If you recently tried to invoke an Anthropic Claude model through Amazon Bedrock and hit a cryptic ValidationException, you are not alone. A policy change introduced in October 2025 significantly altered who can access Claude models via Bedrock and many developers and teams have been caught off guard. Here is what happened and what you can do about it.
Amazon Bedrock Joins the Authorized Resale Program
AWS published a blogpost on October 14, 2025, saying that Amazon Bedrock had been added to the AWS Authorized Services List. This meant that AWS Channel Partners (Solution Providers and Distributors) could now sell it. At first glance, this sounded like good news: more distribution and more options.
Today, we’re excited to announce that Amazon Bedrock joins our Authorized Services List and is now available for resale by our AWS Channel Partners. Partners in the AWS Solution Provider and AWS Distribution programs can expand their AI portfolio by reselling Amazon Bedrock, which includes models from industry-leading providers: AI21, Anthropic*, Cohere, DeepSeek, Luma AI, Meta, Mistral, OpenAI, Stability AI, TwelveLabs, and Amazon (Nova and Amazon Titan).
However, buried in that announcement was a small but significant asterisk next to Anthropic in the list of supported model providers:
Resale of Anthropic models subject to certain limitations.
https://aws.amazon.com/blogs/apn/amazon-bedrock-now-available-for-partner-resale/
That footnote has real consequences for a large number of AWS accounts.
What the Error Actually Means
If your AWS account was issued or resold by a Channel Partner that does not have a direct partnership with Anthropic, you will now receive the following error when attempting to use any Claude model via Bedrock:
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ValidationException Access to this model is not available for channel program accounts. Reach out to your AWS Solution Provider or AWS Distributor for more information. |
This is not a permissions issue you can fix by adjusting IAM policies or enabling model access in the Bedrock console. There is no documented workaround for this structural restriction that is applied at the account level.
Why This Affects Some Accounts and Not Others
The restriction only applies to AWS accounts that Channel Partners manage or issue and are part of the AWS resale program but do not have a separate partnership with Anthropic. In other words: not all AWS partners are Anthropic partners, and that distinction now matters directly for your ability to use Claude models.
If your account was created directly through AWS (not via a Channel Partner), or if your reseller holds both an AWS Channel Partner status and an Anthropic partnership, you are unlikely to encounter this issue.
How to Resolve It
The solution is straightforward in principle, though it may require some account migration work in practice. To access Anthropic Claude models through Amazon Bedrock without restriction, your AWS account needs to be issued or managed by a partner that holds both an Amazon Bedrock Resale authorization and a direct Anthropic partnership.
A Note on Partner Selection
When evaluating AWS partners going forward, it is worth asking directly: are you both an Amazon Bedrock Resale Partner and an Anthropic Partner? This combination is what ensures uninterrupted access to the full Claude model family as AWS continues to expand its partner resale program.
Kloia has both of these permissions and has been helping teams through this change. If you're not sure about your current setup or need help moving your account, don't hesitate to get in touch.