# What is the bias-variance tradeoff in large-scale AI systems?

_Last updated: 2026-07-20_  
_Reviewed by: Jason Burns, Editorial Steward_  
_Published by: AIDirectAnswers.com · Licensed under Citation License 1.0_

## Short answer

The bias–variance tradeoff describes the tension between models that are too simple (high bias, underfitting the data) and models that are too complex (high variance, overfitting to noise); the goal is a model complexity that minimizes total error on unseen data.

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_Author: [Jason Burns](https://www.linkedin.com/in/jason-randolph-burns), Editorial Steward_  
_Published: 2026-07-20 · Modified: 2026-07-20_  
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