# Ecommerce marketing: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "ecommerce marketing platform" and as "marketing tool for an online store", six framings each, to twelve models with search on, on behalf of a mid-market B2B company. Page: https://gtm-ai-index.com/marketing/ecommerce-marketing/

**Standing:** HubSpot Marketing Hub leads with 36% of first choices; verdict contested. 50 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | HubSpot Marketing Hub | 36% | 15% | 34 |
| 2 | Klaviyo | 18% | 18% | 45 |
| 3 | Omnisend | 10% | 7% | 29 |
| 4 | WooCommerce | 8% | 0% | 12 |
| 5 | BigCommerce | 6% | 8% | 12 |
| 6 | ActiveCampaign | 2% | 12% | 26 |
| 7 | Shopify | 2% | 15% | 27 |
| 8 | Brevo | 0% | 0% | 13 |
| 9 | Salesforce Marketing Cloud | 0% | 18% | 11 |
| 10 | Mailchimp | 0% | 50% | 22 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: BigCommerce B2B Edition, HubSpot Marketing Hub; alternatives OroCommerce
- GPT-5.4 mini: HubSpot Marketing Hub; alternatives Adobe Commerce, BigCommerce, Salesforce B2B Commerce
- Gemini 3.5 Flash: HubSpot Marketing Hub; alternatives ActiveCampaign, Klaviyo, Salesforce Marketing Cloud Account Engagement
- Perplexity Sonar: BigCommerce B2B Edition; alternatives Adobe Commerce, OroCommerce, Shopify
- Grok 4.1 Fast: HubSpot Marketing Hub; alternatives ActiveCampaign, BigCommerce B2B Edition, Klaviyo, Salesforce Marketing Cloud Account Engagement
- Mistral Small: BigCommerce B2B Edition, HubSpot Marketing Hub; alternatives ActiveCampaign, Klaviyo, Shopify, VTEX
- DeepSeek V4 Flash: HubSpot Marketing Hub; alternatives ActiveCampaign, Adobe Commerce, BigCommerce B2B Edition, Klaviyo
- Llama 4 Maverick: BigCommerce; alternatives SCAYLE, Shopify, Shopware, VTEX
- Qwen 3.7 Flash: BigCommerce B2B Edition, HubSpot Marketing Hub; alternatives ActiveCampaign, Shopify
- Kimi K2: BigCommerce B2B Edition, HubSpot Marketing Hub; alternatives Klaviyo
- GLM 4.7 FlashX: Klaviyo; alternatives BigCommerce, HubSpot Marketing Hub, Shopify
- MiniMax M2.5: BigCommerce B2B Edition; alternatives Adobe Commerce, SAP Commerce, Shopify Plus with B2B Suite

## Sources the answers cite

19 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- theretailexec.com: 6 answers, 7 citations
- shopify.com: 5 answers, 6 citations
- bigcommerce.com: 4 answers, 4 citations
- learn.g2.com: 4 answers, 4 citations
- elogic.co: 3 answers, 6 citations
- emailvendorselection.com: 3 answers, 4 citations
- emailtooltester.com: 3 answers, 3 citations
- forbes.com: 3 answers, 3 citations

Pages named in the most answers:

- https://learn.g2.com/best-ecommerce-platforms (4 answers)
- https://bigcommerce.com/articles/ecommerce/ecommerce-platforms (3 answers)
- https://sender.net/blog/email-marketing-platforms-for-ecommerce (3 answers)
- https://theretailexec.com/tools/best-ecommerce-marketing-tools (3 answers)
- https://amzprep.com/top-25-ecommerce-platforms-north-america (2 answers)
- https://commercepundit.com/blog/affordable-e-commerce-platforms-for-small-businesses (2 answers)
- https://dokan.co/blog/499087/best-cheap-ecommerce-platforms (2 answers)
- https://elogic.co/blog/b2b-ecommerce-platform-comparison (2 answers)
- https://emailtooltester.com/en/blog/best-email-marketing-for-ecommerce (2 answers)
- https://emailvendorselection.com/best-ecommerce-platforms-review (2 answers)

## Warned against

- Mailchimp: 11 of 22 labels negative. "Mailchimp\u2019s pricing structures have climbed sharply ... count unsubscribed, cleaned, and archived contacts toward your monthly billing threshold" (Gemini 3.5 Flash, negative prompt)
- Klaviyo: 8 of 45 labels negative. "Klaviyo — The Most Controversial Right Now ... Trustpilot rating: 1.9/5 ... the worst rating of any major platform researched" (DeepSeek V4 Flash, negative prompt)
- HubSpot Marketing Hub: 5 of 34 labels negative. "Avoid Klaviyo and HubSpot Early On" (Gemini 3.5 Flash, budget prompt)
- Yotpo: 3 of 8 labels negative. "Atrocious/nearly absent account support, chat support that always has to "get back to you later," closing tickets without resolution" (DeepSeek V4 Flash, negative prompt)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, September 2026 Edition, gtm-ai-index.com.