diff --git a/packages/core/src/createRsbuild.ts b/packages/core/src/createRsbuild.ts
index 650e40c196..bcd03a67fd 100644
--- a/packages/core/src/createRsbuild.ts
+++ b/packages/core/src/createRsbuild.ts
@@ -70,7 +70,6 @@ async function applyDefaultPlugins(
     import('./plugins/splitChunks').then(({ pluginSplitChunks }) =>
       pluginSplitChunks(),
     ),
-    import('./plugins/open').then(({ pluginOpen }) => pluginOpen()),
     import('./plugins/inlineChunk').then(({ pluginInlineChunk }) =>
       pluginInlineChunk(),
     ),
diff --git a/packages/core/src/plugins/output.ts b/packages/core/src/plugins/output.ts
index 94965e8d3c..1c77a7f25f 100644
--- a/packages/core/src/plugins/output.ts
+++ b/packages/core/src/plugins/output.ts
@@ -7,13 +7,13 @@ import {
 } from '../constants';
 import { formatPublicPath, getFilename } from '../helpers';
 import { getCssExtractPlugin } from '../pluginHelper';
+import { replacePortPlaceholder } from '../server/open';
 import type {
   NormalizedEnvironmentConfig,
   RsbuildContext,
   RsbuildPlugin,
 } from '../types';
 import { isUseCssExtract } from './css';
-import { replacePortPlaceholder } from './open';
 
 function getPublicPath({
   isProd,
diff --git a/packages/core/src/plugins/server.ts b/packages/core/src/plugins/server.ts
index c671870f1e..6ef1f784f2 100644
--- a/packages/core/src/plugins/server.ts
+++ b/packages/core/src/plugins/server.ts
@@ -1,13 +1,28 @@
 import fs from 'node:fs';
 import { isAbsolute, join } from 'node:path';
 import { normalizePublicDirs } from '../config';
-import type { RsbuildPlugin } from '../types';
+import { open } from '../server/open';
+import type { OnAfterStartDevServerFn, RsbuildPlugin } from '../types';
 
 // For Rsbuild Server Config
 export const pluginServer = (): RsbuildPlugin => ({
   name: 'rsbuild:server',
 
   setup(api) {
+    const onStartServer: OnAfterStartDevServerFn = async ({ port, routes }) => {
+      const config = api.getNormalizedConfig();
+      if (config.server.open) {
+        open({
+          https: api.context.devServer?.https,
+          port,
+          routes,
+          config,
+        });
+      }
+    };
+
+    api.onAfterStartDevServer(onStartServer);
+    api.onAfterStartProdServer(onStartServer);
     api.onBeforeBuild(async ({ isFirstCompile }) => {
       if (!isFirstCompile) {
         return;
diff --git a/packages/core/src/server/devServer.ts b/packages/core/src/server/devServer.ts
index 21ea0653b5..8f44e938cd 100644
--- a/packages/core/src/server/devServer.ts
+++ b/packages/core/src/server/devServer.ts
@@ -29,6 +29,7 @@ import {
 } from './helper';
 import { createHttpServer } from './httpServer';
 import { notFoundMiddleware } from './middlewares';
+import { open } from './open';
 import { onBeforeRestartServer } from './restart';
 import { setupWatchFiles } from './watchFiles';
 
@@ -78,6 +79,10 @@ export type RsbuildDevServer = {
    * Print the server URLs.
    */
   printUrls: () => void;
+  /**
+   * Open URL in the browser after starting the server.
+   */
+  open: () => Promise<void>;
 };
 
 const formatDevConfig = (config: NormalizedDevConfig, port: number) => {
@@ -333,6 +338,15 @@ export async function createDevServer<
       await Promise.all([devMiddlewares.close(), fileWatcher?.close()]);
     },
     printUrls,
+    open: async () => {
+      return open({
+        https,
+        port,
+        routes,
+        config,
+        clearCache: true,
+      });
+    },
   };
 
   logger.debug('create dev server done');
diff --git a/packages/core/src/plugins/open.ts b/packages/core/src/server/open.ts
similarity index 57%
rename from packages/core/src/plugins/open.ts
rename to packages/core/src/server/open.ts
index 5ec1112085..0e0acf99e8 100644
--- a/packages/core/src/plugins/open.ts
+++ b/packages/core/src/server/open.ts
@@ -3,7 +3,7 @@ import { promisify } from 'node:util';
 import { STATIC_PATH } from '../constants';
 import { canParse, castArray } from '../helpers';
 import { logger } from '../logger';
-import type { NormalizedConfig, Routes, RsbuildPlugin } from '../types';
+import type { NormalizedConfig, Routes } from '../types';
 
 const execAsync = promisify(exec);
 
