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Published method

Public Vector Databases brand benchmark

Ranks a reviewed Vector Databases brand universe using a fixed, public set of neutral commercial prompts across 3 AI providers.

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

Version

Jul 27, 2026

Published

7

Boards

public-vector-database-platforms

Method ID

Where the facts come from

Providers
  • Provider

    openai

    Configured Model

    openai/gpt-4o-mini

  • Provider

    anthropic

    Configured Model

    anthropic/claude-haiku-4-5

  • Provider

    gemini

    Configured Model

    google/gemini-2.5-flash

Provider Views
  • Provider

    openai

    Board Slug

    vector-database-platforms-brand-openai-visibility

    Primary Metric Slug

    public-prompt-openai-brand-recommendation-presence

  • Provider

    anthropic

    Board Slug

    vector-database-platforms-brand-anthropic-visibility

    Primary Metric Slug

    public-prompt-anthropic-brand-recommendation-presence

  • Provider

    gemini

    Board Slug

    vector-database-platforms-brand-gemini-visibility

    Primary Metric Slug

    public-prompt-gemini-brand-recommendation-presence

Provider Matrix Version

64232fd32583

How the order is produced

recommendation-prompt presence descending; mention coverage, engine breadth, mention share, citation share, then entity slug

When the method reruns

  • The prompt boards are re-run in rotation, about one category a day, so each board refreshes every few weeks and shows the date of its snapshot.

Boards

Boards using this version

BoardPrimary measureRowsConfidenceSnapshotBoard versionRefreshBoard
Vector database platform rankpublic-prompt-brand-recommendation-presence16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector database platform rank
Vector database platform presencepublic-prompt-brand-mention-coverage16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector database platform presence
Vector database citation sharepublic-prompt-brand-citation-share16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector database citation share
Vector database engine breadthpublic-prompt-brand-engine-breadth16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector database engine breadth
Vector databases in OpenAI model API answerspublic-prompt-openai-brand-recommendation-presence16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector databases in OpenAI model API answers
Vector databases in Anthropic model API answerspublic-prompt-anthropic-brand-recommendation-presence16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector databases in Anthropic model API answers
Vector databases in Gemini model API answerspublic-prompt-gemini-brand-recommendation-presence16100%Sep 12, 20264-vector-database-platforms-2026-07-27-models-64232fd32583Rotating scheduleOpen the board: Vector databases in Gemini model API answers

Versioned contract

Complete measurement ledger

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

Category

vector-database-platforms

Providers

  • Provider

    openai

    Configured Model

    openai/gpt-4o-mini

  • Provider

    anthropic

    Configured Model

    anthropic/claude-haiku-4-5

  • Provider

    gemini

    Configured Model

    google/gemini-2.5-flash

Cost Policy

Cost Basis

Provider-reported LLM cost returned by the existing AI Rank provider/cache layer.

Maximum Daily Billed Cost Usd

2.00

Maximum Daily Provider Calls

60

Maximum Daily Provider Attempts Including Retries

72

Limitations

  • This is one response per prompt/provider pair in each run; model output can vary between runs.
  • The fixed 12-prompt Vector Databases category does not estimate general market share or brand awareness.
  • Presence share and citation share are relative only to the reviewed 16-brand universe; untracked brands are excluded from those denominators.
  • OpenAI, Anthropic, and Google are both evaluated brands and configured model providers; no self-provider bias correction is applied.

Rank Formula

recommendation-prompt presence descending; mention coverage, engine breadth, mention share, citation share, then entity slug

Answer Policy

Published Evidence

answer hashes, deterministic bounded brand counts, and deduplicated URL-derived citation counts

Full Provider Answers Published

No

Full Provider Answers Stored In Public Index

No

Corpus Version

vector-database-platforms-2026-07-27

Provider Views

  • Provider

    openai

    Board Slug

    vector-database-platforms-brand-openai-visibility

    Primary Metric Slug

    public-prompt-openai-brand-recommendation-presence

  • Provider

    anthropic

    Board Slug

    vector-database-platforms-brand-anthropic-visibility

    Primary Metric Slug

    public-prompt-anthropic-brand-recommendation-presence

  • Provider

    gemini

    Board Slug

    vector-database-platforms-brand-gemini-visibility

    Primary Metric Slug

    public-prompt-gemini-brand-recommendation-presence

Runner Version

4

Canonical Brands

  • Name

    Pinecone

    Aliases
    • Pinecone
    Entity Slug

    pinecone

    Primary Domain

    pinecone.io

    Citation Domains
    • pinecone.io
    • docs.pinecone.io
    Case Sensitive Aliases
    • Name

      Weaviate

      Aliases
      • Weaviate
      • Weaviate Cloud
      Entity Slug

      weaviate

      Primary Domain

      weaviate.io

      Citation Domains
      • weaviate.io
      Case Sensitive Aliases
      • Name

        Qdrant

        Aliases
        • Qdrant
        • Qdrant Cloud
        Entity Slug

        qdrant

        Primary Domain

        qdrant.tech

        Citation Domains
        • qdrant.tech
        • cloud.qdrant.io
        Case Sensitive Aliases
        • Name

          Zilliz Cloud / Milvus

          Aliases
          • Zilliz Cloud
          • Zilliz
          • Milvus
          Entity Slug

          zilliz-milvus

          Primary Domain

          zilliz.com

          Citation Domains
          • zilliz.com
          • docs.zilliz.com
          • milvus.io
          Case Sensitive Aliases
          • Name

            Elasticsearch

            Aliases
            • Elasticsearch
            • Elastic Cloud
            Entity Slug

            elasticsearch

            Primary Domain

            elastic.co

            Citation Domains
            • elastic.co
            Case Sensitive Aliases
            • Name

