Visibility index · Mexico
Online bookstores
20 AI answers to 5 prompts name 8 brands. Librerías Gandhi leads with 19.6% of mentions; the top 3 hold 57.8%.
Level 3n = 20 answers5 promptsupdated Oct 25, 2026AI Mode5ChatGPT5AI Overviews5Gemini5
AI answers
20
5 prompts
Last run Oct 25, 2026
Brands seen
8
Top 3 hold 57.8%
n = 20 answers
Concentration
Moderate
HHI 1,630 · leader 19.6%
Leader
Librerías Gandhi
19.6% of mentions
Avg. position #3.0
Top engine
AI Mode
25% of answers
4 engines sampled
Sources cited
89
Top: buscalibre.com.mx 16.9%
n = 20 answers
What AI answers show
Brands and sources in the sampled answers
n = 20 answers5 promptsOct 25, 2026
Brands AI recommends
Share of brand mentions in Online bookstores answers
- 1Librerías Gandhiavg. #3.019.6%20
- 2El Sótanoavg. #4.119.6%20
- 3Amazonavg. #2.818.6%19
- 4Buscalibreavg. #2.717.7%18
- 5Librería Porrúaavg. #3.811.8%12
n = 20 answers8 brands seen in total
Market concentrationModerate
FragmentedModerateConcentrated
HHI 1,630Leader 19.6%Top 3 57.8%
Moderately concentrated: the top 3 hold 57.8% of mentions; the leader 19.6%.
Answers behind the ranking
Every engine sampled
- Google AI Mode5
- ChatGPT5
- AI Overviews5
- Gemini5