Research
AI Citation Index — Week of 2026-09-28
109 AI citation observations recorded 2026-09-28 to 2026-10-04, broken down by model, domain movers, and region. Computed directly from Tocho's citation data — no manual curation.
Published 2026-10-06Tocho Team
This week in AI citations
Between 2026-09-28 and 2026-10-04, Tocho recorded 109 citation observations across Perplexity, ChatGPT, and Gemini.
Citations by model
- Gemini: 109 observations, 35 cited (32.1%)
Domain movers
The domains whose cite rate moved most week-over-week (minimum 3 observations in both weeks):
- contralinea.com.mx — 0.0% → 100.0% (+100.0pp, n=3/4)
- medium.com — 22.2% → 0.0% (-22.2pp, n=4/9)
- startse.com — 49.0% → 63.6% (+14.6pp, n=11/51)
- chatelaine.com/fr — 0.0% → 0.0% (+0.0pp, n=3/10)
- lenouvelliste.ca — 0.0% → 0.0% (+0.0pp, n=3/8)
- techtudo.com.br — 0.0% → 0.0% (+0.0pp, n=6/12)
Regional highlights
- br: 93 observations, 34.4% cite rate
- mx: 6 observations, 50.0% cite rate
- ca: 6 observations, 0.0% cite rate
- us: 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.