Real ChatGPT answer · index seedHLcTqSx09IUcompleteMarketing and advertising · AI search and generative engine optimizationcommercial
Are there any free open source enterprise AI search tools that rival proprietary software for SEO teams?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Are there any free open source enterprise AI search tools that rival proprietary software for SEO teams?
4 real searches · 1 real-search pass
best open source enterprise AI search platforms Onyx OpenSearch Vespa Haystack RAGFlow 2026 SEO teamsGoogle ↗
OBSERVEDComparison
Onyx open source enterprise search features connectors self hosted licenseGoogle ↗
OBSERVEDOther / navigational
OpenSearch neural search vector search documentation open sourceGoogle ↗
OBSERVEDOther / navigational
Vespa open source search engine vector hybrid search documentationGoogle ↗
OBSERVEDOther / navigational
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (4)
Classes come from the query-classifier (a local Laya model). 4 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT4 real searches · gpt-6
best open source enterprise AI search platforms Onyx OpenSearch Vespa Haystack RAGFlow 2026 SEO teams Google ↗
Onyx open source enterprise search features connectors self hosted license Google ↗
OpenSearch neural search vector search documentation open source Google ↗
Vespa open source search engine vector hybrid search documentation Google ↗
- GitHub · github.com
- Website · onyx.app
- Onyx AI | Open Source Enterprise Search & AI Assistant · onyx.app
- Best Enterprise Search for Engineering Teams (2026): 8 Tools Compared · onyx.app
- Enterprise AI Search Tools 2026: 9 Platforms Compared · vdf.ai
- GitHub · github.com
- Website · opensearch.org
- Vector search · docs.opensearch.org
- Searching vector data · docs.opensearch.org
- GitHub · github.com
- Website · vespa.ai
- What is Vespa.ai? · learn.vespa.ai
- GitHub · github.com
- Website · haystack.deepset.ai
- Best Open-Source AI Search Engines for Enterprise (2026) · ibl.ai
- GitHub · github.com
- GitHub · github.com
- Website · ragflow.io
- GitHub · github.com
- Website · openseo.gg
- open-seo/web/content/blogs/best-open-source-seo-tools.md at main · every-app/open-seo · github.com
- GitHub · github.com
- GitHub - ZensInk/awesome-open-source-seo: Open-source SEO tools only — crawlers, SERP, GEO/AI-search, CLI toolkits. No SaaS, no affiliate links. · github.com
- Self-Hosted SEO Tools and Platforms: Open Source Guide · dev.to
- GitHub · github.com
- GitHub · github.com
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
best open source enterprise AI search platforms Onyx OpenSearch Vespa Haystack RAGFlow 2026 SEO teams OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
Onyx open source enterprise search features connectors self hosted license OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
OpenSearch neural search vector search documentation open source OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
Vespa open source search engine vector hybrid search documentation OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |