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Buying question

How should an engineering team evaluate vector search benchmark claims for recall, tail latency, throughput, scale, and total cost?

Which brands each model API named when asked this question, and which pages it cited. Answer text is not published.
Snapshot Sep 12, 2026. Each category is re-run in rotation, every few weeks.

Commercial

Kind of question

3

Model APIs

2

Brands named

8

Pages cited

Brands

Brands the answers named

Ordered by how many model APIs named the brand, then by mentions. A mention is not an endorsement or a position.
Rank#BrandModel APIsMentionsOwn-site citationsNamed by
1MongoDB Atlas Vector Searchmongodb.com101OpenAI
2Zilliz Cloud / Milvuszilliz.com101Google

Model APIs

What each model API returned

One row per model API. The hash identifies the exact answer without publishing it.
Model APIModelBrands namedCitationsDomainsAnswer hash
OpenAIopenai/gpt-4o-miniMongoDB Atlas Vector Search77672a4fa7…7ac60
Anthropicanthropic/claude-haiku-4-5None named00e1a061c9…55d7f
Googlegoogle/gemini-2.5-flashZilliz Cloud / Milvus33c8248eb7…731ee

Sources

Pages the answers cited

Hostnames come from the URLs the answers returned. Best position is the earliest place a page was cited in an answer.
DomainCited pageBest positionCited byCitations
feba-systeme.comhttps://feba-systeme.com/benchmarking-vector-dbs-recall-tail-latency-and-cost1OpenAI · Google2
medium.comhttps://medium.com/@sparknp1/benchmarks-that-actually-pick-your-vector-db-f677a1412d511OpenAI · Google2
vastdata.comhttps://vastdata.com/blog/architecture-behind-our-11x-vector-benchmark2OpenAI1
actian.comhttps://actian.com/blog/databases/how-to-evaluate-vector-databases-in-2026/3OpenAI1
zilliz.comhttps://zilliz.com/blog/vdbbench-adds-cost-aware-benchmarking-for-vector-databases3Google1
bigdataboutique.comhttps://bigdataboutique.com/blog/scaling-vector-search-performance-from-millions-to-billions-8d50a14OpenAI1
mongodb.comhttps://mongodb.com/community/forums/t/atlas-vector-search-performance-guide-benchmarks/3266136OpenAI1
arxiv.orghttps://arxiv.org/html/2507.00379v17OpenAI1
Snapshots
794067bc-f4fa-456f-8063-1db7efff0c35
Question set
vector-database-platforms-2026-07-27
Benchmark version
4-vector-database-platforms-2026-07-27-models-64232fd32583
What is kept
Measured in Vector DBs. Full answers are not stored or published, and no customer data is included.

See how often AI names you.

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.