diff --git a/eng/packages/General.props b/eng/packages/General.props
index 503e2c1c321..81c29dabff3 100644
--- a/eng/packages/General.props
+++ b/eng/packages/General.props
@@ -32,6 +32,7 @@
     <PackageVersion Include="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />
+    <PackageVersion Include="System.Linq.AsyncEnumerable" Version="10.0.0" />
     <PackageVersion Include="System.Memory" Version="4.5.5" />
     <PackageVersion Include="System.Private.Uri" Version="4.3.2" />
     <PackageVersion Include="System.Runtime.Caching" Version="$(SystemRuntimeCachingVersion)" />
diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion/Microsoft.Extensions.DataIngestion.csproj b/src/Libraries/Microsoft.Extensions.DataIngestion/Microsoft.Extensions.DataIngestion.csproj
index b7515183a86..8df401df7fd 100644
--- a/src/Libraries/Microsoft.Extensions.DataIngestion/Microsoft.Extensions.DataIngestion.csproj
+++ b/src/Libraries/Microsoft.Extensions.DataIngestion/Microsoft.Extensions.DataIngestion.csproj
@@ -28,4 +28,8 @@
     <PackageReference Include="System.Numerics.Tensors" />
   </ItemGroup>
 
+  <ItemGroup Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net10.0'))">
+    <PackageReference Include="System.Linq.AsyncEnumerable" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion/Utils/Batching.cs b/src/Libraries/Microsoft.Extensions.DataIngestion/Utils/Batching.cs
index b210019401b..a3ec04ab088 100644
--- a/src/Libraries/Microsoft.Extensions.DataIngestion/Utils/Batching.cs
+++ b/src/Libraries/Microsoft.Extensions.DataIngestion/Utils/Batching.cs
@@ -3,9 +3,7 @@
 
 using System;
 using System.Collections.Generic;
-#if NET10_0_OR_GREATER
 using System.Linq;
-#endif
 using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
@@ -69,40 +67,4 @@ internal static async IAsyncEnumerable<IngestionChunk<string>> ProcessAsync<TMet
             }
         }
     }
-
-#if !NET10_0_OR_GREATER
-#pragma warning disable VSTHRD200 // Use "Async" suffix for async methods
-    private static IAsyncEnumerable<TSource[]> Chunk<TSource>(this IAsyncEnumerable<TSource> source, int count)
-#pragma warning restore VSTHRD200 // Use "Async" suffix for async methods
-    {
-        _ = Throw.IfNull(source);
-        _ = Throw.IfLessThanOrEqual(count, 0);
-
-        return CoreAsync(source, count);
-
-        static async IAsyncEnumerable<TSource[]> CoreAsync(IAsyncEnumerable<TSource> source, int count,
-            [EnumeratorCancellation] CancellationToken cancellationToken = default)
-        {
-            var buffer = new TSource[count];
-            int index = 0;
-
-            await foreach (var item in source.WithCancellation(cancellationToken).ConfigureAwait(false))
-            {
-                buffer[index++] = item;
-
-                if (index == count)
-                {
-                    index = 0;
-                    yield return buffer;
-                }
-            }
-
-            if (index > 0)
-            {
-                Array.Resize(ref buffer, index);
-                yield return buffer;
-            }
-        }
-    }
-#endif
 }
diff --git a/src/ProjectTemplates/GeneratedContent.targets b/src/ProjectTemplates/GeneratedContent.targets
index 9014b892d98..dae263896a1 100644
--- a/src/ProjectTemplates/GeneratedContent.targets
+++ b/src/ProjectTemplates/GeneratedContent.targets
@@ -54,7 +54,7 @@
       <TemplatePackageVersion_OllamaSharp>5.4.8</TemplatePackageVersion_OllamaSharp>
       <TemplatePackageVersion_OpenTelemetry>1.13.0</TemplatePackageVersion_OpenTelemetry>
       <TemplatePackageVersion_PdfPig>0.1.11</TemplatePackageVersion_PdfPig>
-      <TemplatePackageVersion_SystemLinqAsync>6.0.3</TemplatePackageVersion_SystemLinqAsync>
+      <TemplatePackageVersion_SystemLinqAsyncEnumerable>10.0.0</TemplatePackageVersion_SystemLinqAsyncEnumerable>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -83,7 +83,7 @@
         TemplatePackageVersion_OllamaSharp=$(TemplatePackageVersion_OllamaSharp);
         TemplatePackageVersion_OpenTelemetry=$(TemplatePackageVersion_OpenTelemetry);
         TemplatePackageVersion_PdfPig=$(TemplatePackageVersion_PdfPig);
-        TemplatePackageVersion_SystemLinqAsync=$(TemplatePackageVersion_SystemLinqAsync);
+        TemplatePackageVersion_SystemLinqAsyncEnumerable=$(TemplatePackageVersion_SystemLinqAsyncEnumerable);
 
