#1

Tavily

★★★★ 4.3 Free / $50+ Free plan

Search API built specifically for AI agents and LLM applications, providing optimized search results with content extraction for retrieval-augmented generation.

search-apicontent-extractiontopic-searchnews-search
✓ Purpose-built for AI/LLM apps✓ Generous free tier (1000 calls/month)✓ Returns clean extracted content
#2
LangChain

LangChain

★★★★ 4.3 Free / $39+ Free plan

Framework for developing applications powered by language models with chains and agents.

chainsagentsretrievalmemory
✓ Comprehensive framework✓ Large community✓ Many integrations
#3

Exa

★★★★ 4.2 Free / $100+ Free plan

AI-powered search API that finds content using neural embeddings instead of keywords, designed for developers building AI applications that need web knowledge.

neural-searchcontent-retrievalsimilarity-searchfiltering
✓ Semantic search beyond keywords✓ Clean API for developers✓ Returns full page content

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