Entropy, Cross-Entropy, and KL Divergence in LLM Training

📰 Medium · Deep Learning

Learn to calculate entropy, cross-entropy, and KL divergence in LLM training for better model evaluation and optimization

intermediate Published 6 Jul 2026
Action Steps
  1. Calculate entropy using the softmax function to measure model uncertainty
  2. Compute cross-entropy to evaluate model performance on a given dataset
  3. Apply KL divergence to measure the difference between two probability distributions
  4. Run the provided code blocks independently to practice these calculations
  5. Visualize the results to compare model performance and optimize hyperparameters
Who Needs to Know This

Data scientists and machine learning engineers can benefit from understanding these concepts to improve their LLM models

Key Insight

💡 Entropy, cross-entropy, and KL divergence are essential metrics for evaluating and optimizing LLM models

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🤖 Understand entropy, cross-entropy, and KL divergence to boost your LLM training! 🚀

Key Takeaways

Learn to calculate entropy, cross-entropy, and KL divergence in LLM training for better model evaluation and optimization

Full Article

Each code block in this article is self-contained and can be run independently — that is why a few helper functions (softmax… Continue reading on Towards AI »
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