Bedrock vs Self-Hosted LLMs on EKS: The Break-Even Math
When do your own GPUs beat Amazon Bedrock for the same open-weight model? Official AWS prices, the tokens per second you need to break even, and the Karpenter and vLLM config to test it. By Evgeny Anikiev, AWS-certified DevOps engineer with 10+ years running build automation, CI/CD, and Kubernetes in production. Prices pulled from the AWS Price List API on October 23, 2026 (US East, N. Virginia,…
To determine when self-hosted LLMs on EKS become cheaper than Amazon Bedrock, you need to analyze the costs based on tokens processed and the availability of GPUs. The key factors are the per-token prices for Bedrock and the per-hour prices for self-hosted models, along with the required token processing rates to break even.
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