ChatGPT

All figures measured.

#ProductRecommended in
1 Drip 3 of 3
2 Klaviyo 3 of 3
3 LTV AI 3 of 3
4 Omnisend 3 of 3
5 Retention.com 3 of 3

Scanned 12 October 2026. 3 samples from ChatGPT, round 9. 5 products recommended. Methodology v2026-09-29.1.

Perplexity

All figures measured.

#ProductRecommended in
1 ActiveCampaign 3 of 3†
2 Brevo 3 of 3†
3 Drip 3 of 3†
4 Klaviyo 3 of 3†
5 Omnisend 3 of 3†
6 Shopify Email 2 of 3†

† Corrected 12 October 2026: incomplete_round. Some of this round's samples had failed when it was first published. They were collected afterwards with the same questions and settings, and the figures marked † were recomputed. How corrections work

Scanned 12 October 2026. 3 samples from Perplexity, round 9. 6 products recommended. Methodology v2026-09-29.1.

Counts, not percentages: with three samples a percentage would imply a precision the sample size cannot carry. “2 of 3” means the assistant recommended that product in two of its three answers to this question.

Sources the assistants cited

  • apps.shopify.com 2
  • retainful.com 2
  • blog.hubspot.com 2
  • ltv.ai 1
  • gocustomer.ai 1
  • thecmo.com 1
  • g2.com 1
  • emailoctopus.com 1
  • aiautomation.it.com 1
  • templates.rjuuc.edu.np 1
  • guideflow.com 1
  • sequenzy.com 1

Scanned 12 October 2026. 6 samples across ChatGPT and Perplexity, round 9. Methodology v2026-09-29.1.