Dev Tools · 2h ago
Corrective RAG for billing: why correct numbers get narrated wrong
An ISP's WhatsApp assistant uses corrective RAG to answer billing queries. The system fuses vector and full-text search via reciprocal rank fusion, then prunes results. The key insight: the model often narrates correct retrieved numbers incorrectly, not the retrieval itself.
Meridian48 take
The piece usefully distinguishes retrieval failures from narration failures, a nuance often lost in RAG demos where no one checks the facts.
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Corrective RAG for billing: the bug is not retrieval, it's the model narrating correct numbers wrong →
DEV Community
ragbilling-assistant