Preventing LLM Hallucinations at the Source: A Training Data Guide
AI hallucinations remain one of the biggest reliability problems in large language models. Most training data tells an AI model what to get right. Hallucination-resistant training data also shows it what to get wrong — on purpose.

.png)




![8 Best Data Labeling Platforms for Large-Scale Annotation [2026]](https://cdn.prod.website-files.com/68da32b2041c593b0511a582/6a340ef16e870a66feb5fe71_1.webp)













.webp)
