (verboseMode=false)', () => {
+    const { lastFrame } = renderWithContext(
+      <ToolMessage {...baseProps} />,
+      StreamingState.Idle,
+      false, // compact mode
+    );
+    const output = lastFrame();
+    expect(output).toContain('✓'); // status indicator still visible
+    expect(output).toContain('test-tool'); // tool name still visible
+    expect(output).not.toContain('MockMarkdown:Test result'); // result hidden
+  });
+
   describe('ToolStatusIndicator rendering', () => {
     it('shows ✓ for Success status', () => {
       const { lastFrame } = renderWithContext(
diff --git a/packages/cli/src/ui/components/messages/ToolMessage.tsx b/packages/cli/src/ui/components/messages/ToolMessage.tsx
index 3da9f0edd3d..68bb2b45831 100644
--- a/packages/cli/src/ui/components/messages/ToolMessage.tsx
+++ b/packages/cli/src/ui/components/messages/ToolMessage.tsx
@@ -33,6 +33,7 @@ import {
 import { theme } from '../../semantic-colors.js';
 import { useSettings } from '../../contexts/SettingsContext.js';
 import type { LoadedSettings } from '../../../config/settings.js';
+import { useVerboseMode } from '../../contexts/VerboseModeContext.js';
 
 const STATIC_HEIGHT = 1;
 const RESERVED_LINE_COUNT = 5; // for tool name, status, padding etc.
@@ -324,6 +325,10 @@ export const ToolMessage: React.FC<ToolMessageProps> = ({
 
   // Use the custom hook to determine the display type
   const displayRenderer = useResultDisplayRenderer(resultDisplay);
+  const { verboseMode } = useVerboseMode();
+  const effectiveDisplayRenderer = verboseMode
+    ? displayRenderer
+    : { type: 'none' as const };
 
   return (
     <Box paddingX={1} paddingY={0} flexDirection="column">
@@ -344,44 +349,44 @@ export const ToolMessage: React.FC<ToolMessageProps> = ({
         )}
         {emphasis === 'high' && <TrailingIndicator />}
       </Box>
-      {displayRenderer.type !== 'none' && (
+      {effectiveDisplayRenderer.type !== 'none' && (
         <Box paddingLeft={STATUS_INDICATOR_WIDTH} width="100%" marginTop={1}>
           <Box flexDirection="column">
-            {displayRenderer.type === 'todo' && (
-              <TodoResultRenderer data={displayRenderer.data} />
+            {effectiveDisplayRenderer.type === 'todo' && (
+              <TodoResultRenderer data={effectiveDisplayRenderer.data} />
             )}
-            {displayRenderer.type === 'plan' && (
+            {effectiveDisplayRenderer.type === 'plan' && (
               <PlanResultRenderer
-                data={displayRenderer.data}
+                data={effectiveDisplayRenderer.data}
                 availableHeight={availableHeight}
                 childWidth={innerWidth}
               />
             )}
-            {displayRenderer.type === 'task' && config && (
+            {effectiveDisplayRenderer.type === 'task' && config && (
               <SubagentExecutionRenderer
-                data={displayRenderer.data}
+                data={effectiveDisplayRenderer.data}
                 availableHeight={availableHeight}
                 childWidth={innerWidth}
                 config={config}
               />
             )}
-            {displayRenderer.type === 'diff' && (
+            {effectiveDisplayRenderer.type === 'diff' && (
               <DiffResultRenderer
-                data={displayRenderer.data}
+                data={effectiveDisplayRenderer.data}
                 availableHeight={availableHeight}
                 childWidth={innerWidth}
                 settings={settings}
               />
             )}
-            {displayRenderer.type === 'ansi' && (
+            {effectiveDisplayRenderer.type === 'ansi' && (
               <AnsiOutputText
-                data={displayRenderer.data}
+                data={effectiveDisplayRenderer.data}
                 availableTerminalHeight={availableHeight}
               />
             )}
-            {displayRenderer.type === 'string' && (
+            {effectiveDisplayRenderer.type === 'string' && (
               <StringResultRenderer
-                data={displayRenderer.data}
+                data={effectiveDisplayRenderer.data}
                 renderAsMarkdown={renderOutputAsMarkdown}
                 availableHeight={availableHeight}
                 childWidth={innerWidth}
diff --git a/packages/cli/src/ui/contexts/VerboseModeContext.tsx b/packages/cli/src/ui/contexts/VerboseModeContext.tsx
new file mode 100644
index 00000000000..ecee38326b8
--- /dev/null
+++ b/packages/cli/src/ui/contexts/VerboseModeContext.tsx
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { createContext, useContext } from 'react';
+import type { HistoryItemWithoutId } from '../types.js';
+
+interface VerboseModeContextType {
+  verboseMode: boolean;
+  frozenSnapshot: HistoryItemWithoutId[] | null;
+}
+
+const VerboseModeContext = createContext<VerboseModeContextType>({
+  verboseMode: false,
+  frozenSnapshot: null,
+});
+
+export const useVerboseMode = (): VerboseModeContextType =>
+  useContext(VerboseModeContext);
+
+export const VerboseModeProvider = VerboseModeContext.Provider;
diff --git a/packages/cli/src/ui/keyMatchers.test.ts b/packages/cli/src/ui/keyMatchers.test.ts
index 8961f9ff702..856c300c3d9 100644
--- a/packages/cli/src/ui/keyMatchers.test.ts
+++ b/packages/cli/src/ui/keyMatchers.test.ts
@@ -60,6 +60,7 @@ describe('keyMatchers', () => {
     [Command.EXIT]: (key: Key) => key.ctrl && key.name === 'd',
     [Command.SHOW_MORE_LINES]: (key: Key) => key.ctrl && key.name === 's',
     [Command.RETRY_LAST]: (key: Key) => key.ctrl && key.name === 'y',
+    [Command.TOGGLE_VERBOSE_MODE]: (key: Key) => key.ctrl && key.name === 'o',
     [Command.REVERSE_SEARCH]: (key: Key) => key.ctrl && key.name === 'r',
     [Command.SUBMIT_REVERSE_SEARCH]: (key: Key) =>
       key.name === 'return' && !key.ctrl,
@@ -258,6 +259,11 @@ describe('keyMatchers', () => {
       positive: [createKey('y', { ctrl: true })],
       negative: [createKey('y'), createKey('r', { ctrl: true })],
     },
+    {
+      command: Command.TOGGLE_VERBOSE_MODE,
+      positive: [createKey('o', { ctrl: true })],
+      negative: [createKey('o'), createKey('p', { ctrl: true })],
+    },
 
     // Shell commands
     {
diff --git a/packages/vscode-ide-companion/schemas/settings.schema.json b/packages/vscode-ide-companion/schemas/settings.schema.json
index c7f53048e1b..4d6f1edc3ec 100644
--- a/packages/vscode-ide-companion/schemas/settings.schema.json
+++ b/packages/vscode-ide-companion/schemas/settings.schema.json
@@ -194,6 +194,11 @@
           "description": "The last time the feedback dialog was shown.",
           "type": "number",
           "default": 0
+        },
+        "verboseMode": {
+          "description": "Show full tool output and thinking in verbose mode (toggle with ctrl+o).",
+          "type": "boolean",
+          "default": false
         }
       }
     },