diff --git a/services/web/app/src/Features/Project/ProjectController.js b/services/web/app/src/Features/Project/ProjectController.js
index 827c78418a..e94002a580 100644
--- a/services/web/app/src/Features/Project/ProjectController.js
+++ b/services/web/app/src/Features/Project/ProjectController.js
@@ -45,6 +45,9 @@ const OnboardingDataCollectionManager = require('../OnboardingDataCollection/Onb
 const UserUpdater = require('../User/UserUpdater')
 const Modules = require('../../infrastructure/Modules')
 const UserGetter = require('../User/UserGetter')
+const {
+  isStandaloneAiAddOnPlanCode,
+} = require('../Subscription/RecurlyEntities')
 
 /**
  * @import { GetProjectsRequest, GetProjectsResponse, Project } from "./types"
@@ -612,12 +615,15 @@ const _ProjectController = {
       const userInNonIndividualSub =
         userIsMemberOfGroupSubscription || userHasInstitutionLicence
 
+      const userHasPremiumSub =
+        subscription && !isStandaloneAiAddOnPlanCode(subscription.planCode)
+
       // Persistent upgrade prompts
       // in header & in share project modal
       const showUpgradePrompt =
         Features.hasFeature('saas') &&
         userId &&
-        !subscription &&
+        !userHasPremiumSub &&
         !userInNonIndividualSub
 
       let aiFeaturesAllowed = false
diff --git a/services/web/app/src/Features/Project/ProjectListController.mjs b/services/web/app/src/Features/Project/ProjectListController.mjs
index 4f7b0cb567..e3e7f6cfe6 100644
--- a/services/web/app/src/Features/Project/ProjectListController.mjs
+++ b/services/web/app/src/Features/Project/ProjectListController.mjs
@@ -392,7 +392,10 @@ async function projectListPage(req, res, next) {
   let showLATAMBanner = false
   let recommendedCurrency
 
-  if (usersBestSubscription?.type === 'free') {
+  if (
+    usersBestSubscription?.type === 'free' ||
+    usersBestSubscription?.type === 'standalone-ai-add-on'
+  ) {
     const latamGeoPricingAssignment =
       await SplitTestHandler.promises.getAssignment(
         req,
diff --git a/services/web/app/src/Features/Subscription/SubscriptionViewModelBuilder.js b/services/web/app/src/Features/Subscription/SubscriptionViewModelBuilder.js
index 30ae83b675..393bd2d2fc 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionViewModelBuilder.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionViewModelBuilder.js
@@ -2,6 +2,7 @@
 const Settings = require('@overleaf/settings')
 const RecurlyWrapper = require('./RecurlyWrapper')
 const PlansLocator = require('./PlansLocator')
+const { isStandaloneAiAddOnPlanCode } = require('./RecurlyEntities')
 const SubscriptionFormatters = require('./SubscriptionFormatters')
 const SubscriptionLocator = require('./SubscriptionLocator')
 const SubscriptionUpdater = require('./SubscriptionUpdater')
@@ -419,16 +420,22 @@ async function getBestSubscription(user) {
     }
   }
   if (individualSubscription && !individualSubscription.groupPlan) {
-    const plan = PlansLocator.findLocalPlanInSettings(
-      individualSubscription.planCode
-    )
-    if (_isPlanEqualOrBetter(plan, bestSubscription.plan)) {
-      const remainingTrialDays = _getRemainingTrialDays(individualSubscription)
-      bestSubscription = {
-        type: 'individual',
-        subscription: individualSubscription,
-        plan,
-        remainingTrialDays,
+    if (isStandaloneAiAddOnPlanCode(individualSubscription.planCode)) {
+      bestSubscription = { type: 'standalone-ai-add-on' }
+    } else {
+      const plan = PlansLocator.findLocalPlanInSettings(
+        individualSubscription.planCode
+      )
+      if (_isPlanEqualOrBetter(plan, bestSubscription.plan)) {
+        const remainingTrialDays = _getRemainingTrialDays(
+          individualSubscription
+        )
+        bestSubscription = {
+          type: 'individual',
+          subscription: individualSubscription,
+          plan,
+          remainingTrialDays,
+        }
       }
     }
   }
diff --git a/services/web/app/views/layout-react.pug b/services/web/app/views/layout-react.pug
index e03d70e41b..c64b768ab9 100644
--- a/services/web/app/views/layout-react.pug
+++ b/services/web/app/views/layout-react.pug
@@ -19,7 +19,7 @@ block append meta
 		- const staffAccess = sessionUser?.staffAccess
 		- const canDisplaySplitTestMenu = hasFeature('saas') && (canDisplayAdminMenu || staffAccess?.splitTestMetrics || staffAccess?.splitTestManagement)
 		- const canDisplaySurveyMenu = hasFeature('saas') && canDisplayAdminMenu
-		- const enableUpgradeButton = projectDashboardReact && usersBestSubscription && usersBestSubscription.type === 'free'
+		- const enableUpgradeButton = projectDashboardReact && usersBestSubscription && (usersBestSubscription.type === 'free' || usersBestSubscription.type === 'standalone-ai-add-on')
 		- const showSignUpLink = hasFeature('registration-page')
 
 		meta(name="ol-navbar" data-type="json" content={
diff --git a/services/web/app/views/layout/navbar-marketing-bootstrap-5.pug b/services/web/app/views/layout/navbar-marketing-bootstrap-5.pug
index c2e3bb1c74..ec16744a44 100644
--- a/services/web/app/views/layout/navbar-marketing-bootstrap-5.pug
+++ b/services/web/app/views/layout/navbar-marketing-bootstrap-5.pug
@@ -12,7 +12,7 @@ nav.navbar.navbar-default.navbar-main.navbar-expand-lg(class={
 			else
 				a(href='/', aria-label=settings.appName).navbar-brand
 
