# Cost-informed vector stores
<a name="gencost04"></a>


| GENCOST04: How do you optimize vector stores for cost? | 
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 Generative AI architectures like Retrieval Augmented Generation (RAG) require a robust data backend to remain effective. Vector stores can add to the overall cost of running your application and should be optimized. 

**Topics**
+ [GENCOST04-BP01 Reduce vector length on embedded tokens](gencost04-bp01.md)