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.NET: Change sample to use official Anthropic C# package #2471

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Merged
stephentoub merged 2 commits into from
Nov 28, 2025
Merged

.NET: Change sample to use official Anthropic C# package #2471

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fd19975
Change sample to use official Anthropic C# package
stephentoub Nov 26, 2025
841533a
Merge branch 'main' into anthropicsample
rogerbarreto Nov 28, 2025
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1 change: 0 additions & 1 deletion dotnet/Directory.Packages.props
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Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,6 @@
<!-- MCP -->
<PackageVersion Include="ModelContextProtocol" Version="0.4.0-preview.3" />
<!-- Inference SDKs -->
<PackageVersion Include="Anthropic.SDK" Version="5.8.0" />
<PackageVersion Include="AWSSDK.Extensions.Bedrock.MEAI" Version="4.0.4.6" />
<PackageVersion Include="Microsoft.ML.OnnxRuntimeGenAI" Version="0.10.0" />
<PackageVersion Include="OllamaSharp" Version="5.4.8" />
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2 changes: 1 addition & 1 deletion ...s/GettingStarted/Workflows/_Foundational/05_MultiModelService/05_MultiModelService.csproj
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Expand Up @@ -9,7 +9,7 @@
</PropertyGroup>

<ItemGroup>
<PackageReference Include="Anthropic.SDK" />
<PackageReference Include="Anthropic" />
<PackageReference Include="AWSSDK.Extensions.Bedrock.MEAI" />
<PackageReference Include="Microsoft.Extensions.AI.OpenAI" />
</ItemGroup>
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17 changes: 7 additions & 10 deletions dotnet/samples/GettingStarted/Workflows/_Foundational/05_MultiModelService/Program.cs
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Expand Up @@ -12,19 +12,16 @@
IChatClient aws = new AmazonBedrockRuntimeClient(
Environment.GetEnvironmentVariable("BEDROCK_ACCESSKEY"!),
Environment.GetEnvironmentVariable("BEDROCK_SECRETACCESSKEY")!,
Amazon.RegionEndpoint.USEast1).AsIChatClient("amazon.nova-pro-v1:0");
Amazon.RegionEndpoint.USEast1)
.AsIChatClient("amazon.nova-pro-v1:0");

IChatClient anthropic = new Anthropic.SDK.AnthropicClient(
Environment.GetEnvironmentVariable("ANTHROPIC_APIKEY")!).Messages.AsBuilder()
.ConfigureOptions(o =>
{
o.ModelId ??= "claude-sonnet-4-20250514";
o.MaxOutputTokens ??= 10 * 1024;
})
.Build();
IChatClient anthropic = new Anthropic.AnthropicClient(
new() { APIKey = Environment.GetEnvironmentVariable("ANTHROPIC_APIKEY") })
.AsIChatClient("claude-sonnet-4-20250514");

IChatClient openai = new OpenAI.OpenAIClient(
Environment.GetEnvironmentVariable("OPENAI_APIKEY")!).GetChatClient("gpt-4o-mini").AsIChatClient();
Environment.GetEnvironmentVariable("OPENAI_APIKEY")!).GetChatClient("gpt-4o-mini")
.AsIChatClient();

// Define our agents.
AIAgent researcher = new ChatClientAgent(aws,
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