Build vs Buy Analysis

System Count: 24 Total

BUY - Alibaba Cloud Services (10)

- LLM: Qwen via Model Studio / DashScope
- Embedding: gte-Qwen2 via DashScope
- Reranker: gte-rerank via DashScope
- Vector DB: AnalyticDB for PostgreSQL
- Storage: Alibaba Cloud OSS
- Metadata: ApsaraDB RDS for PostgreSQL
- Graph: Alibaba Cloud GDB
- Search: Alibaba Cloud Elasticsearch
- ETL: DataWorks
- Queue: Message Queue for Apache Kafka

BUILD - Custom Development (9)

- RAG API Service (FastAPI on ACK/ECS)
- Knowledge Portal (React/Next.js)
- Admin Dashboard, Query Orchestrator
- Ingestion Pipeline, RBAC Service
- Chatbot SDK, SharePoint/Email Connectors