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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Retrieval-augmented generation

context window vs semantic search

Measured weekly since 2026-W25. 12 observations.

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

2026-W36

This week

AI Overview
Showing
in 12 of 12 weeks
Sources cited
4
1 of them not in the top 10
Organic results
9
returned on page one
Weekly churn
12%
of the top 10 changes each week
AI Overview, week by week
2026-W252026-W36
How much the top 10 moved

Google is answering this query itself, and 1 of the 4 sources it credits do not appear in the ten results below.

Citations

What the AI Overview cites

DomainStatusOrganic position
aws.amazon.comCited and ranking1
towardsdatascience.comCited and ranking2
bm25.comCited and ranking8
cloudflare.comCited, not ranking

A domain marked Cited, not ranking is credited in Google's answer while sitting outside the ten organic results. Across the whole corpus that is true of 38.8% of citations.

Page one

Organic results

#DomainTitleIn the overviewSitelinks
1aws.amazon.comContext window vs semantic search — awsCited4
2towardsdatascience.comtowardsdatascience: context window vs semantic searchCited
3github.comContext window vs semantic search in 2026Not cited
4docs.graphrag.comContext window vs semantic search | GraphRAG docsNot cited
5rag.comContext window vs semantic search | RAG docsNot cited
6stackoverflow.comstackoverflow: context window vs semantic searchNot cited
7geeksforgeeks.orgContext window vs semantic search | geeksforgeeks docsNot cited
8bm25.comContext window vs semantic search | BM25 docsCited
9pypi.orgContext window vs semantic search — pypiNot cited
Since 2026-W29

Position history

DomainW29W30W31W32W33W34W35W36
towardsdatascience.com22222222
aws.amazon.com11111111
github.com34333333
docs.graphrag.com43444444
rag.com55655555
geeksforgeeks.org77777777

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=context%20window%20vs%20semantic%20search&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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