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Vector Databases Brands in Anthropic Model API Answers

Ranks reviewed Vector Databases brands by presence in Anthropic's configured model API answers to the fixed public prompt cohort. This does not measure the consumer application.

Coverage: 16 entities
Confidence: 100%
Freshness: current
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Watching publication Jul 27, 2026

LEADERBOARD

Current rankings

Metric: Anthropic recommendation-prompt presence

Find in tableEntity typeMovementConfidenceEvidence NRank rangeColumnsSort rowsAnswer providerBrand signal

16of 16 rows

Vector Databases Brands in Anthropic Model API Answers current rankings
Rank	Entity	Anthropic recommendation-prompt presence	Mention coverage	Mention share	Citation share	Engine breadth	OpenAI rec. presence	OpenAI coverage	Confidence	N	Explain
01	Pineconecompany	87.5%	50%	17.82%	8.89%	3	75%	58.33%	100%	8	Analyze brand Why this rank
02	Weaviatecompany	87.5%	44.44%	15.84%	2.22%	3	75%	50%	100%	8	Analyze brand Why this rank
03	Qdrantcompany	75.0%	47.22%	16.83%	13.33%	3	75%	58.33%	100%	8	Analyze brand Why this rank
04	Zilliz Cloud / Milvuscompany	62.5%	41.67%	14.85%	26.67%	3	50%	41.67%	100%	8	Analyze brand Why this rank
05	Rediscompany	37.5%	16.67%	5.94%	8.89%	3	12.5%	8.33%	100%	8	Analyze brand Why this rank
06	Azure AI Searchcompany	25.0%	13.89%	4.95%	8.89%	2	0%	0%	100%	8	Analyze brand Why this rank
07	Vespacompany	25.0%	11.11%	3.96%	0%	3	12.5%	8.33%	100%	8	Analyze brand Why this rank
08	MongoDB Atlas Vector Searchcompany	25.0%	5.56%	1.98%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
09	Chromacompany	12.5%	13.89%	4.95%	0%	3	25%	16.67%	100%	8	Analyze brand Why this rank
10	Elasticsearchcompany	12.5%	11.11%	3.96%	0%	3	25%	16.67%	100%	8	Analyze brand Why this rank
11	Amazon OpenSearch Servicecompany	12.5%	11.11%	3.96%	13.33%	3	25%	16.67%	100%	8	Analyze brand Why this rank
12	Turbopuffercompany	12.5%	2.78%	0.99%	11.11%	1	0%	0%	100%	8	Analyze brand Why this rank
13	Supabase Vectorcompany	12.5%	2.78%	0.99%	0%	1	0%	0%	100%	8	Analyze brand Why this rank
14	Cloudflare Vectorizecompany	0.0%	2.78%	0.99%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
15	Google Vertex AI Vector Searchcompany	0.0%	2.78%	0.99%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
16	LanceDBcompany	0.0%	2.78%	0.99%	0%	1	0%	0%	100%	8	Analyze brand Why this rank

Vector Databases Brands in Anthropic Model API Answers current rankings
Rank	Entity	Anthropic recommendation-prompt presence	Mention coverage	Mention share	Citation share	Engine breadth	OpenAI rec. presence	OpenAI coverage	Confidence	N	Explain
01	Pineconecompany	87.5%	50%	17.82%	8.89%	3	75%	58.33%	100%	8	Analyze brand Why this rank
02	Weaviatecompany	87.5%	44.44%	15.84%	2.22%	3	75%	50%	100%	8	Analyze brand Why this rank
03	Qdrantcompany	75.0%	47.22%	16.83%	13.33%	3	75%	58.33%	100%	8	Analyze brand Why this rank
04	Zilliz Cloud / Milvuscompany	62.5%	41.67%	14.85%	26.67%	3	50%	41.67%	100%	8	Analyze brand Why this rank
05	Rediscompany	37.5%	16.67%	5.94%	8.89%	3	12.5%	8.33%	100%	8	Analyze brand Why this rank
06	Azure AI Searchcompany	25.0%	13.89%	4.95%	8.89%	2	0%	0%	100%	8	Analyze brand Why this rank
07	Vespacompany	25.0%	11.11%	3.96%	0%	3	12.5%	8.33%	100%	8	Analyze brand Why this rank
08	MongoDB Atlas Vector Searchcompany	25.0%	5.56%	1.98%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
09	Chromacompany	12.5%	13.89%	4.95%	0%	3	25%	16.67%	100%	8	Analyze brand Why this rank
10	Elasticsearchcompany	12.5%	11.11%	3.96%	0%	3	25%	16.67%	100%	8	Analyze brand Why this rank
11	Amazon OpenSearch Servicecompany	12.5%	11.11%	3.96%	13.33%	3	25%	16.67%	100%	8	Analyze brand Why this rank
12	Turbopuffercompany	12.5%	2.78%	0.99%	11.11%	1	0%	0%	100%	8	Analyze brand Why this rank
13	Supabase Vectorcompany	12.5%	2.78%	0.99%	0%	1	0%	0%	100%	8	Analyze brand Why this rank
14	Cloudflare Vectorizecompany	0.0%	2.78%	0.99%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
15	Google Vertex AI Vector Searchcompany	0.0%	2.78%	0.99%	2.22%	1	0%	0%	100%	8	Analyze brand Why this rank
16	LanceDBcompany	0.0%	2.78%	0.99%	0%	1	0%	0%	100%	8	Analyze brand Why this rank

HISTORICAL SERIES

Vector Databases Brands in Anthropic Model API Answers leader

Historical data is not available for this snapshot yet.

Primary brandPrompt intentAnswer enginePrompt contains

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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

Vector Databases Brands in Anthropic Model API Answers

Current rankings

Vector Databases Brands in Anthropic Model API Answers leader

Brand vs. market

Prompt × engine matrix

Sources shaping this filtered view

Brand vs. market

Prompt × engine matrix

Sources shaping this filtered view