SearXNG

Open-source metasearch engine that aggregates results from 70+ search engines – self-hostable with API access.

By Nathan KesslerUpdated May 8, 2026

Each tool is evaluated against our methodology using public docs, vendor demos, and hands-on testing.

AI search APIs are the infrastructure layer that gives large language models access to current web information. Unlike traditional search engines, these APIs return semantically relevant, structured results optimized for retrieval-augmented generation (RAG) and AI agent workflows. They're essential for any AI product that needs to answer questions about the real world beyond its training data.

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Features

—JS Rendering

✓Structured Output

✓Open Source

✓Self-Hosted Option

Pricing:Free

Editorial assessment

The only fully self-hosted option in this category. Aggregates results from 70+ engines including Google, Bing, DuckDuckGo, and niche sources. Popular with privacy advocates. Quality depends entirely on upstream sources and your instance configuration. Rate limiting from aggregated engines is a constant headache at scale. Best for privacy-first teams comfortable with ops overhead.

How SearXNG compares

Tavily

Tavily is the managed alternative – zero ops burden, but you're trusting a third party with your queries.

LLMLayer

LLMLayer adds AI synthesis on top of search results at low cost, without requiring self-hosting.

See full SearXNG alternatives comparison →

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