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Most-cited domains in Vector Databases answers | Rank.ai

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Most-cited domains in Vector Databases answers

Domains ranked by unique cited-answer coverage across Rank.ai's complete public prompt benchmark. This measures sourcing visibility—not recommendation or authority.

Coverage: 108 entities
Confidence: 100%
Freshness: current
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Watching publication Jul 27, 2026

LEADERBOARD

Current rankings

Metric: Cited-answer coverage

Find in tableEntity typeMovementConfidenceEvidence NRank rangeColumnsSort rows

108of 108 rows

Most-cited domains in Vector Databases answers current rankings
Rank	Entity	Cited-answer coverage	Public Prompt Source Best Position	Public Prompt Source Cited Answer Count	Public Prompt Source Distinct Url Count	Public Prompt Source Engine Breadth	Public Prompt Source Mean Position	Public Prompt Source Median Position	Confidence	N	Explain
01	medium.comsource	50.0%	1	18	19	3	4	4	100%	36	Why this rank
02	reddit.comsource	33.3%	1	12	9	3	4	4	100%	36	Why this rank
03	milvus.iosource	22.2%	1	8	8	3	2.2	2	100%	36	Why this rank
04	actian.comsource	16.7%	2	6	4	3	4.3	4.5	100%	36	Why this rank
05	qdrant.techsource	13.9%	1	5	5	3	2	1.5	100%	36	Why this rank
06	firecrawl.devsource	13.9%	1	5	1	3	3	3	100%	36	Why this rank
07	linkedin.comsource	13.9%	1	5	5	2	3.2	3	100%	36	Why this rank
08	youtube.comsource	13.9%	1	5	5	2	3.6	4	100%	36	Why this rank
09	scylladb.comsource	11.1%	1	4	2	3	2.5	2	100%	36	Why this rank
10	zenml.iosource	11.1%	1	4	1	3	4	4.5	100%	36	Why this rank
11	redis.iosource	11.1%	4	4	3	2	4.3	4	100%	36	Why this rank
12	arxiv.orgsource	11.1%	3	4	4	2	4.5	4.5	100%	36	Why this rank
13	learn.microsoft.comsource	11.1%	1	4	4	2	4	5	100%	36	Why this rank
14	dev.tosource	11.1%	3	4	4	2	5.3	6	100%	36	Why this rank
15	databricks.comsource	8.3%	3	3	1	3	4	4	100%	36	Why this rank
16	ibm.comsource	8.3%	1	3	2	2	1	1	100%	36	Why this rank
17	pinecone.iosource	8.3%	1	3	3	2	3.3	2	100%	36	Why this rank
18	instaclustr.comsource	8.3%	1	3	3	2	3.7	5	100%	36	Why this rank
19	zilliz.comsource	8.3%	2	3	3	2	5.3	6	100%	36	Why this rank
20	theaidatabaseblog.comsource	8.3%	2	3	3	1	4.7	6	100%	36	Why this rank
21	feba-systeme.comsource	5.6%	1	2	1	2	1	1	100%	36	Why this rank
22	github.comsource	5.6%	2	2	2	2	2	2	100%	36	Why this rank
23	facebook.comsource	5.6%	1	2	2	2	3	3	100%	36	Why this rank
24	tigerdata.comsource	5.6%	3	2	1	2	3	3	100%	36	Why this rank
25	atlan.comsource	5.6%	3	2	2	2	4.5	4.5	100%	36	Why this rank
26	cake.aisource	5.6%	3	2	1	2	4.5	4.5	100%	36	Why this rank
27	writer.comsource	5.6%	4	2	1	2	4.5	4.5	100%	36	Viewing why
28	docs.aws.amazon.comsource	5.6%	5	2	2	2	6.3	5	100%	36	Why this rank
29	sombrainc.comsource	5.6%	4	2	1	2	5.5	5.5	100%	36	Why this rank
30	blogs.oracle.comsource	5.6%	5	2	3	2	6.7	7	100%	36	Why this rank
31	towardsdatascience.comsource	5.6%	1	2	2	1	1	1	100%	36	Why this rank
32	encore.devsource	5.6%	4	2	1	1	4.5	4.5	100%	36	Why this rank
33	usenix.orgsource	5.6%	6	2	2	1	6.5	6.5	100%	36	Why this rank
34	aerospike.comsource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
35	ankursnewsletter.comsource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
36	deploybase.aisource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
37	hpcwire.comsource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
38	petronellatech.comsource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
39	unstructured.iosource	2.8%	1	1	1	1	1	1	100%	36	Why this rank
40	alain-airom.medium.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
41	alkira.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
42	aws.amazon.comsource	2.8%	1	1	3	1	2	2	100%	36	Why this rank
43	blog.kalvad.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
44	dataaspirant.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
45	galileo.aisource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
46	glean.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
47	jxnl.cosource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
48	liveblocks.iosource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
49	rack2cloud.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
50	reshorenow.orgsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
