A Survey on LLM Mid-training

arXiv — cs.CLTuesday, October 28, 2025 at 4:00:00 AM
A recent survey on mid-training in large language models highlights its importance in enhancing capabilities like mathematics and coding. This stage, which utilizes intermediate data and resources, bridges the gap between pre-training and post-training, making it a crucial part of the training process. Understanding mid-training can lead to more effective model development, ultimately benefiting various applications in AI.
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