[KongchangAI]
Unverified50% confidenceCautionExact time

Prompt template concatenation in data preprocessing, loss masking, and mismatches between instruction formats and the model's chat template are silent errors that are extremely easy to introduce and difficult to detect during fine-tuning.

1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen

Sources

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https://kongchang.com/claim/910238
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MCP
get_claim(id=910238)