51	strapi.iosource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
52	tensoria.frsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
53	twelvelabs.iosource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
54	zenvanriel.comsource	2.8%	2	1	1	1	2	2	100%	36	Why this rank
55	azumo.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
56	businesswire.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
57	community.deeplearning.aisource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
58	data-dynamics.iosource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
59	gigaspaces.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
60	harvey.aisource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
61	lakefs.iosource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
62	mixpeek.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
63	nlpsummit.orgsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
64	opensourceconnections.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
65	skysql.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
66	superlinked.comsource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
67	weaviate.iosource	2.8%	3	1	1	1	3	3	100%	36	Why this rank
68	alex-jacobs.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
69	aqfer.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
70	blog.elest.iosource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
71	cloudian.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
72	cloudsecurityalliance.orgsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
73	d1.awsstatic.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
74	datacamp.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
75	dspace.mit.edusource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
76	gartner.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
77	gosearch.aisource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
78	greyhaven.aisource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
79	ijaibdcms.orgsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
80	thenile.devsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
81	unitedlayer.comsource	2.8%	4	1	1	1	4	4	100%	36	Why this rank
82	turbopuffer.comsource	2.8%	1	1	5	1	4.4	5	100%	36	Why this rank
83	analyticsvidhya.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
84	dbta.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
85	digitalapplied.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
86	mongodb.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
87	sec.cloudapps.cisco.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
88	thecuberesearch.comsource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
89	xenoss.iosource	2.8%	5	1	1	1	5	5	100%	36	Why this rank
90	blog.stackademic.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
91	developers.cloudflare.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
92	docs.cloud.google.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
93	leanopstech.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
94	news.ycombinator.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
95	progress.comsource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
96	thedataexperts.ussource	2.8%	6	1	1	1	6	6	100%	36	Why this rank
97	community.openai.comsource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
98	community.pinecone.iosource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
99	hackernoon.comsource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
100	kalviumlabs.aisource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
101	mordorintelligence.comsource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
102	objectbox.iosource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
103	truto.onesource	2.8%	7	1	1	1	7	7	100%	36	Why this rank
104	amazonaws.cnsource	2.8%	8	1	1	1	8	8	100%	36	Why this rank
105	docs.rconfig.comsource	2.8%	8	1	1	1	8	8	100%	36	Why this rank
106	myengineeringpath.devsource	2.8%	8	1	1	1	8	8	100%	36	Why this rank
107	thedataquarry.comsource	2.8%	8	1	1	1	8	8	100%	36	Why this rank
108	docs.databricks.comsource	2.8%	9	1	1	1	9	9	100%	36	Why this rank

HISTORICAL SERIES

Most-cited domains in Vector Databases answers leader

Historical data is not available for this snapshot yet.

