# Klaviyo vs ActiveCampaign: which do AI models recommend for ecommerce marketing, September 2026

GTM AI Recommendation Index, September 2026 Edition, Ecommerce marketing. One of twelve models named Klaviyo first on the direct prompt; zero named ActiveCampaign. Page: https://gtm-ai-index.com/marketing/ecommerce-marketing/klaviyo-vs-activecampaign/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Klaviyo | 18% | #2 of 10 | 18% | 45 | 11 of 12 |
| ActiveCampaign | 2% | #6 of 10 | 12% | 26 | 10 of 12 |

## The direct prompt, model by model

- GLM 4.7 FlashX: klaviyo first (first choices: Klaviyo) (alternatives: BigCommerce, HubSpot Marketing Hub, Shopify)
- Gemini 3.5 Flash: neither first, one named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign, Klaviyo, Salesforce Marketing Cloud Account Engagement)
- Grok 4.1 Fast: neither first, one named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign, BigCommerce B2B Edition, Klaviyo, Salesforce Marketing Cloud Account Engagement)
- Mistral Small: neither first, one named (first choices: BigCommerce B2B Edition, HubSpot Marketing Hub) (alternatives: ActiveCampaign, Klaviyo, Shopify, VTEX)
- DeepSeek V4 Flash: neither first, one named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign, Adobe Commerce, BigCommerce B2B Edition, Klaviyo, Shopify)
- Qwen 3.7 Flash: neither first, one named (first choices: BigCommerce B2B Edition, HubSpot Marketing Hub) (alternatives: ActiveCampaign, Shopify)
- Kimi K2: neither first, one named (first choices: BigCommerce B2B Edition, HubSpot Marketing Hub) (alternatives: Klaviyo)
- Claude Haiku 4.5: neither named (first choices: BigCommerce B2B Edition, HubSpot Marketing Hub) (alternatives: OroCommerce)
- GPT-5.4 mini: neither named (first choices: HubSpot Marketing Hub) (alternatives: Adobe Commerce, BigCommerce, Salesforce B2B Commerce)
- Perplexity Sonar: neither named (first choices: BigCommerce B2B Edition) (alternatives: Adobe Commerce, OroCommerce, Shopify)
- Llama 4 Maverick: neither named (first choices: BigCommerce) (alternatives: SCAYLE, Shopify, Shopware, VTEX)
- MiniMax M2.5: neither named (first choices: BigCommerce B2B Edition) (alternatives: Adobe Commerce, SAP Commerce, Shopify Plus with B2B Suite)

## What the models said about Klaviyo

- "Klaviyo — The Most Controversial Right Now ... Trustpilot rating: 1.9/5 ... the worst rating of any major platform researched" (DeepSeek V4 Flash, negative prompt, hard negative)
- "The market leader for Shopify/Shopify Plus environments, but highly capable on other platforms. Incredibly strong for segmentation, ease of use, and fast time-to-value" (Gemini 3.5 Flash, scale prompt, first choice)
- "Klaviyo | Mid-market to Enterprise Brands | Deep native Shopify integrations, highly granular behavioral segmentation, and predictive analytics." (Qwen 3.7 Flash, comparative prompt, first choice)
- "Klaviyo ⭐ *Best for Data-Driven Ecommerce* ... Most sophisticated predictive analytics and customer data platform for ecommerce" (Mistral Small, comparative prompt, first choice)

## What the models said about ActiveCampaign

- "ActiveCampaign — Billing Transparency Issues ... Trustpilot: 2.8/5 across 1,405 reviews — sharply negative" (DeepSeek V4 Flash, negative prompt, hard negative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.