         <!-- Other properties -->
         LocalChatTemplateVariant=$(_LocalChatTemplateVariant);
diff --git a/src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/ChatWithCustomData/ChatWithCustomData-CSharp.Web/ChatWithCustomData-CSharp.Web.csproj.in b/src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/ChatWithCustomData/ChatWithCustomData-CSharp.Web/ChatWithCustomData-CSharp.Web.csproj.in
index 9368b96356f..d10c4cafd7e 100644
--- a/src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/ChatWithCustomData/ChatWithCustomData-CSharp.Web/ChatWithCustomData-CSharp.Web.csproj.in
+++ b/src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/ChatWithCustomData/ChatWithCustomData-CSharp.Web/ChatWithCustomData-CSharp.Web.csproj.in
@@ -40,7 +40,7 @@
     <PackageReference Include="Microsoft.ML.Tokenizers.Data.Cl100kBase" Version="${TemplatePackageVersion_MicrosoftMLTokenizers}" />
     <PackageReference Include="Microsoft.ML.Tokenizers.Data.O200kBase" Version="${TemplatePackageVersion_MicrosoftMLTokenizers}" />
 <!--#if (IsNET9) -->
-    <PackageReference Include="System.Linq.Async" Version="${TemplatePackageVersion_SystemLinqAsync}" />
+    <PackageReference Include="System.Linq.AsyncEnumerable" Version="${TemplatePackageVersion_SystemLinqAsyncEnumerable}" />
 <!--#endif -->
 <!--#if (IsAzureAISearch && IsAspire)
     <PackageReference Include="Aspire.Azure.Search.Documents" Version="${TemplatePackageVersion_Aspire}" />
diff --git a/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/DistributedCachingChatClientTest.cs b/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/DistributedCachingChatClientTest.cs
index 4b6f9bc87e6..64a83a35d7d 100644
--- a/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/DistributedCachingChatClientTest.cs
+++ b/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/DistributedCachingChatClientTest.cs
@@ -276,7 +276,7 @@ public async Task StreamingCachesSuccessResultsAsync(bool conversationIdSet)
             GetStreamingResponseAsyncCallback = delegate
             {
                 innerCallCount++;
-                return ToAsyncEnumerableAsync(actualUpdate);
+                return actualUpdate.ToAsyncEnumerable();
             }
         };
         using var outer = new DistributedCachingChatClient(testClient, _storage)
@@ -320,7 +320,7 @@ public async Task StreamingCoalescesConsecutiveTextChunksAsync(bool? coalesce)
 
         using var testClient = new TestChatClient
         {
-            GetStreamingResponseAsyncCallback = delegate { return ToAsyncEnumerableAsync(expectedResponse); }
+            GetStreamingResponseAsyncCallback = delegate { return expectedResponse.ToAsyncEnumerable(); }
         };
         using var outer = new DistributedCachingChatClient(testClient, _storage)
         {
@@ -398,7 +398,7 @@ public async Task StreamingCoalescingPropagatesMetadataAsync()
 
         using var testClient = new TestChatClient
         {
-            GetStreamingResponseAsyncCallback = delegate { return ToAsyncEnumerableAsync(expectedResponse); }
+            GetStreamingResponseAsyncCallback = delegate { return expectedResponse.ToAsyncEnumerable(); }
         };
         using var outer = new DistributedCachingChatClient(testClient, _storage)
         {
@@ -772,9 +772,6 @@ private static async Task<List<T>> ToListAsync<T>(IAsyncEnumerable<T> values)
         return result;
     }
 
-    private static IAsyncEnumerable<T> ToAsyncEnumerableAsync<T>(IEnumerable<T> values)
-        => ToAsyncEnumerableAsync(Task.CompletedTask, values);
-
     private static IAsyncEnumerable<T> ToAsyncEnumerableAsync<T>(Task preTask, IEnumerable<T> valueFactories)
         => ToAsyncEnumerableAsync(preTask, valueFactories.Select<T, Func<T>>(v => () => v));
 
diff --git a/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/ReducingChatClientTests.cs b/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/ReducingChatClientTests.cs
index 82b00df03ff..af505609032 100644
--- a/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/ReducingChatClientTests.cs
+++ b/test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/ReducingChatClientTests.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
@@ -61,7 +62,7 @@ public async Task GetResponseAsync_CallsReducerBeforeInnerClient(bool streaming)
             {
                 // Verify that the inner client receives the reduced messages
                 Assert.Same(reducedMessages, messages);
-                return ToAsyncEnumerable(expectedUpdates);
+                return expectedUpdates.ToAsyncEnumerable();
             }
         };
 
