diff --git a/src/vs/workbench/contrib/chat/browser/accessibility/chatAccessibilityService.ts b/src/vs/workbench/contrib/chat/browser/accessibility/chatAccessibilityService.ts
index c6ef4aa91da..0eea541bf13 100644
--- a/src/vs/workbench/contrib/chat/browser/accessibility/chatAccessibilityService.ts
+++ b/src/vs/workbench/contrib/chat/browser/accessibility/chatAccessibilityService.ts
@@ -63,8 +63,10 @@ export class ChatAccessibilityService extends Disposable implements IChatAccessi
 		super.dispose();
 	}
 
-	acceptRequest(uri: URI): void {
-		this._accessibilitySignalService.playSignal(AccessibilitySignal.chatRequestSent, { allowManyInParallel: true });
+	acceptRequest(uri: URI, skipRequestSignal?: boolean): void {
+		if (!skipRequestSignal) {
+			this._accessibilitySignalService.playSignal(AccessibilitySignal.chatRequestSent, { allowManyInParallel: true });
+		}
 		this._pendingSignalMap.set(uri, this._instantiationService.createInstance(AccessibilityProgressSignalScheduler, CHAT_RESPONSE_PENDING_ALLOWANCE_MS, undefined));
 	}
 
diff --git a/src/vs/workbench/contrib/chat/browser/chat.ts b/src/vs/workbench/contrib/chat/browser/chat.ts
index e4ca8618e39..2edca9a2966 100644
--- a/src/vs/workbench/contrib/chat/browser/chat.ts
+++ b/src/vs/workbench/contrib/chat/browser/chat.ts
@@ -111,7 +111,7 @@ export interface IQuickChatOpenOptions {
 export const IChatAccessibilityService = createDecorator<IChatAccessibilityService>('chatAccessibilityService');
 export interface IChatAccessibilityService {
 	readonly _serviceBrand: undefined;
-	acceptRequest(uri: URI): void;
+	acceptRequest(uri: URI, skipRequestSignal?: boolean): void;
 	disposeRequest(requestId: URI): void;
 	acceptResponse(widget: ChatWidget, container: HTMLElement, response: IChatResponseViewModel | string | undefined, requestId: URI | undefined, isVoiceInput?: boolean): void;
 	acceptElicitation(message: IChatElicitationRequest): void;
diff --git a/src/vs/workbench/contrib/chat/browser/widget/chatWidget.ts b/src/vs/workbench/contrib/chat/browser/widget/chatWidget.ts
index bdc5faf1496..25da29c424b 100644
--- a/src/vs/workbench/contrib/chat/browser/widget/chatWidget.ts
+++ b/src/vs/workbench/contrib/chat/browser/widget/chatWidget.ts
@@ -301,6 +301,11 @@ export class ChatWidget extends Disposable implements IChatWidget {
 		if (viewModel) {
 			this.viewModelDisposables.add(viewModel);
 			this.logService.debug('ChatWidget#setViewModel: have viewModel');
+
+			// If switching to a model with a request in progress, play progress sound
+			if (viewModel.model.requestInProgress.get()) {
+				this.chatAccessibilityService.acceptRequest(viewModel.sessionResource, true);
+			}
 		} else {
 			this.logService.debug('ChatWidget#setViewModel: no viewModel');
 		}