Glossary · Phase 6 · Modern LLM engineering
Payback period
How long before the money a change saves covers what it cost to set up.
Try it now
At low volume, the setup cost never pays back. At high volume it pays back in days. The prices here are examples; plug in your own.
Learn it properly
Prompting vs RAG vs fine-tuning · Pick the cheapest approach that works. About 30 minutes.
Other terms from the same lesson
- parameter-efficient fine-tuning: Fine-tuning that trains only a small number of new or chosen weights, such as LoRA adapters, instead of the whole model.
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