diff --git a/src/ipc-types.d.ts b/src/ipc-types.d.ts
index 9142f191c..2c1c3d259 100644
--- a/src/ipc-types.d.ts
+++ b/src/ipc-types.d.ts
@@ -86,6 +86,7 @@ interface FeatureFlags {
 
 interface BetaFeatures {
 	studioSitesCli: boolean;
+	multiWorkerSupport: boolean;
 }
 
 interface AppGlobals extends FeatureFlags {
diff --git a/src/lib/beta-features.ts b/src/lib/beta-features.ts
index 860720813..13ab20b43 100644
--- a/src/lib/beta-features.ts
+++ b/src/lib/beta-features.ts
@@ -14,6 +14,12 @@ const BETA_FEATURES_DEFINITION: Record< keyof BetaFeatures, BetaFeatureDefinitio
 		default: false,
 		description: '"studio site" command to manage local sites from terminal',
 	},
+	multiWorkerSupport: {
+		label: 'Multi-Worker Support',
+		key: 'multiWorkerSupport',
+		default: false,
+		description: 'Enable multi-worker PHP processing for faster performance',
+	},
 } as const;
 
 export const BETA_FEATURES: Record< keyof BetaFeatures, BetaFeatureDefinition > =
diff --git a/src/lib/wordpress-provider/playground-cli/playground-cli-provider.ts b/src/lib/wordpress-provider/playground-cli/playground-cli-provider.ts
index c49441653..923aeecbd 100644
--- a/src/lib/wordpress-provider/playground-cli/playground-cli-provider.ts
+++ b/src/lib/wordpress-provider/playground-cli/playground-cli-provider.ts
@@ -5,6 +5,7 @@ import { RecommendedPHPVersion } from '@wp-playground/common';
 import { recursiveCopyDirectory, pathExists, isWordPressDirectory } from 'common/lib/fs-utils';
 import { DEFAULT_LOCALE } from 'common/lib/locale';
 import { isOnline } from 'common/lib/network-utils';
+import { getBetaFeatures } from 'src/lib/beta-features';
 import { getPreferredSiteLanguage } from 'src/lib/site-language';
 import { keepSqliteIntegrationUpdated } from 'src/lib/sqlite-versions';
 import { isValidWordPressVersion } from 'src/lib/wordpress-version-utils';
@@ -25,6 +26,7 @@ export interface PlaygroundCliOptions {
 	autoMount: boolean;
 	skipWordpressSetup: boolean;
 	blueprint?: Blueprint;
+	enableMultiWorker?: boolean;
 }
 
 export const PLAYGROUND_CLI_PROVIDER_NAME = 'playground-cli';
@@ -65,6 +67,13 @@ export class PlaygroundCliProvider implements WordPressProvider {
 		const phpVersion = options.phpVersion || '8.3';
 		const hasWordPress = isWordPressDirectory( options.path );
 
+		// Get beta features to check if multi-worker support is enabled
+		const betaFeatures = await getBetaFeatures();
+
+		if ( betaFeatures.multiWorkerSupport ) {
+			console.log( '[PlaygroundCliProvider] Multi-worker support is enabled via beta features' );
+		}
+
 		const playgroundOptions: PlaygroundCliOptions = {
 			port,
 			phpVersion,
@@ -72,6 +81,7 @@ export class PlaygroundCliProvider implements WordPressProvider {
 			autoMount: true,
 			skipWordpressSetup: hasWordPress,
 			blueprint: options.blueprint,
+			enableMultiWorker: betaFeatures.multiWorkerSupport,
 		};
 
 		const serverOptions: WordPressServerOptions = {
diff --git a/src/lib/wordpress-provider/playground-cli/playground-server-process-child.ts b/src/lib/wordpress-provider/playground-cli/playground-server-process-child.ts
index 9239e91b7..49c4fb9bb 100644
--- a/src/lib/wordpress-provider/playground-cli/playground-server-process-child.ts
+++ b/src/lib/wordpress-provider/playground-cli/playground-server-process-child.ts
@@ -1,3 +1,4 @@
+import { cpus } from 'os';
 import { SupportedPHPVersion, PHPRunOptions } from '@php-wasm/universal';
 import { runCLI, RunCLIArgs, RunCLIServer } from '@wp-playground/cli';
 import { sanitizeRunCLIArgs } from 'src/lib/sentry-sanitizer';
@@ -161,6 +162,7 @@ async function startServer(
 		const defaultConstants = {
 			WP_SQLITE_AST_DRIVER: true,
 		};
+
 		const mounts = [
 			{
 				hostPath: options.documentRoot,
@@ -189,6 +191,15 @@ async function startServer(
 			skipWordPressSetup: options.skipWordpressSetup,
 		};
 
+		// Enable multi-worker support if beta feature is enabled
+		if ( options.enableMultiWorker ) {
+			const workerCount = Math.max( 1, cpus().length - 1 );
+			console.log(
+				`[playground-cli] Enabling experimental multi-worker support with ${ workerCount } workers (CPU cores - 1)`
+			);
+			args.experimentalMultiWorker = workerCount;
+		}
+
 		if ( options.phpVersion ) {
 			args.php = options.phpVersion as SupportedPHPVersion;
 		}
@@ -207,6 +218,13 @@ async function startServer(
 
 		server = await runCLI( args );
 
+		// Log actual worker count for verification
+		if ( options.enableMultiWorker ) {
+			console.log(
+				`[playground-cli] Server started with ${ server.workerThreadCount } worker thread(s)`
+			);
+		}
+
 		if ( serverOptions.adminPassword ) {
 			await setAdminPassword( server, serverOptions.adminPassword );
 		}