Primary brandPrompt intentAnswer enginePrompt contains

Run live test

Answer presence50.0%18/36 filtered answers mention or cite Pinecone

Selected-set share27.3%Share of answer-presences among the compared brands, not market share

Owned citation answers44 answer-level URL signals on reviewed owned domains

Engine breadth3/3Engines with at least one observed presence

Filtered competitive answer-presence comparison
Brand	Presence	Vs. primary	Selected share	Mentions	Cited answers	Owned URL signals	Engine breadth
Pineconepinecone.io	50.0%18/36	BASE	27.3%	51	4	4	3/3
Qdrantqdrant.tech	47.2%17/36	-2.8 pp	25.8%	35	5	6	3/3
Weaviateweaviate.io	44.4%16/36	-5.6 pp	24.2%	50	1	1	3/3
Zilliz Cloud / Milvuszilliz.com	41.7%15/36	-8.3 pp	22.7%	25	9	12	3/3

ANSWER-LEVEL OBSERVATIONS

Prompt × engine matrix

12 prompts · 36 immutable answer hashes · empty cells mean no compared brand was detected.

Brand presence by public prompt and answer engine
Public prompt	OpenAIopenai/gpt-4o-mini	Anthropicanthropic/claude-haiku-4-5	Geminigoogle/gemini-2.5-flash
01 What are the best managed vector database platforms for a production retrieval-augmented generation application?recommendation	PineconeWeaviateQdrantZilliz Cloud / Milvus 7 source URLs`c0ef7980`	PineconeWeaviateQdrantZilliz Cloud / Milvus 4 source URLs`039ec0e6`	No selected brand 0 source URLs`b97c1c63`
02 Recommend an open-source vector database that an engineering team can self-host in its own cloud account.recommendation	WeaviateQdrantZilliz Cloud / Milvus · C1 4 source URLs`2a8a2e82`	WeaviateQdrantZilliz Cloud / Milvus 5 source URLs`6735a46a`	Weaviate · C1QdrantZilliz Cloud / Milvus · C2 8 source URLs`2f6ddfde`
03 Which enterprise vector retrieval services offer private networking, access controls, compliance, and regional deployment?recommendation	Qdrant · C1Zilliz Cloud / Milvus · C1 5 source URLs`75839c29`	PineconeWeaviateQdrant 7 source URLs`84d6eeb3`	No selected brand 8 source URLs`da7919ae`
04 What is the best production data platform for combining keyword retrieval, semantic retrieval, metadata filters, and reranking?recommendation	PineconeWeaviate 6 source URLs`87aa05a1`	PineconeWeaviateZilliz Cloud / Milvus 7 source URLs`cbfe0f36`	Pinecone · C1 9 source URLs`017d8695`
05 Recommend a vector retrieval platform for searching text, images, audio, and other multimodal embeddings.recommendation	Pinecone · C1WeaviateQdrantZilliz Cloud / Milvus · C1 5 source URLs`1d8c114b`	PineconeWeaviateQdrantZilliz Cloud / Milvus · C2 5 source URLs`acfeb028`	No selected brand 3 source URLs`1e8c522e`
06 Which vector database is best for a multi-tenant SaaS product that needs namespace isolation and filtered retrieval?recommendation	PineconeWeaviateQdrant · C2 7 source URLs`18ff8860`	PineconeWeaviateQdrant 7 source URLs`b253e9f8`	Pinecone · C1WeaviateQdrantZilliz Cloud / Milvus 8 source URLs`ae0825f0`
07 Recommend a low-latency vector search system for a workload that may grow to billions of embeddings.recommendation	PineconeQdrant 4 source URLs`af5a9787`	PineconeQdrantZilliz Cloud / Milvus 6 source URLs`9e0f98a1`	Zilliz Cloud / Milvus · C2 7 source URLs`4d177352`
08 What is the best serverless or usage-based vector database for a startup with an unpredictable retrieval workload?recommendation	PineconeWeaviate 9 source URLs`547ac8d6`	PineconeWeaviate 6 source URLs`c056b5ac`	Pinecone 6 source URLs`4c44070d`
09 How should a team compare vector database pricing across storage, ingestion, read throughput, replicas, and idle capacity?commercial	No selected brand 5 source URLs`59b3d0a0`	PineconeWeaviateQdrant · C1 8 source URLs`b388a5ba`	No selected brand 5 source URLs`918bce5d`
10 When should a team buy a dedicated vector database instead of adding embedding search to its existing operational database?commercial	No selected brand 7 source URLs`b7bbe1ab`	No selected brand 6 source URLs`4ed66263`	No selected brand 6 source URLs`58e44d1a`
11 Which buying criteria matter most for production vector retrieval, including recall, latency, filtering, durability, and operations?commercial	Qdrant · C1 7 source URLs`76d846fb`	No selected brand 8 source URLs`571104d7`	Qdrant · C1 8 source URLs`6c08bb08`
12 How should an engineering team evaluate vector search benchmark claims for recall, tail latency, throughput, scale, and total cost?commercial	Pinecone · C1Zilliz Cloud / Milvus · C1 8 source URLs`56d261c7`	Zilliz Cloud / Milvus · C1 4 source URLs`4fd357db`	Zilliz Cloud / Milvus · C1 6 source URLs`beee8aea`

