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