Best LangSearch Alternatives & Competitors

Web search API and crawler built for AI agents

Search foundation built from embeddings, rerankers, and reader APIs

AI search and retrieval platform for modern apps and commerce

Free / Open-sourceOpen-source, high-performance vector search at any scale

One API key for agent-grade web search, fetch, browsing and automation

Independent web search and agent grounding API built on the Ahrefs index

A search engine built for AI applications, not just people

Search and inference APIs that give AI models real-time web data

Real-time web search and retrieval APIs built for AI agents

Free / Open-sourceLightning-fast search engine you can self-host or run in the cloud

The managed vector database and knowledge engine for production AI

Free / Open-sourceWeb data API that turns any site into clean, AI-ready content