Knowledge graph platforms: AI search visibility ranking (2026)
How AI search engines rank knowledge graph platforms by visibility and citations. 18 brands measured monthly across Google AI Mode: which brands the AI names in answers, which domains it cites as sources, and how the leaders compare. Knowledge graph platforms used to connect entities, enrich semantics, and power search, recommendation, AI grounding, and data discovery workflows. Composite score: 70% visibility (% of AI answers naming the brand) + 30% citation rate (% citing the brand's domain). Full methodology →
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When buyers inquire about Knowledge graph platforms, AI engines frequently name Neo4j as the leader in the field. It holds a commanding presence, with visibility reaching 50 percent. Other top brands often mentioned include Stardog and Ontotext, reflecting their strong reputations in the industry.
The rankings reflect sources AI engines rely on such as puppygraph.com and getgalaxy.io, which are common domains for citations. Some of these sources act as aggregators and review sites, implying a broad consensus among user reviews and industry experts on these platforms.
For buyers exploring this list, consider the importance of recent reviews and third-party validation, aspects AI engines prioritize. Platforms with high topical authority and frequent mentions on respected sources may provide you with vetted quality and a reliable reputation, crucial factors when deciding on your Knowledge graph platform.
At a glance
What we observed in this category
Neo4j leads the knowledge graph platforms category with a composite score of 53.8, built on 50% visibility and a category-high citation rate of 62.5%. Stardog matches Neo4j on visibility at 50% but its citation rate is only 25%, producing a composite score of 42.5 versus 53.8. That 11.3-point composite gap between first and second place is meaningful because it shows Neo4j is not just mentioned more often but is actively trusted as a source, which reinforces its dominance in AI-generated answers.
A striking divergence appears between named visibility and citation trust across ranks 3 to 6. Ontotext, Graphwise, TigerGraph, and ArangoDB each hold 25% visibility but carry 0% citation rates, meaning Google AI Mode names them without ever linking back to their domains. Memgraph presents the inverse pattern, scoring 0% visibility yet a 37.5% citation rate, making it the clearest example of a brand that is cited as a source but not described as a category participant. This split suggests AI is treating some brands as references rather than solutions.
Google AI Mode is the dominant engine across all 18 brands in this category, listed as the top engine for every brand in the data. The top cited sources reveal that third-party and community properties anchor AI responses heavily, with puppygraph.com, getgalaxy.io, medium.com, and devopsschool.com all appearing before neo4j.com in the cited sources list. This pattern indicates that Google AI Mode is drawing category context from independent review and tutorial content rather than from vendor sites, except in Neo4j's case where the domain itself makes the cited sources list.
Movers & shakers since last refresh
Biggest visibility risers
-
Neo4j 12% → 50% · rank #2 → #1+38pp
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Stardog 12% → 50% · rank #1 → #2+38pp
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Ontotext 0% → 25% · rank #3 → #3+25pp
The ranking
| # | Brand | Visibility | Citation | Top engine |
|---|---|---|---|---|
| 1 |
neo4j.com
|
50% | 62% | Google AI Mode |
Neo4j leads with a 62.5% citation rate, more than double Stardog's 25%, and sits 37.5 percentage points above the 25% category average for visibility. |
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| 2 |
stardog.com
|
50% | 25% | Google AI Mode |
Stardog matches Neo4j on 50% visibility but its citation rate of 25% is 37.5 points lower, producing a composite score gap of 11.3 points between them. |
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| 3 |
ontotext.com
|
25% | 0% | Google AI Mode |
Ontotext holds 25% visibility, double the 12.5% category average, but a 0% citation rate leaves its composite score at 17.5, well below Neo4j and Stardog. |
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| 4 |
