Preview. Every figure on this site is currently a fixture, not a measurement — the live crawl has not run yet. Nothing here describes Google's actual results.
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Vector databases

Chroma vs pgvector

Measured weekly since 2026-W25. 12 observations.

Measured 2026-W36 · 2026-08-31 · google.com, gl=us

2026-W36

This week

AI Overview
Not showing
in 0 of 12 weeks
Sources cited
no overview to cite from
Organic results
9
returned on page one
Weekly churn
22%
of the top 10 changes each week
AI Overview, week by week
2026-W252026-W36
How much the top 10 moved

Google is not answering this query itself as of 2026-W36. The 9 results below are the whole page.

Page one

Organic results

#DomainTitleSitelinks
1stackoverflow.comChroma vs pgvector — stackoverflow
2reddit.comChroma vs pgvector in 2026
3redis-vector.ioChroma vs pgvector in 2026
4cloudflare.comA practical guide to Chroma vs pgvector
5docs.weaviate.comWeaviate: Chroma vs pgvector
6towardsdatascience.comChroma vs pgvector in 2026
7pinecone.comA practical guide to Chroma vs pgvector
8vectorize.ioChroma vs pgvector | Vectorize docs
9vespa.comChroma vs pgvector | Vespa docs
Since 2026-W29

Position history

DomainW29W30W31W32W33W34W35W36
reddit.com22213222
stackoverflow.com11121111
redis-vector.io33342333
cloudflare.com44434444
docs.weaviate.com55555555
towardsdatascience.com66666676

A dot means the domain was not on page one that week. This is the part no live SERP checker can show you: it needs someone to have been measuring before you asked.

Blocks

Features on this page

AI Overview People Also Ask Related searches Knowledge panel Sitelinks

Filled means Google rendered the block for this query this week. AI Overview, People Also Ask, Related searches, Knowledge panel, Sitelinks — each has its own prevalence across all 4,185 queries.

API

Reproduce this page

Every figure above comes from one call. This is that call — the same endpoint, the same parameters, run once a week.

curl --request GET \
  --url 'https://serpens.p.rapidapi.com/api/v1/search_ai_overview?q=Chroma%20vs%20pgvector&gl=us&hl=en&format=json' \
  --header 'x-rapidapi-host: serpens.p.rapidapi.com' \
  --header 'x-rapidapi-key: YOUR_KEY'

Run it on your own queries

Free tier, no card. The AI Overview endpoint returns the overview, its citations, and the organic results in one response.

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One email each Monday covering Chroma vs pgvector: what changed in the results, which domains moved, and where AI Overview switched on or off. Unsubscribe in one click.