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EvaluationMedium· Summarization· Faithfulness· Product Requirements

How do you respond to a product lead who wants a 0% fla...

A faithfulness checker cannot inherently distinguish between acceptable paraphrasing (bridging) and actual fabrication. If you force the flag rate to zero, the model will stop paraphrasing entirely to avoid being flagged, effectively turning it into an extractive summarizer. The better approach is to categorize the flagged outputs to determine how much is acceptable bridging and set a tolerance threshold that balances accuracy with the utility of the summary.

Code playground (Python)