Measuring ROI on domain-specific language model fine-tuning: a practical framework for managers

The ROI of domain-specific language model fine-tuning is not always immediately visible. Many technology projects fail not because they lack value but because they cannot demonstrate that value to leadership at the right time.

A simple but effective ROI formula: monthly savings multiplied by 12, divided by total investment, multiplied by 100 percent. Savings must include hard benefits and quantified soft benefits.

Critical: establish a baseline before deployment. No pre-deployment numbers means no post-deployment ROI. This is the step most project teams skip and then struggle to answer "what did this project actually deliver?"

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