@@ -163,15 +164,6 @@ public async Task UseChatReducer_WithConfigureCallback()
         Assert.IsType<ReducingChatClient>(configuredClient);
     }
 
-    private static async IAsyncEnumerable<T> ToAsyncEnumerable<T>(IEnumerable<T> items)
-    {
-        foreach (var item in items)
-        {
-            await Task.Yield();
-            yield return item;
-        }
-    }
-
     private sealed class TestReducer : IChatReducer
     {
         public IEnumerable<ChatMessage>? ReducedMessages { get; set; }
diff --git a/test/Libraries/Microsoft.Extensions.AI.Tests/Microsoft.Extensions.AI.Tests.csproj b/test/Libraries/Microsoft.Extensions.AI.Tests/Microsoft.Extensions.AI.Tests.csproj
index d06b423a504..f70d9dbc75f 100644
--- a/test/Libraries/Microsoft.Extensions.AI.Tests/Microsoft.Extensions.AI.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.AI.Tests/Microsoft.Extensions.AI.Tests.csproj
@@ -31,6 +31,10 @@
     <PackageReference Include="OpenTelemetry.Exporter.InMemory" />
   </ItemGroup>
 
+  <ItemGroup Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net10.0'))">
+    <PackageReference Include="System.Linq.AsyncEnumerable" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.Testing\Microsoft.Extensions.Diagnostics.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.AI.Abstractions\Microsoft.Extensions.AI.Abstractions.csproj" />
diff --git a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/DocumentChunkerTests.cs b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/DocumentChunkerTests.cs
index fcb8e795c90..4b64c6ea8e0 100644
--- a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/DocumentChunkerTests.cs
+++ b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/DocumentChunkerTests.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Xunit;
 
diff --git a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/HeaderChunkerTests.cs b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/HeaderChunkerTests.cs
index 80803d3d62d..d82b7ae562e 100644
--- a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/HeaderChunkerTests.cs
+++ b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Chunkers/HeaderChunkerTests.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.ML.Tokenizers;
 using Xunit;
diff --git a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Utils/IAsyncEnumerableExtensions.cs b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Utils/IAsyncEnumerableExtensions.cs
deleted file mode 100644
index bb30b585233..00000000000
--- a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Utils/IAsyncEnumerableExtensions.cs
+++ /dev/null
@@ -1,63 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Microsoft.Extensions.DataIngestion;
-
-// Once .NET 10 is shipped, we are going to switch to System.Linq.AsyncEnumerable.
-internal static class IAsyncEnumerableExtensions
-{
-    internal static async IAsyncEnumerable<T> ToAsyncEnumerable<T>(this IEnumerable<T> source)
-    {
-        foreach (T item in source)
-        {
-            await Task.Yield();
-            yield return item;
-        }
-    }
-
-    internal static async ValueTask<int> CountAsync<T>(this IAsyncEnumerable<T> source)
-    {
-        int count = 0;
-        await foreach (T _ in source)
-        {
-            count++;
-        }
-
-        return count;
-    }
-
-    internal static async ValueTask<T> SingleAsync<T>(this IAsyncEnumerable<T> source)
-    {
-        bool found = false;
-        T result = default!;
-        await foreach (T item in source)
-        {
-            if (found)
-            {
-                throw new InvalidOperationException();
-            }
-
-            result = item;
-            found = true;
-        }
-
-        return found
-            ? result
-            : throw new InvalidOperationException();
-    }
-
-    internal static async ValueTask<List<T>> ToListAsync<T>(this IAsyncEnumerable<T> source)
-    {
-        List<T> list = [];
-        await foreach (var item in source)
-        {
-            list.Add(item);
-        }
-
-        return list;
-    }
-}
diff --git a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Writers/VectorStoreWriterTests.cs b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Writers/VectorStoreWriterTests.cs
index bafdc93fabe..d64eb990176 100644
--- a/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Writers/VectorStoreWriterTests.cs
+++ b/test/Libraries/Microsoft.Extensions.DataIngestion.Tests/Writers/VectorStoreWriterTests.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.Extensions.VectorData;
 using Xunit;