Algolia vs Trieve

Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.

为 AI 智能体打造的网页搜索 API 与爬虫

为 AI 模型提供实时网络数据的搜索与推理 API

面向现代应用与电商的 AI 搜索与检索平台

免费 / 开源一个密钥调用 4,100+ 智能体工具，按次付费

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.

以嵌入、重排与读取接口构建的搜索基础设施

免费 / 开源可自托管或云托管的极速搜索引擎

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

Bocha AI Search is a search engine built for AI applications. It returns clean, accurate, high-quality web results that AI agents and LLM apps can consume directly, and it ships with multimodal vertical agents for restaurants, hotels, attractions, flights, academic papers, and document libraries.

自带反馈闭环的相关性引擎