STRUCTURED CITATION LEDGER

Sources shaping this filtered view

Hostnames are derived from validated public HTTP(S) URLs, not provider-supplied domain labels.

Validated citation sources in filtered answers
Source hostname	Cited answers	Distinct URLs	Engine breadth	Best position	Evidence
medium.com	18	19	3	#1	Open source ↗
reddit.com	12	9	3	#1	Open source ↗
milvus.io	8	8	3	#1	Open source ↗
actian.com	6	4	3	#2	Open source ↗
linkedin.com	5	5	2	#1	Open source ↗
qdrant.tech	5	5	3	#1	Open source ↗
youtube.com	5	5	2	#1	Open source ↗
firecrawl.dev	5	1	3	#1	Open source ↗
learn.microsoft.com	4	4	2	#1	Open source ↗
arxiv.org	4	4	2	#3	Open source ↗
dev.to	4	4	2	#3	Open source ↗
redis.io	4	3	2	#4	Open source ↗
scylladb.com	4	2	3	#1	Open source ↗
zenml.io	4	1	3	#1	Open source ↗
instaclustr.com	3	3	2	#1	Open source ↗
pinecone.io	3	3	2	#1	Open source ↗
theaidatabaseblog.com	3	3	1	#2	Open source ↗
zilliz.com	3	3	2	#2	Open source ↗
ibm.com	3	2	2	#1	Open source ↗
databricks.com	3	1	3	#3	Open source ↗

PUBLIC-BENCHMARK PRIVACY BOUNDARY

This report contains only code-reviewed public prompts, deterministic brand counts, answer hashes, and validated structured citation URLs. Full model answers are neither stored nor published here. No customer, organization, or private tracked-prompt data is included.

vector-database-platforms-2026-07-27 / 4-vector-database-platforms-2026-07-27-models-64232fd32583

Some explanation inputs are unavailable Missing: publicFrozenEvidence, comparablePriorRanking.

Published rank: #27
Score: 5.556 percent
Overall confidence: 100%
Coverage: 50%
Sample size: 36
As of: Jul 27, 2026, 12:00 AM UTC

SCORE CONSTRUCTION

Component ledger

7/14 evidenced

Components contributing to writer.com's rank
Component	Value	Weight	Contribution	Status
aggregateArtifactHash	957a19d86aff5643ffb3f3796bd0bc22808abdd317309235071aac75557d4dae	Unavailable	—	unavailableno_public_frozen_evidence
answerDenominator	36	Unavailable	36	unavailableno_public_frozen_evidence
engineDenominator	3	Unavailable	3	unavailable

