Research
AI Citation Index — Week of 2026-09-21
141 AI citation observations recorded 2026-09-21 to 2026-09-27, broken down by model, domain movers, and region. Computed directly from Tocho's citation data — no manual curation.
Published 2026-09-29Tocho Team
This week in AI citations
Between 2026-09-21 and 2026-09-27, Tocho recorded 141 citation observations across Perplexity, ChatGPT, and Gemini.
Citations by model
- Gemini: 141 observations, 43 cited (30.5%)
Domain movers
The domains whose cite rate moved most week-over-week (minimum 3 observations in both weeks):
- dafiti.com.br — 44.2% → 70.0% (+25.8pp, n=10/43)
- nuvemshop.com.br — 83.3% → 100.0% (+16.7pp, n=3/6)
- startse.com — 55.6% → 49.0% (-6.5pp, n=51/9)
- medium.com — 16.7% → 22.2% (+5.6pp, n=9/6)
- huffpost.com/ca — 0.0% → 0.0% (+0.0pp, n=7/7)
- lenouvelliste.ca — 0.0% → 0.0% (+0.0pp, n=8/13)
- chatelaine.com/fr — 0.0% → 0.0% (+0.0pp, n=10/13)
- cartacapital.com.br — 0.0% → 0.0% (+0.0pp, n=7/26)
Regional highlights
- br: 103 observations, 39.8% cite rate
- ca: 25 observations, 0.0% cite rate
- us: 9 observations, 22.2% cite rate
- mx: 4 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.