Ecommerce marketing · September 2026 Edition
Klaviyo vs BigCommerce
One of twelve models named Klaviyo first on the direct prompt; one named BigCommerce. Klaviyo was named by eleven of the twelve models and BigCommerce by eight and Klaviyo carries 45 labels and BigCommerce 12, so the shares are not directly comparable.
Boston, United States, founded 2012. Named in fifteen categories this edition.
Named in three categories this edition.
First-choice share18%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate18%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#5A position in a field of 10; printed, not drawn.
Labels4512A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Klaviyo reading right to left. Rank and label count are printed, not drawn.HubSpot Marketing Hub was named alongside these two in nine of the twelve direct answers. HubSpot Marketing Hub vs Klaviyo · HubSpot Marketing Hub vs BigCommerce · Klaviyo vs Omnisend
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; every quote names the model and the prompt it came from. Both figures come from the ecommerce marketing page.
By framing
How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
KlaviyoFirst choices, of twelve modelsBigCommerce
Direct11
Paraphrase101 against Klaviyo
Comparative81
Budget-constrained322 against Klaviyo
Scale-constrained40
Negative105 against Klaviyo · 1 against BigCommerce
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.
Every model, every framing
The seventy-two answers behind the chart above, one cell each: where Klaviyo and BigCommerce stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | |||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | ||||||
| Grok 4.1 Fast | | | | | | |
| Mistral Small | | | | | | |
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | |
Klaviyo BigCommerce first choice named as an alternative argued againstblank: not namedEach cell is one answer, Klaviyo on the left and BigCommerce on the right.The direct prompt
The plain question, one answer per model, grouped by where Klaviyo and BigCommerce stood in it.
Klaviyo first, BigCommerce an alternative
1 of 12 modelsBigCommerce was named in the answer but not as the choice, or not at all.GLM 4.7 FlashXKlaviyo alternatives: BigCommerce, HubSpot Marketing Hub, Shopify
BigCommerce first, Klaviyo not the choice
1 of 12 modelsKlaviyo was named in the answer but not as the choice, or not at all.Llama 4 MaverickBigCommerce alternatives: SCAYLE, Shopify, Shopware, VTEX
Neither was the first choice, one was named
6 of 12 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniHubSpot Marketing Hub alternatives: Adobe Commerce, BigCommerce, Salesforce B2B Commerce
Gemini 3.5 FlashHubSpot Marketing Hub alternatives: ActiveCampaign, Klaviyo, Salesforce Marketing Cloud Account Engagement
Grok 4.1 FastHubSpot Marketing Hub alternatives: ActiveCampaign, BigCommerce B2B Edition, Klaviyo, Salesforce Marketing Cloud Account Engagement
Mistral SmallBigCommerce B2B Edition, HubSpot Marketing Hub alternatives: ActiveCampaign, Klaviyo, Shopify, VTEX
DeepSeek V4 FlashHubSpot Marketing Hub alternatives: ActiveCampaign, Adobe Commerce, BigCommerce B2B Edition, Klaviyo, Shopify
Kimi K2BigCommerce B2B Edition, HubSpot Marketing Hub alternatives: Klaviyo
Neither was named
4 of 12 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5BigCommerce B2B Edition, HubSpot Marketing Hub alternatives: OroCommerce
Perplexity SonarBigCommerce B2B Edition alternatives: Adobe Commerce, OroCommerce, Shopify
Qwen 3.7 FlashBigCommerce B2B Edition, HubSpot Marketing Hub alternatives: ActiveCampaign, Shopify
MiniMax M2.5BigCommerce B2B Edition alternatives: Adobe Commerce, SAP Commerce, Shopify Plus with B2B Suite
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Klaviyo leads by twelve points.
Klaviyo17%#1 of 12BigCommerce6%#6 of 12Mid-marketThe figures above
Klaviyo leads by twelve points.
Klaviyo18%#2 of 10BigCommerce6%#5 of 10Enterprise
The order flips: BigCommerce leads at enterprise.
BigCommerce9%#3 of 12Klaviyo4%#7 of 12What the models said about Klaviyo
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“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 BigCommerce
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“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
Also compared
HubSpot Marketing Hub vs KlaviyoHubSpot Marketing Hub vs BigCommerceKlaviyo vs OmnisendKlaviyo vs WooCommerceKlaviyo vs ActiveCampaignKlaviyo vs ShopifyOmnisend vs BigCommerceWooCommerce vs BigCommerceBigCommerce vs ActiveCampaignBigCommerce vs ShopifyAll twenty-one head-to-head pages and the full ecommerce marketing standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.