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Knowledge Distillation

Knowledge distillation trains a small student model to copy a larger teacher, treating the teacher's soft probability distribution (or internal features) as a richer training signal than hard labels. A student trained this way usually outperforms an identical model trained from scratch on the same data, because the soft targets carry the teacher's learned similarity structure. AI, ML, and GenAI engineer interviews probe it because it is the main lever for compressing a capable model into something cheap to serve, and because reasoning distillation and the legal terms around teacher outputs are live issues in 2026.

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