Why was I billed for Bedrock even though I had AWS credits?

September 3, 2026 3 answers
Asked by MellowCedar27
I received three AWS credit grants, and each one listed these applicable products: Amazon Bedrock, Amazon Bedrock AgentCore, Amazon Bedrock Service, Amazon Bedrock Managed Knowledge Base, and AmazonBedrockFoundationModels. I used Bedrock with Claude Sonnet 4.6 and Claude Haiku 4.5, but the usage still appeared on my bill. I'm wondering whether these credits only apply to Amazon's own models, such as Nova, and exclude third-party models from providers like Anthropic. What's the best way to verify exactly which Bedrock models and charges my specific credits cover?

Answers

QuietOrbit5
The likely issue is that Claude models are third-party models. AWS credits often cover Amazon-owned foundation models, such as Nova, but donโ€™t automatically cover models from providers like Anthropic. The product name on the credit grant alone may not tell you which individual models are eligible.
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SilverPanda8
Claude Sonnet and Haiku are probably what caused the charge. Unless the grant explicitly includes Anthropic or third-party foundation models, assume those requests arenโ€™t covered. AWS Support or the organization that issued the credits should be able to confirm the model-level coverage.
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AmberKite42
Eligibility depends on the terms attached to each credit grant. Some credits may include certain third-party Bedrock models, while others are limited to particular services or model providers. Check the original grant documentation for exclusions, and open a billing support case so AWS can review the exact credit IDs and the charges that were generated.
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