SearXNG vs 
SurfSense
SearXNG vs SurfSense compared for 2026 — features, license, ease of use, performance and which one to choose. The private search layer behind AI search vs Search your own knowledge and the web.
Updated regularly · curated by OpenSourceAI.tech
SearXNG vs SurfSense at a glance
| Spec | SearXNG | SurfSense |
|---|---|---|
| Category | AI search engines | AI search engines |
| Type | Meta-search engine | Research assistant |
| License | AGPL-3.0 | Apache-2.0 |
| Runs locally | Self-hosted | Yes |
| Primary language | Python | Python |
| Ease of use | Intermediate | Intermediate |
| Best for | self-hosters wanting a private search backend | research across personal notes and the web |
| GitHub stars | — | 15.3k |
How SearXNG and SurfSense score
| Criterion | SearXNG | SurfSense |
|---|---|---|
| Popularity | n/a | 3.5 |
| Maintenance | n/a | 5.0 |
| Ease of use | 3.5 | 3.5 |
| Privacy | 4.5 | 5.0 |
| License freedom | 3.5 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
SearXNG
SearXNG is a privacy-respecting meta-search engine aggregating dozens of sources, widely used as the retrieval layer behind self-hosted AI answer engines.
- Aggregates dozens of engines, zero tracking
- The standard retrieval layer for local AI search
- Battle-tested, easy Docker deployment
SurfSense
SurfSense connects your personal knowledge sources with web search into one research assistant with citations.
- Searches your notes and the web together
- Cites every source
- Self-hosted and private
Key differences
SearXNG is meta-search engine, while SurfSense is research assistant. Their licenses differ (AGPL-3.0 vs Apache-2.0), which matters if you ship a commercial product. They also differ in how they run (Self-hosted vs Yes). In short, SearXNG fits self-hosters wanting a private search backend, and SurfSense fits research across personal notes and the web.
Which should you choose?
Choose SearXNG for self-hosters wanting a private search backend. Choose SurfSense for research across personal notes and the web.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is SearXNG or SurfSense easier to use?
Both sit at a similar level (Intermediate). Your choice should come down to fit rather than difficulty.
Are SearXNG and SurfSense free?
SearXNG is free and open source (AGPL-3.0), and SurfSense is free and open source (Apache-2.0). Neither charges for the core software.
Can I run SearXNG and SurfSense locally?
SearXNG: self-hosted · SurfSense: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
SearXNG vs SurfSense — which should I pick in 2026?
Choose SearXNG for self-hosters wanting a private search backend. Choose SurfSense for research across personal notes and the web.
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