              MongoDB Atlas Vector Search

              Aliases
              • MongoDB Atlas Vector Search
              • Atlas Vector Search
              • MongoDB Atlas
              Entity Slug

              mongodb-atlas-vector-search

              Primary Domain

              mongodb.com

              Citation Domains
              • mongodb.com
              • docs.mongodb.com
              Case Sensitive Aliases
              • Name

                Redis

                Aliases
                • Redis
                • Redis Cloud
                Entity Slug

                redis

                Primary Domain

                redis.io

                Citation Domains
                • redis.io
                Case Sensitive Aliases
                • Name

                  Supabase Vector

                  Aliases
                  • Supabase Vector
                  • Supabase
                  Entity Slug

                  supabase-vector

                  Primary Domain

                  supabase.com

                  Citation Domains
                  • supabase.com
                  Case Sensitive Aliases
                  • Name

                    Google Vertex AI Vector Search

                    Aliases
                    • Google Vertex AI Vector Search
                    • Vertex AI Vector Search
                    Entity Slug

                    google-vertex-ai-vector-search

                    Primary Domain

                    cloud.google.com

                    Citation Domains
                    • cloud.google.com
                    Case Sensitive Aliases
                    • Name

                      Amazon OpenSearch Service

                      Aliases
                      • Amazon OpenSearch Service
                      • AWS OpenSearch
                      • OpenSearch
                      Entity Slug

                      amazon-opensearch-service

                      Primary Domain

                      aws.amazon.com

                      Citation Domains
                      • aws.amazon.com
                      • docs.aws.amazon.com
                      • opensearch.org
                      Case Sensitive Aliases
                      • Name

                        Azure AI Search

                        Aliases
                        • Azure AI Search
                        • Microsoft Azure AI Search
                        Entity Slug

                        azure-ai-search

                        Primary Domain

                        azure.microsoft.com

                        Citation Domains
                        • azure.microsoft.com
                        • learn.microsoft.com
                        Case Sensitive Aliases
                        • Name

                          Vespa

                          Aliases
                          • Vespa.ai
                          • Vespa
                          Entity Slug

                          vespa

                          Primary Domain

                          vespa.ai

                          Citation Domains
                          • vespa.ai
                          • docs.vespa.ai
                          Case Sensitive Aliases
                          • Vespa
                        • Name

                          Chroma

                          Aliases
                          • ChromaDB
                          • Chroma
                          Entity Slug

                          chroma

                          Primary Domain

                          trychroma.com

                          Citation Domains
                          • trychroma.com
                          • docs.trychroma.com
                          Case Sensitive Aliases
                          • Chroma
                        • Name

                          LanceDB

                          Aliases
                          • LanceDB
                          • LanceDB Cloud
                          Entity Slug

                          lancedb

                          Primary Domain

                          lancedb.com

                          Citation Domains
                          • lancedb.com
                          • docs.lancedb.com
                          Case Sensitive Aliases
                          • Name

                            Turbopuffer

                            Aliases
                            • Turbopuffer
                            Entity Slug

                            turbopuffer

                            Primary Domain

                            turbopuffer.com

                            Citation Domains
                            • turbopuffer.com
                            Case Sensitive Aliases
                            • Name

                              Cloudflare Vectorize

                              Aliases
                              • Cloudflare Vectorize
                              • Vectorize
                              Entity Slug

                              cloudflare-vectorize

                              Primary Domain

                              cloudflare.com

                              Citation Domains
                              • cloudflare.com
                              • developers.cloudflare.com
                              Case Sensitive Aliases
                              • Vectorize

                            Benchmark Version

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

                            Evaluation Surface

                            Search

                            A common Rank.ai web-search tool is available to all three configured models.

                            Gateway

                            Rank.ai's configured OpenRouter-compatible gateway

                            Not Consumer Products

                            Results measure the configured model/API runs, not the ChatGPT, Claude, or Gemini consumer application interfaces.

                            Strict Completeness

                            Prompt Count

                            12

                            Provider Count

                            3

                            Required Successful Runs

                            36

                            Measurement Semantics

                            Confidence

                            A value of 1.0 means the complete frozen cohort passed the deterministic extraction and publication gates; it is not a statistical confidence interval.

                            Citation Share Denominator

                            Distinct answer-level HTTP(S) citation URLs whose URL-derived hostname matches any reviewed brand domain.

                            Presence Share Denominator

                            The sum of reviewed-brand answer-presences. One answer may contribute presence to multiple brands.

                            Mention Coverage Denominator

                            36 answers: all 12 prompts multiplied by 3 configured providers.

                            Provider Citation Share Denominator

                            Distinct reviewed-brand-domain citations within the named configured model API provider's 20-answer cohort.

                            Recommendation Presence Denominator

                            24 answers: recommendation-intent prompts multiplied by 3 configured providers.

                            Provider Mention Coverage Denominator

                            12 prompts for the named configured model API provider.

                            Provider Recommendation Presence Denominator

                            8 recommendation-intent prompts for the named configured model API provider.

                            Provider Matrix Version

                            64232fd32583

                            Recommendation Semantics

                            Presence means mentioned or cited in an answer to a recommendation-intent prompt. It does not claim positive recommendation, endorsement, or sentiment.

                            Enter your website. In about two minutes, Rank.ai asks ChatGPT, Claude and Gemini 12 questions your customers ask and grades how often they name you.

                            • Your grade out of 100How often AI names you, cites your site, and how high it ranks you.
                            • Who gets namedEvery competitor in the answers, most named first.
                            • The pages AI readsThe sources behind each answer.
                            • Three fixesWhat to fix first, with a brief for the first article.