-			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && usersBestSubscription.type === 'free'
+			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && (usersBestSubscription.type === 'free' || usersBestSubscription.type === 'standalone-ai-add-on')
 			if (enableUpgradeButton)
 				a.btn.btn-primary.me-2.d-md-none(
 					href="/user/subscription/plans"
diff --git a/services/web/app/views/layout/navbar-marketing.pug b/services/web/app/views/layout/navbar-marketing.pug
index bd8db5bc6c..01676bbfe7 100644
--- a/services/web/app/views/layout/navbar-marketing.pug
+++ b/services/web/app/views/layout/navbar-marketing.pug
@@ -9,7 +9,7 @@ nav.navbar.navbar-default.navbar-main
 					aria-label="Toggle " + translate('navigation')
 				)
 					i.fa.fa-bars(aria-hidden="true")
-			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && usersBestSubscription.type === 'free'
+			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && (usersBestSubscription.type === 'free' || usersBestSubscription.type === 'standalone-ai-add-on')
 			if (enableUpgradeButton)
 				a.btn.btn-primary.pull-right.me-2.visible-xs(
 					href="/user/subscription/plans"
diff --git a/services/web/app/views/layout/navbar-website-redesign.pug b/services/web/app/views/layout/navbar-website-redesign.pug
index 82f34991e5..58616f9c3e 100644
--- a/services/web/app/views/layout/navbar-website-redesign.pug
+++ b/services/web/app/views/layout/navbar-website-redesign.pug
@@ -9,7 +9,7 @@ nav.navbar.navbar-default.navbar-main.website-redesign-navbar
 					aria-label="Toggle " + translate('navigation')
 				)
 					i.fa.fa-bars(aria-hidden="true")
-			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && usersBestSubscription.type === 'free'
+			- var enableUpgradeButton = projectDashboardReact && usersBestSubscription && (usersBestSubscription.type === 'free' || usersBestSubscription.type === 'standalone-ai-add-on')
 			if (enableUpgradeButton)
 				a.btn.btn-primary.pull-right.me-2.visible-xs(
 					href="/user/subscription/plans"
diff --git a/services/web/frontend/js/features/project-list/components/current-plan-widget/current-plan-widget.tsx b/services/web/frontend/js/features/project-list/components/current-plan-widget/current-plan-widget.tsx
index ffc20f6f82..aae2053b19 100644
--- a/services/web/frontend/js/features/project-list/components/current-plan-widget/current-plan-widget.tsx
+++ b/services/web/frontend/js/features/project-list/components/current-plan-widget/current-plan-widget.tsx
@@ -12,7 +12,7 @@ function CurrentPlanWidget() {
   }
 
   const { type } = usersBestSubscription
-  const isFreePlan = type === 'free'
+  const isFreePlan = type === 'free' || type === 'standalone-ai-add-on'
   const isIndividualPlan = type === 'individual'
   const isGroupPlan = type === 'group'
   const isCommonsPlan = type === 'commons'
diff --git a/services/web/frontend/js/features/project-list/components/notifications/groups/confirm-email.tsx b/services/web/frontend/js/features/project-list/components/notifications/groups/confirm-email.tsx
index 737286255e..6a3f2d6e33 100644
--- a/services/web/frontend/js/features/project-list/components/notifications/groups/confirm-email.tsx
+++ b/services/web/frontend/js/features/project-list/components/notifications/groups/confirm-email.tsx
@@ -61,7 +61,9 @@ function isOnFreeOrIndividualPlan() {
     return false
   }
   const { type } = subscription
-  return type === 'free' || type === 'individual'
+  return (
+    type === 'free' || type === 'individual' || type === 'standalone-ai-add-on'
+  )
 }
 
 const showConfirmEmail = (userEmail: UserEmailData) => {
diff --git a/services/web/test/unit/src/Project/ProjectControllerTests.js b/services/web/test/unit/src/Project/ProjectControllerTests.js
index 72153e25e3..06d475ce3b 100644
--- a/services/web/test/unit/src/Project/ProjectControllerTests.js
+++ b/services/web/test/unit/src/Project/ProjectControllerTests.js
@@ -28,6 +28,8 @@ describe('ProjectController', function () {
       },
       siteUrl: 'https://overleaf.com',
       algolia: {},
+      plans: [],
+      features: {},
     }
     this.brandVariationDetails = {
       id: '12',
diff --git a/services/web/types/project/dashboard/subscription.ts b/services/web/types/project/dashboard/subscription.ts
index 2b708f5c3a..4f430cbfc2 100644
--- a/services/web/types/project/dashboard/subscription.ts
+++ b/services/web/types/project/dashboard/subscription.ts
@@ -37,4 +37,11 @@ type PaidSubscription =
   | GroupPlanSubscription
   | CommonsPlanSubscription
 
-export type Subscription = FreeSubscription | PaidSubscription
+export type StandaloneAiAddOnSubscription = {
+  type: 'standalone-ai-add-on'
+}
+
+export type Subscription =
+  | FreeSubscription
+  | PaidSubscription
+  | StandaloneAiAddOnSubscription