@@ -37,7 +37,7 @@ const getTargetBrowser = async () => {
  * Copyright (c) 2015-present, Facebook, Inc.
  * https://github.com/facebook/create-react-app/blob/master/LICENSE
  */
-export async function openBrowser(url: string): Promise<boolean> {
+async function openBrowser(url: string): Promise<boolean> {
   // If we're on OS X, the user hasn't specifically
   // requested a different browser, we can try opening
   // a Chromium browser with AppleScript. This lets us reuse an
@@ -80,6 +80,12 @@ export async function openBrowser(url: string): Promise<boolean> {
   }
 }
 
+let openedURLs: string[] = [];
+
+const clearOpenedURLs = () => {
+  openedURLs = [];
+};
+
 export const replacePortPlaceholder = (url: string, port: number): string =>
   url.replace(/<port>/g, String(port));
 
@@ -98,17 +104,12 @@ export function resolveUrl(str: string, base: string): string {
   }
 }
 
-const openedURLs: string[] = [];
-
 const normalizeOpenConfig = (
   config: NormalizedConfig,
-): { targets?: string[]; before?: () => Promise<void> | void } => {
+): { targets: string[]; before?: () => Promise<void> | void } => {
   const { open } = config.server;
 
-  if (open === false) {
-    return {};
-  }
-  if (open === true) {
+  if (typeof open === 'boolean') {
     return { targets: [] };
   }
   if (typeof open === 'string') {
@@ -124,67 +125,62 @@ const normalizeOpenConfig = (
   };
 };
 