hostname	writer.com	Unavailable	—	0	unavailableno_public_frozen_evidence

positionDenominator	2	Unavailable	2	0	unavailableno_public_frozen_evidence

positionNumerator	9	Unavailable	9	0	unavailableno_public_frozen_evidence

public prompt source answer coverage	5.555556	100%	5.556	1	available

public prompt source best position	4	0%	0	1	available

public prompt source cited answer count	2	0%	0	1	available

public prompt source distinct url count	1	0%	0	1	available

public prompt source engine breadth	2	0%	0	1	available

public prompt source mean position	4.5	0%	0	1	available

public prompt source median position	4.5	0%	0	1	available

sourceVisibilityOnly	1	Unavailable	—	0	unavailableno_public_frozen_evidence

PRIMARY EVIDENCE

Source trail

7 public records

Cited-answer coveragepublic prompt source answer coverage · observed Jul 27, 2026, 12:00 AM UTC5.556 percent100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
{"corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["2bded27c-2e4d-4fe5-a3f5-e347cb6c9856","28137ae8-72fb-46b4-aba5-26c0dc656979","7057a728-6481-4b45-b94b-55cf4d6f53fb","ec98534f-6ec6-4eba-a079-1b2a36586360","3904d364-a3b7-4cd8-aea0-1bf2a23a92af","b2ee878c-aa21-4dba-8331-9e0e9c59d15e","0df1411d-5e48-4ae2-a2d1-3061c1900bbe","f1aedf13-b208-4f74-96f4-2e28bcd8cb33","24c18db6-ea25-4c74-bc0b-3c3a095656e8","6d39787e-22d7-4f0f-aec6-0170d0a21e85","39286cb2-8e97-4ad4-91c1-a0e988dfcdb3","aeb48237-f6e9-4f3e-98cf-15907fccfeeb","a2e864b7-d4c7-4ff2-a084-5781302198cb","a5da44d4-4808-4a71-a7b7-88d570b03022","f9b584ac-a323-4773-8ac4-cc06dd46a762","0cd5dc0f-ae07-4337-bfc3-5040acb440ad","eea899f8-9595-4bc9-80da-f86b9c00c552","8cde04b2-961e-4993-b3d3-4700f5cc5f05","055b3775-344d-4680-8d1d-a44d3fe3f4e3","f8401668-8b72-494b-951a-55648fd867c3","2f05fe22-bf25-42da-a6ce-d04852b9c845","d8cfc94e-0916-49cf-abaa-60a69fdd9952","65c3edd0-6485-4cfd-a1d4-25d96ed1bd6f","5086b292-5b8d-4780-b81b-3f16b75293e8","d8f50fd8-fbb7-4a79-988f-2aace1d46db1","2115bea8-5587-4df2-9afb-c42ba8b780b3","9c24f1b4-73ce-40ea-9499-e324f53a5557","7864f3ce-6438-4f67-b01a-efa50bb8f110","0a9ffe30-a034-46e8-bd83-09d1d4f84663","e42d23f7-4b07-4dc1-92ba-c880fc773436","7262ce5c-e3ff-48c3-b693-350b0a65ea1d","c513aaa7-78df-4491-b993-3e7554c49cdf","23653ced-120e-4a15-a8a9-9eac98a9e4df","fce94351-df05-4ffb-97c5-526886e1a9c8","3653de7b-5761-4b24-abe1-5cf551c29bc3","9a24d249-93f7-4649-9037-20756ca510c1"],"benchmarkVersion":"4-vector-database-platforms-2026-07-27-models-64232fd32583","providerMatrixVersion":"64232fd32583"}
Open primary evidence ↗
Best citation positionpublic prompt source best position · observed Jul 27, 2026, 12:00 AM UTC4 position100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗
Cited answerspublic prompt source cited answer count · observed Jul 27, 2026, 12:00 AM UTC2 answers100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗
Distinct citation URLspublic prompt source distinct url count · observed Jul 27, 2026, 12:00 AM UTC1 URLs100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗
Engine breadthpublic prompt source engine breadth · observed Jul 27, 2026, 12:00 AM UTC2 engines100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗
Mean citation positionpublic prompt source mean position · observed Jul 27, 2026, 12:00 AM UTC4.5 position100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗
Median citation positionpublic prompt source median position · observed Jul 27, 2026, 12:00 AM UTC4.5 position100% confidence
Source
Rank.ai Vector Databases Prompt Benchmark
Grade
A
Freshness
fresh
Locator
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Open primary evidence ↗