diff --git a/packages/nuxt/src/client/sdk.ts b/packages/nuxt/src/client/sdk.ts
index 3376e5fdbeb7..8f427d639ca6 100644
--- a/packages/nuxt/src/client/sdk.ts
+++ b/packages/nuxt/src/client/sdk.ts
@@ -1,5 +1,5 @@
 import { getDefaultIntegrations as getBrowserDefaultIntegrations, init as initBrowser } from '@sentry/browser';
-import { applySdkMetadata } from '@sentry/core';
+import { applySdkMetadata, setTag } from '@sentry/core';
 import type { Client } from '@sentry/types';
 import type { SentryNuxtOptions } from '../common/types';
 
@@ -17,5 +17,7 @@ export function init(options: SentryNuxtOptions): Client | undefined {
 
   applySdkMetadata(sentryOptions, 'nuxt', ['nuxt', 'vue']);
 
+  setTag('runtime', 'browser');
+
   return initBrowser(sentryOptions);
 }
diff --git a/packages/nuxt/src/server/sdk.ts b/packages/nuxt/src/server/sdk.ts
index 4faae8e6ef1a..a6b1b4b04f0b 100644
--- a/packages/nuxt/src/server/sdk.ts
+++ b/packages/nuxt/src/server/sdk.ts
@@ -1,4 +1,4 @@
-import { applySdkMetadata } from '@sentry/core';
+import { applySdkMetadata, setTag } from '@sentry/core';
 import { init as initNode } from '@sentry/node';
 import type { Client } from '@sentry/types';
 import type { SentryNuxtOptions } from '../common/types';
@@ -15,5 +15,7 @@ export function init(options: SentryNuxtOptions): Client | undefined {
 
   applySdkMetadata(sentryOptions, 'nuxt', ['nuxt', 'node']);
 
+  setTag('runtime', 'node');
+
   return initNode(sentryOptions);
 }