Business category · Mexico
Book Publishing
20 AI answers to 5 prompts name 16 brands. Fondo de Cultura Económica leads with 18.1% of mentions; the top 3 hold 42.6%.
Level 2n = 20 answers5 promptsupdated Oct 25, 2026AI Mode5ChatGPT5AI Overviews5Gemini5
AI answers
20
5 prompts
Last run Oct 25, 2026
Brands seen
16
Top 3 hold 42.6%
n = 20 answers
Concentration
Fragmented
HHI 976 · leader 18.1%
Leader
Fondo de Cultura Económica
18.1% of mentions
Avg. position #2.6
Top engine
AI Mode
25% of answers
4 engines sampled
Sources cited
59
Top: fce.com.mx 15.3%
n = 20 answers
Visibility indexes
1 index · size = AI answers · colour = top-3 brand share
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 Book Publishing answers
- 1Fondo de Cultura Económicaavg. #2.618.1%17
- 2Penguin Random Houseavg. #5.212.8%12
- 3Sexto Pisoavg. #3.311.7%11
- 4Almadíaavg. #3.69.6%9
- 5Editorial Porrúaavg. #4.18.5%8
n = 20 answers16 brands seen in total
Market concentrationFragmented
FragmentedModerateConcentrated
HHI 976Leader 18.1%Top 3 42.6%
Fragmented: no brand dominates. The top 3 hold 42.6% of mentions; the leader 18.1%.
Answers behind the ranking
Every engine sampled
- Google AI Mode5
- ChatGPT5
- AI Overviews5
- Gemini5