Trieve

免费 / 开源Qdrant is an open-source vector search engine and database, written in Rust, for high-performance similarity search in AI applications.

Pinecone is a managed vector database and AI knowledge platform for building retrieval-augmented generation (RAG), semantic search, and agent memory. It stores vector embeddings at scale, makes writes searchable within seconds with no index tuning, and keeps p99 latency steady as data grows. Pinecone powers products for more than 10,000 customers and over a million developers worldwide.

免费 / 开源可自托管或云托管的极速搜索引擎

以嵌入、重排与读取接口构建的搜索基础设施

面向现代应用与电商的 AI 搜索与检索平台

免费 / 开源面向可靠 AI 对话与搜索的开源 RAG 平台

为 AI 智能体打造的网页搜索 API 与爬虫

面向智能体、助手与应用的托管式上下文引擎

Zilliz is the company behind Milvus, the open-source vector database, and offers Zilliz Cloud — a fully managed vector database service built for large-scale AI retrieval, RAG, and similarity search workloads.

免费 / 开源一个密钥调用 4,100+ 智能体工具，按次付费

自带反馈闭环的相关性引擎

面向开发者的全托管 AI 搜索与 RAG 基础设施