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Fine-tuning vs prompting break-even

Compare a fine-tuned model with long prompts to see when fine-tuning pays back.

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GenAI & agentic AI

How it's worked out

  • Saving = requests × (tokens saved × base price − remaining tokens × price difference) − hosting
  • Output costs similar for both options
NoteFine-tuned models need retraining when the base model or your data changes; include that in the training cost.

Source: Model provider fine-tuning pricing documentation

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