LLM Pruning and Distillation in Practice: The Minitron Approach
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Abstract (arXiv)
We present a comprehensive report on compressing the Llama 3.1 8B and Mistral NeMo 12B models to 4B and 8B parameters, respectively, using pruning and distillation. We explore two distinct pruning strategies: (1) depth pruning and (2) joint hidden/attention/MLP (width) pruning, and evaluate the results on common benchmarks from the LM Evaluation Harness. The models are then aligned with NeMo Aligner and tested in instruct-tuned versions. This approach produces a compelling 4B model from Llama 3.1 8B and a state-of-the-art Mistral-NeMo-Minitron-8B (MN-Minitron-8B for brevity) model from Mistral NeMo 12B. We found that with no access to the original data, it is beneficial to slightly fine-tune teacher models on the distillation dataset. We open-source our base model weights on Hugging Face with a permissive license.
Key facts. Cited by 82 papers in the map (data through 7 Oct 2026). Builds on 21 of its 34 references that are in the map. First posted on arXiv 21 Aug 2024.
Builds on
21 of 34 references.
References · 21
- 2024The Llama 3 Herd of Modelscited by 14,192
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- 2015Distilling the Knowledge in a Neural Networkcited by 10,076
- 2021Training Verifiers to Solve Math Word Problemscited by 9,743
- 2023Judging LLM-as-a-Judge with MT-Bench and Chatbot Arenacited by 8,393
- 2021Evaluating Large Language Models Trained on Codecited by 8,053
- 2020Measuring Massive Multitask Language Understandingcited by 7,768
- 2016Layer Normalizationcited by 5,579
- 2018Think you have Solved Question Answering? Try ARC, the AI2 Reasoning Challengecited by 4,710
- 2019HellaSwag: Can a Machine Really Finish Your Sentence?cited by 4,018
- 2019The Curious Case of Neural Text Degenerationcited by 2,881
- 2023Instruction-Following Evaluation for Large Language Modelscited by 1,143
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- 2021XL-Sum: Large-Scale Multilingual Abstractive Summarization for 44 Languagescited by 346
- 2024The Unreasonable Ineffectiveness of the Deeper Layerscited by 219
- 2024Compact Language Models via Pruning and Knowledge Distillationcited by 142
- 2024ChatQA: Surpassing GPT-4 on Conversational QA and RAGcited by 90
- 2024Shortened LLaMA: Depth Pruning for Large Language Models with Comparison of Retraining Methodscited by 80
- 2024Reuse, Don't Retrain: A Recipe for Continued Pretraining of Language Modelscited by 69
- 2024A deeper look at depth pruning of LLMscited by 23
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Citing papers per year: 2024: 13; 2025: 45; 2026: 24.
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- 2026On the Limits of Layer Pruning for Generative Reasoning in Large Language Models2 Feb 2026
- 2025Effectiveness of Chain-of-Thought in Distilling Reasoning Capability from Large Language Models7 Nov 2025
- 2025Inference-Time Hyper-Scaling with KV Cache Compression5 Jun 2025
- 2025The Cost of Dynamic Reasoning: Demystifying AI Agents and Test-Time Scaling from an AI Infrastructure Perspective4 Jun 2025
- 2025Pangu Embedded: An Efficient Dual-system LLM Reasoner with Metacognition28 May 2025
- 2025DrugPilot: LLM-based Parameterized Reasoning Agent for Drug Discovery20 May 2025
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- 2026ShortOPD: Recovering Pruned LLMs with Short-to-Long On-Policy Distillation14 Jul 2026
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- 2026Small LLMs: Pruning vs. Training from Scratch12 Jun 2026
- 2026Multi-Objective Structured Pruning of LLMs for Latency and Model Size Optimization8 Jun 2026
- 2026Joint Structural Pruning and Mixed-Precision Quantization for LLM Compression5 Jun 2026
- 2026LLM Compression with Jointly Optimizing Architectural and Quantization choices2 Jun 2026
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