Bedrock .NET SDK not working and Opus not apparently supported

Question

Hi, I'm trying to build against the .NET Bedrock SDK, and trying the code at https://docs.aws.amazon.com/sdk-for-net/v3/developer-guide/csharp_bedrock-runtime_code_examples.html for anthropic 3 models, and having a few issues

1. When I call the *streaming* code in the `InvokeClaudeWithResponseStreamAsync`, when I get to the line `yield return await buffer.Reader.ReadAsync(cancellationToken);` it simply never returns
2. When I call the *non-streaming* code in `InvokeClaudeAsync` I get an error `Please use the Messages API instead`. The only references I can find specifically for the Messages API are in Python and CLI
3. When I try to call opus, I get told the model is not supported, which is confirmed when I call `(AmazonBedrockClient).ListFoundationModelsAsync`, however we can call it via Typescript `BedrockRuntimeClient`

Is this documentation out of date or incomplete, or am I doing something wrong?

Thanks

Answer

As I stated in the question, I can access Opus on our account via Typescript or Python, just not the .NET SDK, which is what the question was asking.

Until the .NET SDK is working it's unusable to me on our NSB backend

Answer

hi John,

Amazon Bedrock supports foundation models (FMs) from various providers including, [Amazon](https://docs.aws.amazon.com/bedrock/latest/userguide/titan-models.html), [Anthropic](https://console.anthropic.com/docs), [AI21 Labs](https://docs.ai21.com/), [Cohere](https://docs.cohere.com/docs), [Meta](https://ai.meta.com/llama/get-started), [Mistral](https://docs.mistral.ai/), and [Stability AI](https://platform.stability.ai/docs/getting-started) with more to come.
You must [request access to a model](https://docs.aws.amazon.com/bedrock/latest/userguide/model-access.html) before you can use it.

Please confirm you've enabled the model from the AWS Console.

Bedrock .NET SDK not working and Opus not apparently supported

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