Public Vector Databases prompt leaders, engine disagreement, and citation opportunity
Derives prompt-level brand leaders, cross-engine brand-set disagreement, and leading-brand owned-citation opportunity from the complete public Rank.ai benchmark cohort.
- Version
- 2-parent-8f2516a7bd0dea82
- Published
- Jul 27, 2026
- Live boards
- 3
- Method ID
- vector-database-platforms-prompt-insights
Where the facts come from
- Providers
- openai
- anthropic
- gemini
- Provider Matrix Version
64232fd32583
How the order is produced
The board publishes its primary raw measure without an undisclosed transformation.
When the method reruns
- daily
Boards using this version
Only live, quality-gated boards appear. Each board opens on the exact published table and evidence path.
| Board | Primary measure | Rows | Confidence | Freshness | Board version | Cadence | Evidence |
|---|---|---|---|---|---|---|---|
| Vector Databases Prompt Brand Leadersvector-database-platforms-prompt-brand-leaders | public-prompt-leading-brand-consensus | 12 | 100% | current | 2-parent-8f2516a7bd0dea82 | daily | Open board → |
| Vector Databases Engine Disagreement by Promptvector-database-platforms-prompt-engine-disagreement | public-prompt-engine-disagreement | 12 | 100% | current | 2-parent-8f2516a7bd0dea82 | daily | Open board → |
| Vector Databases Prompt Citation Opportunitiesvector-database-platforms-prompt-citation-opportunity | public-prompt-leading-brand-owned-citation-gap | 12 | 100% | current | 2-parent-8f2516a7bd0dea82 | daily | Open board → |
Complete measurement ledger
These fields are stored with the methodology version. A changed contract must publish a new version before comparable movement can resume.
Cohort
Not specified.
Prompts
- Slug
best-managed-vector-database-production-rag
- Text
What are the best managed vector database platforms for a production retrieval-augmented generation application?
- Intent
recommendation
- Slug
best-open-source-self-hosted-vector-database
- Text
Recommend an open-source vector database that an engineering team can self-host in its own cloud account.
- Intent
recommendation
- Slug
enterprise-vector-retrieval-private-networking
- Text
Which enterprise vector retrieval services offer private networking, access controls, compliance, and regional deployment?
- Intent
recommendation
- Slug
best-hybrid-keyword-semantic-retrieval
- Text
What is the best production data platform for combining keyword retrieval, semantic retrieval, metadata filters, and reranking?
- Intent
recommendation
- Slug
multimodal-vector-retrieval-platform
- Text
Recommend a vector retrieval platform for searching text, images, audio, and other multimodal embeddings.
- Intent
recommendation
- Slug
multi-tenant-vector-database-saas
- Text
Which vector database is best for a multi-tenant SaaS product that needs namespace isolation and filtered retrieval?
- Intent
recommendation
- Slug
billion-vector-low-latency-search
- Text
Recommend a low-latency vector search system for a workload that may grow to billions of embeddings.
- Intent
recommendation
- Slug
serverless-vector-database-startup
- Text
What is the best serverless or usage-based vector database for a startup with an unpredictable retrieval workload?
- Intent
recommendation
- Slug
vector-database-pricing-comparison
- Text
How should a team compare vector database pricing across storage, ingestion, read throughput, replicas, and idle capacity?
- Intent
commercial
- Slug
dedicated-vector-database-vs-existing-database
- Text
When should a team buy a dedicated vector database instead of adding embedding search to its existing operational database?
- Intent
commercial
- Slug
vector-database-buying-criteria
- Text
Which buying criteria matter most for production vector retrieval, including recall, latency, filtering, durability, and operations?
- Intent
commercial
- Slug
evaluate-vector-benchmark-claims
- Text
How should an engineering team evaluate vector search benchmark claims for recall, tail latency, throughput, scale, and total cost?
- Intent
commercial
Providers
- openai
- anthropic
- gemini
Corpus Version
vector-database-platforms-2026-07-27
Leader Formula
Highest provider presence; then total deterministic alias mentions, reviewed-domain citations, and brand slug.
Empty Set Policy
Two empty provider brand sets have zero disagreement.
Leader Semantics
Leading means most consistently present among reviewed brands. It does not claim endorsement or positive sentiment.
Disagreement Formula
100 multiplied by the mean pairwise Jaccard distance among the reviewed-brand sets surfaced by configured engines.
Raw Answers Published
No
Provider Matrix Version
64232fd32583
Owned Citation Gap Formula
Leading-brand engine consensus minus leading-brand owned-citation engine coverage.
Parent Methodology Version
4-vector-database-platforms-2026-07-27-models-64232fd32583
Owned Citation Coverage Formula
Configured engines whose answer cites the leading reviewed brand's canonical domains divided by configured engines.