Which back to school brands do AI assistants recommend?

In this week's measurement the most recommended brand is LC Waikiki, named in 18.4% of AI answers to back to school questions, followed by DeFacto and Adidas. The ranking is re-measured every week.

How is this index measured?

Every week, unbranded questions of the kind real users ask are run across 6 AI platforms. Each answer is scored separately for which brands are recommended, where in the answer they appear, and whether the language used about them is positive. Mention rate is computed per individual answer: the same question counts as six answers across the six platforms.

Which AI platforms are tested?

ChatGPT, Gemini, Perplexity, Claude and Google (AI Overview & AI Mode). Results can be filtered by platform.

What does mention rate mean?

It's the share of analyzed AI answers in which a brand is recommended by name or a known alias. A 10% mention rate means the brand appears in one in ten answers.

Why do results differ between AI platforms?

Each AI draws on different sources and surfaces different brands. The sharpest example this week is Faber-Castell: mentioned in 23.0% of Gemini answers but only 5.4% of Perplexity answers. Looking at a single platform is misleading.

How often is the data updated?

The index is published weekly. Published weekly results are frozen and never restated. The data on this page covers the week of 7–13.09.2026.

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Week of 7–13.09.2026

Back to School AI Visibility Index

Name: Back to School AI Visibility Index
Creator: Maya
Published: 11.09.2026

Who do AI assistants recommend when people ask about back to school? Every week we run 1462 unbranded questions — the ones real users actually ask — across ChatGPT, Gemini, Perplexity, Claude and Google (AI Overview & AI Mode), and publish the results here.

Last updated: 11.09.2026

Platform

This week's key findings

LC Waikiki is the sector's most visible brand, recommended in 18.4% of AI answers about back to school — 2.3 points ahead of runner-up DeFacto.
Which AI you ask changes which brand you hear about: Faber-Castell is mentioned in 23.0% of Gemini answers but only 5.4% of Perplexity answers.
LC Waikiki leads overall but doesn't win every category: Faber-Castell takes Kategori: Kırtasiye with 58.2%.
The source AI assistants cite most in these answers is trendyol.com — 25.5% of all citations.
Deuter draws the most positive language in AI answers (sentiment 82/100).

Top brands over time — Mention Rate

Daily Mention Rate of the top 5 brands, all platforms combined

LC WaikikiDeFactoAdidasNikeFaber-Castell

Brand leaderboard

Mention rate: the share of answers recommending the brand. Platform split shows the same brand's visibility across the 6 AI platforms. The change column arrives with the second week.

Platform splitChatGPTGeminiPerplexityClaudeAI OverviewAI Mode

#	Brand	Mention rate	Share of voice	Avg. position	Sentiment	Platform split / strongest
1	LC Waikiki	18.4%	7.4%	1.9	64	Gemini
2	DeFacto	16.1%	6.5%	2.3	63	Claude
3	Adidas	15.9%	6.4%	2.6	66	Claude
4	Nike	15.7%	6.3%	2.2	66	Claude
5	Faber-Castell	15.0%	6.1%	1.7	70	Gemini
6	Koton	11.9%	4.8%	2.8	56	Claude
7	Puma	7.8%	3.2%	3.6	64	Claude

Provider highlights

ChatGPT

Top brand: Faber-Castell 16.6%
Rising: Faber-Castell
Avg. sentiment: 65

Gemini

Top brand: LC Waikiki 24%
Rising: LC Waikiki
Avg. sentiment: 65

Perplexity

Top brand: DeFacto 14.9%
Rising: DeFacto
Avg. sentiment: 64

Claude

Top brand: Nike 24.8%
Rising: Nike
Avg. sentiment: 65

AI Overview

Top brand: LC Waikiki 20.8%
Rising: LC Waikiki
Avg. sentiment: 65

AI Mode

Top brand: LC Waikiki 17.6%
Rising: LC Waikiki
Avg. sentiment: 65

Breakdown by prompt group

Every prompt carries a topic label; each group has its own leaders.

Most cited sources

Domains cited in AI answers to back to school questions

trendyol.comComparison site25.5%
decathlon.com.trBrand site5.2%
hepsiburada.comComparison site4.9%
akakce.comComparison site3.6%
lcw.comNews / Media3.6%
adidas.com.trBrand site2.0%
defacto.com.trBrand site2.0%
faber-castell.com.trBrand site1.4%
nike.comNews / Media1.4%
n11.comComparison site1.4%
barcin.comComparison site1.2%
koton.comBrand site1.0%

Sample prompts

The index is measured with unbranded questions real users ask. A few of the 1462 questions:

“Lisedeyim, uygun fiyatlı ama mürekkebi sayfanın arkasına geçmeyen bir not kalemi arıyorum. Ne önerirsin?”“Çocuğum resim dersine yeni başladı; ilk kuru boya seti için hangi markaya bakmalıyım?”“Lise sırt çantam okuldaki dar dolaba sığmıyor; ince ama bol gözlü bir model önerir misin?”“Üniversite öğrencisiyim, laptopumu da alan ve kabloları dağıtmayan düzenli bir okul çantası arıyorum.”“İlkokula giden çocuğuma sık yıkamada rengi solmayan bir okul pantolonu arıyorum. Ne önerirsin?”“Okul için ekonomik, çoklu paket çorap arıyorum; hangi markalar uygun?”“Ortaokuldaki çocuğuma günlük giyeceği, ayağını terletmeyen bir spor ayakkabı önerir misin?”“Çocuğumun çorbasını sızdırmadan taşıyacak bir yemek termosu arıyorum; hangisini önerirsin?”

Questions are asked in Turkish — the way real users in this market ask them.

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How we measure

The prompt set is curated with sector expertise and versioned; the same questions run on the same platforms every week. A brand's score is the share of analyzed answers in which the brand is recommended by name or known aliases. Platform-days with technical outages are excluded. Published weekly results are frozen and never restated. Mention rate is computed per individual answer: the same question counts as six separate answers across the six platforms.

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Frequently asked questions

Which back to school brands do AI assistants recommend?: In this week's measurement the most recommended brand is LC Waikiki, named in 18.4% of AI answers to back to school questions, followed by DeFacto and Adidas. The ranking is re-measured every week.
How is this index measured?: Every week, unbranded questions of the kind real users ask are run across 6 AI platforms. Each answer is scored separately for which brands are recommended, where in the answer they appear, and whether the language used about them is positive. Mention rate is computed per individual answer: the same question counts as six answers across the six platforms.
Which AI platforms are tested?: ChatGPT, Gemini, Perplexity, Claude and Google (AI Overview & AI Mode). Results can be filtered by platform.
What does mention rate mean?: It's the share of analyzed AI answers in which a brand is recommended by name or a known alias. A 10% mention rate means the brand appears in one in ten answers.
Why do results differ between AI platforms?: Each AI draws on different sources and surfaces different brands. The sharpest example this week is Faber-Castell: mentioned in 23.0% of Gemini answers but only 5.4% of Perplexity answers. Looking at a single platform is misleading.
How often is the data updated?: The index is published weekly. Published weekly results are frozen and never restated. The data on this page covers the week of 7–13.09.2026.