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When would you fine-tune an LLM vs using prompting?

ML Concept: 5-7 minutes to answer

llm-engineeringfine-tuningmust-know
Updated Dec 20, 2025

Question

Question

When would you fine-tune an LLM vs using prompting?

Understanding the trade-offs between fine-tuning and prompting is critical for LLM application design.

Expected time to answer: 5-7 minutes


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