RAG SystemsApr 15, 2026
When vector RAG falls apart: five signs you need a graph instead
A team asked us why their support assistant could not answer 'which enterprise customers complained about pricing in Q4 and what was their MRR'. The answer involved three entities, two relationships, and one timeframe filter. Vector search returns chunks, not answers to questions like that. Here is how Sapota decides when to add a graph layer.
Read More