AI Citation Index — Week of 2026-09-14

This week in AI citations

Between 2026-09-14 and 2026-09-20, Tocho recorded 135 citation observations across Perplexity, ChatGPT, and Gemini.

Citations by model

• Gemini: 135 observations, 30 cited (22.2%)

Domain movers

The domains whose cite rate moved most week-over-week (minimum 3 observations in both weeks):

1. medium.com — 50.0% → 16.7% (-33.3pp, n=6/20)
2. dafiti.com.br — 66.7% → 44.2% (-22.5pp, n=43/3)
3. cartacapital.com.br — 0.0% → 0.0% (+0.0pp, n=26/15)
4. huffpost.com/ca — 0.0% → 0.0% (+0.0pp, n=7/11)
5. lenouvelliste.ca — 0.0% → 0.0% (+0.0pp, n=13/8)
6. chatelaine.com/fr — 0.0% → 0.0% (+0.0pp, n=13/6)
7. dw.com/pt-br — 0.0% → 0.0% (+0.0pp, n=3/6)

Regional highlights

• br: 92 observations, 31.5% cite rate
• ca: 33 observations, 0.0% cite rate
• us: 6 observations, 16.7% cite rate
• cl: 2 observations, 0.0% cite rate
• mx: 2 observations, 0.0% cite rate

Methodology

Every number on this page is computed directly from Tocho's citation_observations table by an unattended script — no manual curation, no cherry-picking. See /methodology for how observations are collected, and /trends for the full historical archive.

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