[KongchangAI]
Expired60% confidenceFactTime unknown

The pre-training stage uses Cross-Entropy Loss to measure the gap between the predicted distribution and the actual next token.

2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)

Sources

Complete Guide to LLM Training: Pre-training, SFT Fine-tuning, and Preference Alignment Explained
bilibili小全栈

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