# Omnisend vs BigCommerce: which do AI models recommend for ecommerce marketing, September 2026

GTM AI Recommendation Index, September 2026 Edition, Ecommerce marketing. Zero of twelve models named Omnisend first on the direct prompt; one named BigCommerce. Page: https://gtm-ai-index.com/marketing/ecommerce-marketing/omnisend-vs-bigcommerce/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Omnisend | 10% | #3 of 10 | 7% | 29 | 11 of 12 |
| BigCommerce | 6% | #5 of 10 | 8% | 12 | 8 of 12 |

## The direct prompt, model by model

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

- "Omnisend | Consumer-focused; lacks B2B lead nurturing features" (Kimi K2, paraphrase prompt, hard negative)
- "While generally well-liked (4.6/5 rating), be cautious about: Poor deliverability" (DeepSeek V4 Flash, negative prompt, soft negative)
- "the best ecommerce marketing platform is Omnisend (free plan for up to 250 contacts and 500 emails/month, paid plans from $16/month)" (Grok 4.1 Fast, budget prompt, first choice)
- "Omnisend ⭐ *Best Value for Multichannel Ecommerce* ... Best ROI-to-price ratio with global SMS coverage and built-in AI" (Mistral Small, comparative prompt, first choice)

## What the models said about BigCommerce

- "Complaints: Terrible customer service (unresponsive, hard to reach); recent Trustpilot spikes in negativity." (Grok 4.1 Fast, negative prompt, soft negative)
- "The best ecommerce marketing platform for a company with a limited budget is BigCommerce Standard at $29/month" (Llama 4 Maverick, budget prompt, first choice)

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.