graphwise.ai
|
25% | 0% | Google AI Mode |
Graphwise sits at 25% visibility and 0% citations, identical to Ontotext and TigerGraph, giving it no differentiation from peers at this ranking tier. |
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| 5 |
tigergraph.com
|
25% | 0% | Google AI Mode |
TigerGraph mirrors Ontotext and Graphwise exactly at 25% visibility and 0% citation rate, meaning Google AI Mode names but never references it as a source. |
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| 6 |
arangodb.com
|
25% | 0% | Google AI Mode |
| 7 |
aws.amazon.com
|
12% | 12% | Google AI Mode |
| 8 |
memgraph.com
|
0% | 38% | Google AI Mode |
| 9 |
poolparty.biz
|
12% | 0% | Google AI Mode |
| 10 |
senzing.com
|
0% | 0% | Google AI Mode |
| 11 |
diffbot.com
|
0% | 0% | Google AI Mode |
| 12 |
data.world
|
0% | 0% | Google AI Mode |
| 13 |
relational.ai
|
0% | 0% | Google AI Mode |
| 14 |
franz.com
|
0% | 0% | Google AI Mode |
| 15 |
cambridgesemantics.com
|
0% | 0% | Google AI Mode |
| 16 |
marklogic.com
|
0% | 0% | Google AI Mode |
| 17 |
topquadrant.com
|
0% | 0% | Google AI Mode |
| 18 |
metaphacts.com
|
0% | 0% | Google AI Mode |
Sources AI engines trust in this category
Across the 8 buyer-intent queries we ran on knowledge graph platforms, these are the domains Google AI Mode cited most often. If you're not on this list — or if your competitors are — that's a concrete PR / linkbuilding target.
How to read this ranking
Four things worth knowing before you act on the numbers above. These are the same definitions across every industry page — for category-specific observations, see the What we observed section above (where available) and the per-brand insights inline in the ranking.
Visibility = being named
A brand's visibility % is the share of AI answers that mention it by name in the response prose. This is who AI engines actively recommend to the buyer. More on visibility →
Citation rate = being trusted
Citation rate is the share of AI answers that include the brand's domain as a clickable source link. This is what the AI treats as authoritative evidence, different from being named. More on citation rate →
Top engine differs by brand
The "top engine" column shows which AI surface each brand performs best on. Big gaps between a brand's score across engines usually points to specific content or schema gaps. How AI engines pick sources →
Rankings move month to month
AI engines re-crawl and re-rank on shorter cycles than classical search. We re-audit every brand on this list at least every 30 days and refresh this page automatically. How AI search ranking works →
Get your own knowledge graph platforms brand audited
The brands above were curated from public market-leader lists. Want the same measurement against your own brand — including the queries you appear on, which competitors get named instead, and a prioritised fix list? Run a free preview.
Frequently asked about knowledge graph platforms AI visibility
Who leads AI visibility in knowledge graph platforms?
Neo4j leads with a composite score of 53.8, driven by 50% visibility and a 62.5% citation rate. Stardog is the only other brand at 50% visibility but trails on citations at 25%.
What is the average AI visibility for knowledge graph platforms?
The category average visibility is 12.5% and the average citation rate is 7.6%, meaning most of the 18 brands in the category have very limited AI presence.
Which knowledge graph platform brands are named by AI but not cited?
Ontotext, Graphwise, TigerGraph, and ArangoDB each have 25% visibility but 0% citation rates, meaning Google AI Mode mentions them without linking to their domains.
What sources does Google AI Mode cite most for knowledge graph platform research?
The top cited sources include puppygraph.com, getgalaxy.io, medium.com, and devopsschool.com, all appearing ahead of neo4j.com in the cited sources list.
Are any brands cited by AI without being named as category participants?
Yes, Memgraph has a 0% visibility score but a 37.5% citation rate, indicating Google AI Mode uses it as a reference source without positioning it as a solution in responses.
Which engine dominates AI visibility for knowledge graph platforms?
Google AI Mode is the top engine for every brand across all 18 in the category, with no other engine recorded as a top performer for any brand in this audit.