-export function pluginOpen(): RsbuildPlugin {
-  return {
-    name: 'rsbuild:open',
-    setup(api) {
-      const onStartServer = async (params: {
-        port: number;
-        routes: Routes;
-      }) => {
-        const { port, routes } = params;
-        const config = api.getNormalizedConfig();
-        const { https } = api.context.devServer || {};
-        const { targets, before } = normalizeOpenConfig(config);
-
-        // Skip open in codesandbox. After being bundled, the `open` package will
-        // try to call system xdg-open, which will cause an error on codesandbox.
-        // https://github.com/codesandbox/codesandbox-client/issues/6642
-        const isCodesandbox = process.env.CSB === 'true';
-        const shouldOpen = targets !== undefined && !isCodesandbox;
-
-        if (!shouldOpen) {
-          return;
-        }
-
-        const urls: string[] = [];
-        const protocol = https ? 'https' : 'http';
-        const baseUrl = `${protocol}://localhost:${port}`;
-
-        if (!targets.length) {
-          if (routes.length) {
-            // auto open the first one
-            urls.push(`${baseUrl}${routes[0].pathname}`);
-          }
-        } else {
-          urls.push(
-            ...targets.map((target) =>
-              resolveUrl(replacePortPlaceholder(target, port), baseUrl),
-            ),
-          );
-        }
-
-        const openUrls = () => {
-          for (const url of urls) {
-            /**
-             * If a URL has been opened in current process, we will not open it again.
-             * It can prevent opening the same URL multiple times.
-             */
-            if (!openedURLs.includes(url)) {
-              openBrowser(url);
-              openedURLs.push(url);
-            }
-          }
-        };
-
-        if (before) {
-          await before();
-        }
-        openUrls();
-      };
-
-      api.onAfterStartDevServer(onStartServer);
-      api.onAfterStartProdServer(onStartServer);
-    },
-  };
+export async function open({
+  https,
+  port,
+  routes,
+  config,
+  clearCache,
+}: {
+  https?: boolean;
+  port: number;
+  routes: Routes;
+  config: NormalizedConfig;
+  clearCache?: boolean;
+}): Promise<void> {
+  const { targets, before } = normalizeOpenConfig(config);
+
+  // Skip open in codesandbox. After being bundled, the `open` package will
+  // try to call system xdg-open, which will cause an error on codesandbox.
+  // https://github.com/codesandbox/codesandbox-client/issues/6642
+  const isCodesandbox = process.env.CSB === 'true';
+  if (isCodesandbox) {
+    return;
+  }
+
+  if (clearCache) {
+    clearOpenedURLs();
+  }
+
+  const urls: string[] = [];
+  const protocol = https ? 'https' : 'http';
+  const baseUrl = `${protocol}://localhost:${port}`;
+
+  if (!targets.length) {
+    if (routes.length) {
+      // auto open the first one
+      urls.push(`${baseUrl}${routes[0].pathname}`);
+    }
+  } else {
+    urls.push(
+      ...targets.map((target) =>
+        resolveUrl(replacePortPlaceholder(target, port), baseUrl),
+      ),
+    );
+  }
+
+  if (before) {
+    await before();
+  }
+
+  for (const url of urls) {
+    /**
+     * If an URL has been opened in current process, we will not open it again.
+     * It can prevent opening the same URL multiple times.
+     */
+    if (!openedURLs.includes(url)) {
+      openBrowser(url);
+      openedURLs.push(url);
+    }
+  }
 }
diff --git a/packages/core/tests/__snapshots__/environments.test.ts.snap b/packages/core/tests/__snapshots__/environments.test.ts.snap
index e0d9382554..cb806516e2 100644
--- a/packages/core/tests/__snapshots__/environments.test.ts.snap
+++ b/packages/core/tests/__snapshots__/environments.test.ts.snap
@@ -356,7 +356,6 @@ exports[`environment config > should print environment config when inspect confi
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -513,7 +512,6 @@ exports[`environment config > should print environment config when inspect confi
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -688,7 +686,6 @@ exports[`environment config > should support modify environment config by api.mo
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -846,7 +843,6 @@ exports[`environment config > should support modify environment config by api.mo
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -1005,7 +1001,6 @@ exports[`environment config > should support modify environment config by api.mo
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -1167,7 +1162,6 @@ exports[`environment config > should support modify single environment config by
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
@@ -1325,7 +1319,6 @@ exports[`environment config > should support modify single environment config by
       "rsbuild:swc",
       "rsbuild:externals",
       "rsbuild:split-chunks",
-      "rsbuild:open",
       "rsbuild:inline-chunk",
       "rsbuild:rsdoctor",
       "rsbuild:resource-hints",
diff --git a/packages/core/tests/__snapshots__/inspect.test.ts.snap b/packages/core/tests/__snapshots__/inspect.test.ts.snap
index 17b63c4328..0f183c6b9e 100644
--- a/packages/core/tests/__snapshots__/inspect.test.ts.snap
+++ b/packages/core/tests/__snapshots__/inspect.test.ts.snap
@@ -23,7 +23,6 @@ exports[`inspectConfig > should print plugin names when inspect config 1`] = `
   "rsbuild:swc",
   "rsbuild:externals",
   "rsbuild:split-chunks",
-  "rsbuild:open",
   "rsbuild:inline-chunk",
   "rsbuild:rsdoctor",
   "rsbuild:resource-hints",
diff --git a/packages/core/tests/open.test.ts b/packages/core/tests/open.test.ts
index e5587761fe..c5d2b6a3b9 100644
--- a/packages/core/tests/open.test.ts
+++ b/packages/core/tests/open.test.ts
@@ -1,4 +1,4 @@
-import { replacePortPlaceholder, resolveUrl } from '../src/plugins/open';
+import { replacePortPlaceholder, resolveUrl } from '../src/server/open';
 
 describe('plugin-open', () => {
   it('#replacePortPlaceholder - should replace port number correctly', () => {
diff --git a/website/docs/en/api/javascript-api/instance.mdx b/website/docs/en/api/javascript-api/instance.mdx
index 29367e928a..cf3219475d 100644
--- a/website/docs/en/api/javascript-api/instance.mdx
+++ b/website/docs/en/api/javascript-api/instance.mdx
@@ -328,6 +328,10 @@ type RsbuildDevServer = {
    * Print the server URLs.
    */
   printUrls: () => void;
+  /**
+   * Open URL in the browser after starting the server.
+   */
+  open: () => Promise<void>;
 };
 
 type CreateDevServerOptions = {
diff --git a/website/docs/zh/api/javascript-api/instance.mdx b/website/docs/zh/api/javascript-api/instance.mdx
index b978dfdf7d..3c98d962cc 100644
--- a/website/docs/zh/api/javascript-api/instance.mdx
+++ b/website/docs/zh/api/javascript-api/instance.mdx
@@ -351,6 +351,10 @@ type RsbuildDevServer = {
    * 打印 server URLs
    */
   printUrls: () => void;
+  /**
+   * 启动服务器后，在浏览器中打开 URL
+   */
+  open: () => Promise<void>;
 };
 
 type CreateDevServerOptions = {