向量数据库与 RAG 工具

分类导读

向量数据库与 RAG 工具用于把外部资料检索结果提供给应用或模型。方案效果取决于数据准备、检索策略、权限过滤、引用呈现和持续评测，而非单一组件。

选择维度

• 支持的数据连接器、文档格式、切分、嵌入模型和索引更新方式
• 向量、关键词、混合检索、元数据过滤、重排和引用能力
• 租户隔离、文档权限、敏感数据、删除同步与审计要求
• 数据规模、查询延迟、备份迁移、托管或自建及存储计算成本

使用提醒

使用真实问题集评估召回、排序、引用与最终回答，记录失败样本并持续更新；敏感资料应在检索层执行权限过滤，不只依赖生成阶段提示。

来源与更新

页面按本站 2026-08-27 的 27 个工具入口整理；连接器、模型兼容、部署区域、数据政策和价格以各产品官方文档为准。

相邻分类

• AI 基础设施
• LLM 可观测与评测
• 开发者工具

• Redis Freemium ★4.92
  Redis is an in-memory data store used as a vector database, semantic cache and memory layer for AI and agent applications.
• turbopuffer Paid ★4.92
  Serverless vector and full-text search built on object storage — powers Cursor, Notion AI, Linear, Superhuman. 95% cost reduction vs traditional vector DBs.
• Neo4j Freemium ★4.91
  Neo4j is a graph database that powers knowledge graphs and GraphRAG so AI apps can ground answers in connected, verifiable relationships.
• Weaviate Freemium ★4.91
  Open-source vector database for storing data objects and vector embeddings
• Elastic Freemium ★4.87
  Search AI platform pairing Elasticsearch retrieval with vector search for RAG, observability, and security.
• LlamaIndex Freemium ★4.86
  Document OCR for the agentic stack — LlamaParse turns complex docs into model-ready data.
• Cohere Freemium ★4.85
  Unlock powerful semantic search, content generation, and intent recognition with Cohere's advanced models.
• MongoDB Atlas Vector Search Freemium ★4.85
  MongoDB Atlas Vector Search adds semantic vector search to your database for RAG and AI agents.
• Qdrant Freemium ★4.85
  Open-source vector database and search engine.
• LanceDB Freemium ★4.84
  AI-native multimodal lakehouse and serverless vector DB — embedded retrieval for production-scale generative AI, open source, YC-backed.
• Mixedbread Freemium ★4.84
  Multimodal search API with open-source embedding and reranking models for RAG and retrieval.
• Pinecone Paid ★4.84
  Pinecone: Transforming Vector Search for Enhanced Data Retrieval
• TopK Freemium ★4.84
  AI-native search engine combining vector, keyword, and custom scoring in one API.
• Zilliz Freemium ★4.84
  Vector database platform for enterprise-grade AI applications, powered by Milvus
• Tavily Freemium ★4.82
  Real-time web search, extract, and crawl APIs built specifically for AI agents and RAG.
• Onyx Freemium ★4.78
  Onyx (formerly Danswer) is the open-source AI chat and enterprise search platform connecting all your company knowledge into a unified AI assistant.
• Firecrawl Freemium ★4.76
  Web scraping built for LLMs — turn any website into clean markdown or structured data with one API call.
• Marqo Paid ★4.7
  Multimodal vector search engine for unstructured data
• Dataworkz Paid ★4.61
  Build, deploy, and optimize GenAI apps with RAG as a service.
• Chroma Free ★4.6
  AI-native open-source embedding database for efficient data handling.
• Reducto Free Trial ★4.49
  Reducto is an agentic document-parsing platform that turns messy PDFs and scans into accurate, LLM-ready data for RAG pipelines and extraction.
• Zep Freemium ★4.45
  Zep is a memory platform for AI agents that builds temporal knowledge graphs from chat and business data so agents recall context that changes over time.
• Vectara Freemium ★4.43
  Vectara is the trusted RAG-as-a-service platform with grounded generation and hallucination evaluation. Built by ex-Cloudera leadership; enterprise-ready.
• Sinequa Paid ★4.41
  Sinequa is the enterprise AI search platform with deep document understanding and RAG. Long-running incumbent; serves Fortune 500 and government agencies.