diff --git a/CHANGELOG.md b/CHANGELOG.md
index f855a37a8..edf8529a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Release History
 
-## 2.0.0-beta.8 (2024-07-30)
+## 2.0.0-beta.8 (2024-07-31)
 
 ### Breaking Changes
 
diff --git a/examples/ClientExamples.cs b/examples/ClientExamples.cs
index 798d9ef3e..dff74f119 100644
--- a/examples/ClientExamples.cs
+++ b/examples/ClientExamples.cs
@@ -14,7 +14,7 @@ public partial class ClientExamples
     [Test]
     public void CreateChatClient()
     {
-        ChatClient client = new("gpt-3.5-turbo", Environment.GetEnvironmentVariable("OPENAI_API_KEY"));
+        ChatClient client = new("gpt-4o", Environment.GetEnvironmentVariable("OPENAI_API_KEY"));
     }
 
     [Test]
diff --git a/tests/Assistants/AssistantTests.cs b/tests/Assistants/AssistantTests.cs
index 73cbca4b9..4aab667ee 100644
--- a/tests/Assistants/AssistantTests.cs
+++ b/tests/Assistants/AssistantTests.cs
@@ -776,7 +776,7 @@ public async Task Pagination_CanRehydrateAssistantPageCollectionFromBytes()
         // Create assistant collection
         for (int i = 0; i < 10; i++)
         {
-            Assistant assistant = client.CreateAssistant("gpt-3.5-turbo", new AssistantCreationOptions()
+            Assistant assistant = client.CreateAssistant("gpt-4o-mini", new AssistantCreationOptions()
             {
                 Name = $"Test Assistant {i}"
             });
@@ -834,7 +834,7 @@ public async Task Pagination_CanRehydrateAssistantPageCollectionFromPageToken()
         // Create assistant collection
         for (int i = 0; i < 10; i++)
         {
-            Assistant assistant = client.CreateAssistant("gpt-3.5-turbo", new AssistantCreationOptions()
+            Assistant assistant = client.CreateAssistant("gpt-4o-mini", new AssistantCreationOptions()
             {
                 Name = $"Test Assistant {i}"
             });
@@ -890,7 +890,7 @@ public async Task Pagination_CanCastAssistantPageCollectionToConvenienceFromProt
         // Create assistant collection
         for (int i = 0; i < 10; i++)
         {
-            Assistant assistant = client.CreateAssistant("gpt-3.5-turbo", new AssistantCreationOptions()
+            Assistant assistant = client.CreateAssistant("gpt-4o-mini", new AssistantCreationOptions()
             {
                 Name = $"Test Assistant {i}"
             });