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LangSearch

LangSearch provides a free Web Search API and Semantic Rerank API designed for LLM applications. It supports natural language search, hybrid keyword and vector searches, and uses a transformer-based reranker model for high accuracy. The API delivers clean, high-quality context from billions of web documents including news, images, and videos. It offers easy integration via official API, LLM tools like LangChain, and AI agent plugins.

web search APIrerank APILLM+7

AI Search

Jina.ai

Jina AI provides a search foundation with best-in-class embeddings, rerankers, web reader, deepsearch, and small language models. It offers APIs for converting URLs to Markdown, generating embeddings, and reranking search results, enabling high-quality enterprise search and RAG systems.

embeddingsrerankerweb reader+6