How many sources does an AI Overview cite?

Typically three to five chips, though the carousel can hold more than it displays. Nostimates expands it and returns the full set.

Do AI Overview citations match the blue links below?

Frequently not. Overlap between the citation chips and the top ten organic results runs well under half in our sampling, which is why organic rank is a poor proxy for AI Overview citation.

Google AI Overviews citations tracking

google_ai_overviewscitationsAnonymous

AI Overviews cites through a chip carousel of three to five links above the classic results. Nostimates renders the real SERP with your country and language set, parses every chip including the ones behind the carousel scroll, and reports each URL's frequency across n samples.

How it renders

A horizontal carousel of link chips pinned to the top-right of the summary block, plus inline links inside the summary sentences.

Sampling

Citation sets are the least stable field we return. The same prompt run n times will produce overlapping but non-identical URL sets, which is why we report frequency across samples rather than a list from one run.

Gotcha

The carousel hides chips beyond the visible three. A parser that reads only what is painted undercounts citations by roughly a third — we expand the carousel before extracting.

What the API returns

A single collection call against Google AI Overviews for the citations field, sampled n times and returned as one object per prompt.

{
  "engine": "google_ai_overviews",
  "field": "citations",
  "prompt": "best ai visibility tracking tool",
  "country": "GB",
  "language": "en",
  "n": 30,
  "citations": [
    {
      "url": "https://nostimates.com/engines",
      "domain": "nostimates.com",
      "position": 1,
      "sample_frequency": 0.63
    },
    {
      "url": "https://example.org/guide",
      "domain": "example.org",
      "position": 3,
      "sample_frequency": 0.4
    }
  ]
}

GET /v1/collect?engine=google_ai_overviews&field=citations

Response fields

Key	Type	Notes
url	string	Absolute URL as the engine rendered it, redirects resolved.
domain	string	Registrable domain, normalised for grouping.
position	integer	Order within the citation set for that sample.
sample_frequency	float	Share of the n samples in which this URL appeared.
anchor_text	string \| null	Visible anchor or chip label, when the engine renders one.
first_seen	date	First run in which this URL appeared for this prompt.

What it costs

1 credit per prompt per sample. Citations are included in the base collection — no surcharge.

See credit pricing →

Google AI Overviews citations FAQ

How many sources does an AI Overview cite?: Typically three to five chips, though the carousel can hold more than it displays. Nostimates expands it and returns the full set.
Do AI Overview citations match the blue links below?: Frequently not. Overlap between the citation chips and the top ten organic results runs well under half in our sampling, which is why organic rank is a poor proxy for AI Overview citation.

Track AI Overview citations at the volume that justifies them

This is the highest-traffic surface on the internet that cites sources. Send us your prompt set and target markets and we'll price citation collection across it.

Other Google AI Overviews data

Brand mentions Sources Answer text Share of voice Sentiment Prompt volatility Position Locale variance

Across every engine

Compare how citations behaves on every engine we track.

Citations across all engines →