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BUYER PROMPT / PUBLISHED EVIDENCE

Recommend an open-source vector database that an engineering team can self-host in its own cloud account.

An exact prompt-level view of which reviewed brands surfaced and which public URLs the configured AI models cited. No answer text or tenant data is published.

Intent
recommendation
Model providers
3
Categories
1
Last observed
Jul 27, 2026, 12:00 AM UTC
COMPETITIVE OUTCOME

Brands surfaced

Ordered by provider breadth, then total mentions and owned-domain citations. A mention is not an endorsement or a position claim.

#BrandCategoryProvidersMentionsOwned citationsProvider evidence
01Zilliz Cloud / Milvuszilliz.comVector DBs383Openai · Anthropic · Gemini
02Qdrantqdrant.techVector DBs380Openai · Anthropic · Gemini
03Weaviateweaviate.ioVector DBs361Openai · Anthropic · Gemini
04Chromatrychroma.comVector DBs340Openai · Anthropic · Gemini
05Redisredis.ioVector DBs212Anthropic · Gemini
06LanceDBlancedb.comVector DBs110Gemini
MODEL COMPARISON

Answer matrix

One row per configured provider and category snapshot. Hashes prove answer identity without publishing stored answer text.

ProviderModel versionCategoryBrands surfacedCitationsUnique domainsAnswer hash
Openaiopenai/gpt-4o-miniVector DBsWeaviate · Qdrant · Zilliz Cloud / Milvus · Chroma442a8a2e82…9a56a
Anthropicanthropic/claude-haiku-4-5Vector DBsWeaviate · Qdrant · Zilliz Cloud / Milvus · Redis · Chroma556735a46a…3cc77
Geminigoogle/gemini-2.5-flashVector DBsWeaviate · Qdrant · Zilliz Cloud / Milvus · Redis · Chroma · LanceDB882f6ddfde…d06de
URL-DERIVED CITATIONS

Sources cited

Hostnames are derived from the returned public URLs. Best position is the smallest citation position observed.

DomainCited pageBest positionProvidersObservationsCategories
milvus.iohttps://milvus.io/1Gemini1Vector DBs
youtube.comhttps://youtube.com/watch?v=Oq3pq6-UlV81Openai1Vector DBs
zenml.iohttps://zenml.io/blog/vector-databases-for-rag1Anthropic1Vector DBs
medium.comhttps://medium.com/@michael.hannecke/comparison-of-5-open-source-vector-databases-89fcce12578f2Anthropic · Gemini2Vector DBs
github.comhttps://github.com/weaviate/weaviate2Gemini1Vector DBs
reddit.comhttps://reddit.com/r/vectordatabase/comments/1kwaqx1/i_benchmarked_qdrant_vs_milvus_vs_weaviate_vs/2Openai1Vector DBs
firecrawl.devhttps://firecrawl.dev/blog/best-vector-databases3Anthropic1Vector DBs
milvus.iohttps://milvus.io/ai-quick-reference/what-vector-databases-are-best-for-semantic-search-applications3Openai1Vector DBs
weaviate.iohttps://weaviate.io/platform3Gemini1Vector DBs
redis.iohttps://redis.io/blog/best-open-source-vector-databases-comparison/4Anthropic · Gemini2Vector DBs
blog.elest.iohttps://blog.elest.io/qdrant-vs-weaviate-vs-milvus-which-vector-database-for-your-rag-pipeline/4Openai1Vector DBs
encore.devhttps://encore.dev/articles/best-vector-databases5Anthropic1Vector DBs
instaclustr.comhttps://instaclustr.com/education/vector-database/top-10-open-source-vector-databases/5Gemini1Vector DBs
reddit.comhttps://reddit.com/r/Rag/comments/1r3y4ys/which_vector_database_do_we_like_for/6Gemini1Vector DBs
zilliz.comhttps://zilliz.com/blog/top-5-open-source-vector-search-engines8Gemini1Vector DBs
Snapshot IDs7cc7cbd3-7c7e-40c6-974d-babffdce0fc8
Corpus versionsvector-database-platforms-2026-07-27
Benchmark versions4-vector-database-platforms-2026-07-27-models-64232fd32583

Coverage: Vector DBs. Full answers stored: no · Full answers published: no · Tenant data included: no.