Wiring DeepSeek Into Your NestJS Stack: A Backend Walkthrough

Wiring DeepSeek into a NestJS backend can be done in a single afternoon, but it's crucial to consider the costs of AI model integrations. Most blog posts overlook the compounding costs of model usage. A spreadsheet can help backend engineers evaluate the costs and context windows of different models. DeepSeek V4 Flash is a cost-effective option for summarization, classification, and extraction work, with a 40-65% cost reduction compared to other models.