diff --git a/addons/mass_mailing/models/mailing.py b/addons/mass_mailing/models/mailing.py
index 393743155f4..25e5f271d58 100644
--- a/addons/mass_mailing/models/mailing.py
+++ b/addons/mass_mailing/models/mailing.py
@@ -793,7 +793,7 @@ class MassMailing(models.Model):
             'type': 'ir.actions.act_window',
             'view_mode': 'tree,kanban,form,calendar,graph',
             'res_model': 'mailing.mailing',
-            'domain': [('campaign_id', '=', self.campaign_id.id), ('ab_testing_enabled', '=', True)],
+            'domain': [('campaign_id', '=', self.campaign_id.id), ('ab_testing_enabled', '=', True), ('mailing_type', '=', self.mailing_type)],
         }
         if self.mailing_type == 'mail':
             action['views'] = [
diff --git a/addons/mass_mailing/tests/test_mailing_ab_testing.py b/addons/mass_mailing/tests/test_mailing_ab_testing.py
index da89ee73e47..5d950598088 100644
--- a/addons/mass_mailing/tests/test_mailing_ab_testing.py
+++ b/addons/mass_mailing/tests/test_mailing_ab_testing.py
@@ -132,6 +132,16 @@ class TestMailingABTesting(MassMailCommon):
         self.assertTrue(ab_mailing.ab_testing_winner_selection, "The selection winner has been set to default value")
         self.assertTrue(ab_mailing.ab_testing_schedule_datetime, "The schedule date has been set to default value")
 
+    @users('user_marketing')
+    def test_mailing_ab_testing_compare(self):
+        # compare version feature should returns all mailings of the same
+        # campaign having a/b testing enabled.
+        compare_version = self.ab_testing_mailing_1.action_compare_versions()
+        self.assertEqual(
+            self.env['mailing.mailing'].search(compare_version.get('domain')),
+            self.ab_testing_mailing_1 + self.ab_testing_mailing_2
+        )
+
     @mute_logger('odoo.addons.mail.models.mail_mail')
     @users('user_marketing')
     def test_mailing_ab_testing_manual_flow(self):
diff --git a/addons/mass_mailing_sms/tests/__init__.py b/addons/mass_mailing_sms/tests/__init__.py
index d5339f146a7..9e64be10168 100644
--- a/addons/mass_mailing_sms/tests/__init__.py
+++ b/addons/mass_mailing_sms/tests/__init__.py
@@ -4,3 +4,4 @@
 from . import common
 from . import test_mailing_internals
 from . import test_mailing_retry
+from . import test_mailing_sms_ab_testing
diff --git a/addons/mass_mailing_sms/tests/test_mailing_sms_ab_testing.py b/addons/mass_mailing_sms/tests/test_mailing_sms_ab_testing.py
new file mode 100644
index 00000000000..1282d80db72
--- /dev/null
+++ b/addons/mass_mailing_sms/tests/test_mailing_sms_ab_testing.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from datetime import datetime
+
+from odoo.addons.mass_mailing_sms.tests.common import MassSMSCommon
+from odoo.addons.mass_mailing.tests.test_mailing_ab_testing import TestMailingABTesting
+from odoo.tests import tagged
+
+
+@tagged('post_install', '-at_install')
+class TestMailingSMSABTesting(MassSMSCommon, TestMailingABTesting):
+    def setUp(self):
+        super().setUp()
+        self.ab_testing_mailing_sms_1 = self.env['mailing.mailing'].create({
+            'subject': 'A/B Testing SMS V1',
+            'contact_list_ids': self.mailing_list.ids,
+            'ab_testing_enabled': True,
+            'ab_testing_pc': 10,
+            'ab_testing_schedule_datetime': datetime.now(),
+            'mailing_type': 'sms'
+        })
+        self.ab_testing_mailing_sms_2 = self.ab_testing_mailing_sms_1.copy({
+            'subject': 'A/B Testing SMS V2',
+            'ab_testing_pc': 20,
+        })
+
+    def test_mailing_sms_ab_testing_compare(self):
+        # compare version feature should returns all mailings of the same
+        # campaign having a/b testing enabled and of mailing_type 'sms'.
+        compare_version = self.ab_testing_mailing_sms_1.action_compare_versions()
+        self.assertEqual(
+            self.env['mailing.mailing'].search(compare_version.get('domain')),
+            self.ab_testing_mailing_sms_1 + self.ab_testing_mailing_sms_2
+        )