TCP #61: The Real Cost-Benefit Analysis: MLOps on EKS vs. SageMaker
Decision frameworks and implementation strategies you won't find in AWS documentation
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After rebuilding our machine learning platform three times in 18 months, we've gained hard-earned clarity on one of the most consequential infrastructure decisions ML teams face: Amazon SageMaker vs. Kubernetes (EKS).
The headline numbers are attention-grabbing: EKS saved us $237,000 annually compared to SageMaker, but adequately implementing it cost us 4 months of engineering time.
But the real story is far more nuanced.
In this deep dive, I'll share the decision frameworks, implementation details, and hidden cost factors that AWS solutions architects won't tell you about.

True Economics: Beyond Instance Pricing
When we initially compared SageMaker to EKS, the cost differential appeared straightforward: SageMaker instances run 2.3-3.8x more expensive than equivalent EC2 instances in an EKS cluster.
However, this simple comparison misses crucial factors that can completely invert the economic equation.
The Complete Cost Analysis
Here's our actual monthly cost breakdown for a team of 4 data scientists:
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