diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/ChatResponseFormatJson.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/ChatResponseFormatJson.cs
index e26c769ca62..23b6ff635a8 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/ChatResponseFormatJson.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/ChatResponseFormatJson.cs
@@ -55,5 +55,6 @@ public override int GetHashCode() =>
         typeof(ChatResponseFormatJson).GetHashCode();
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay => Schema ?? "JSON";
 }
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/RequiredChatToolMode.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/RequiredChatToolMode.cs
index ef410ba24db..74858dfe89b 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/RequiredChatToolMode.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/ChatCompletion/RequiredChatToolMode.cs
@@ -47,6 +47,7 @@ public RequiredChatToolMode(string? requiredFunctionName)
     // Equals/GetHashCode as well, which they likely won't.
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay => $"Required: {RequiredFunctionName ?? "Any"}";
 
     /// <inheritdoc/>
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/DataContent.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/DataContent.cs
index e677bdcf36b..39d610a6dcb 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/DataContent.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/DataContent.cs
@@ -196,6 +196,7 @@ public ReadOnlyMemory<byte>? Data
     }
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay
     {
         get
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionCallContent.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionCallContent.cs
index ea3458fb5b6..b42c41e7cc8 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionCallContent.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionCallContent.cs
@@ -97,6 +97,7 @@ public static FunctionCallContent CreateFromParsedArguments<TEncoding>(
     }
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay
     {
         get
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionResultContent.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionResultContent.cs
index b05553f16b8..2c9778e1d03 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionResultContent.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/FunctionResultContent.cs
@@ -69,6 +69,7 @@ public FunctionResultContent(string callId, string name, object? result)
     public Exception? Exception { get; set; }
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay
     {
         get
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/UsageContent.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/UsageContent.cs
index 22d86bd97cb..16e9d08b324 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/UsageContent.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Contents/UsageContent.cs
@@ -38,5 +38,6 @@ public UsageDetails Details
     }
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     private string DebuggerDisplay => _details.DebuggerDisplay;
 }
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/UsageDetails.cs b/src/Libraries/Microsoft.Extensions.AI.Abstractions/UsageDetails.cs
index f12ed819a6e..1e836da5045 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/UsageDetails.cs
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/UsageDetails.cs
@@ -23,6 +23,7 @@ public class UsageDetails
     public AdditionalPropertiesDictionary? AdditionalProperties { get; set; }
 
     /// <summary>Gets a string representing this instance to display in the debugger.</summary>
+    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
     internal string DebuggerDisplay
     {
         get