▲ Judge.me +9 pts in ChatGPT▼ Yotpo −6 pts in ChatGPT▲ Brevo +27 pts in Gemini▲ Klaviyo +4 pts in Perplexity▲ Gorgias +3 pts in AI Overviews▼ Omnisend −2 pts in ChatGPT▲ Loox +5 pts in Perplexity▲ Splio +6 pts in GeminiBarometer October 2026 · sample data▲ Judge.me +9 pts in ChatGPT▼ Yotpo −6 pts in ChatGPT▲ Brevo +27 pts in Gemini▲ Klaviyo +4 pts in Perplexity▲ Gorgias +3 pts in AI Overviews▼ Omnisend −2 pts in ChatGPT▲ Loox +5 pts in Perplexity▲ Splio +6 pts in GeminiBarometer October 2026 · sample data

AI barometer

What AI assistants recommend to merchants

Every month, what ChatGPT, Perplexity, Gemini and Google AI Overviews recommend to e-commerce merchants.

AI barometerOctober 2026

Who ChatGPT recommends for email marketing

Klaviyo

62%▲4

Brevo

48%▲2

Omnisend

31%▼2

Splio

12%▲1

Share of voice across 18 prompts · sample data

4AI engines

18prompts / category

1stof the month

Editions

AI barometerBarometer

October AI barometer: Judge.me gains 9 points in ChatGPT

Reviews, email marketing, returns: what ChatGPT, Perplexity, Gemini and Google AI Overviews recommended to e-commerce merchants in October.

Oct 18 · 5 min

AI barometerBarometer

September AI barometer: Brevo doubles its share of voice in Gemini

Across 18 tracked email marketing prompts, Brevo went from 24% to 51% of citations in Gemini in one month. The cited sources explain why.