Anthropic Claude 3 - Sonnet - Access Denied Error

Question

I was granted to use Claude 3 Sonnet on Bedrock today (shows up as "Access granted" in my Model Access Bedrock page).  In my JS code which was working fine, I merely replaced my "modelID" value of "anthropic.claude-v2:1" with "anthropic.claude-3-sonnet-20240229-v1:0"  - I'm getting an "AccessDeniedException:  You don't have access to the model with the specified model ID."   But I do have access from the Bedrock model access page.   Anyone have suggestions on how to troubleshoot?  Everything was working with version 2.1.

Riku_Kobayashi · Accepted Answer

Hello.

Is the region specified in the JavaScript code correct?  
I believe Claude 3 Sonnet is currently only available in us-east-1 and us-west-2.(When I checked from the management console, I was able to enable it only in us-east-1 and us-west-2.)  
Also, is Claude 3 Sonnet enabled in the correct region?

Didier_Durand · Answer

Hi,

You may face the same issue as me: for Claude v2.1, I was using InvokeModel API. For Claude v3 Sonnet, Messages API is required.

Otherwise, you'll get something like this (in Python):

```
exception:  - message:An error occurred 
(ValidationException) when calling the InvokeModel operation: "claude-3-sonnet-20240229"
 is not supported on this API. Please use the Messages API instead.
```

Best,

Didier

DJL · Answer

Thanks Didier and Riku.  Riku that was it - thanks.  I had enabled it in US East, but my code is using US West.   Didier, also need refactor to Messages API as I got the same error after.  Thanks for the answer!

Arvi · Answer

Hi, I [could not find any docs on messages API in Golang SDK](https://docs.aws.amazon.com/bedrock/latest/userguide/bedrock-runtime_example_bedrock-runtime_Claude3_Text_section.html) - `bedrockruntime`.
The [native anthropic API requires API_KEY](https://docs.anthropic.com/claude/reference/messages_post) and I wish to work with AWS bedrock service to use it in Golang

Previously I was using [v2.1 which had huge response times](https://docs.aws.amazon.com/bedrock/latest/userguide/bedrock-runtime_example_bedrock-runtime_InvokeModelWithResponseStream_section.html) and I was eagerly waiting for v3 but seems like I can't directly switch to it.

Anthropic Claude 3 - Sonnet - Access Denied Error

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