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Ecommerce platforms · September 2026 Edition

Shopify vs Square Online

One of twelve models named Shopify first on the direct prompt; zero named Square Online. Shopify was named by twelve of the twelve models and Square Online by ten and Shopify carries 60 labels and Square Online 19, so the shares are not directly comparable.

Shopify

accepted challenger

Ottawa, Canada, founded 2006. Named in five categories this edition.

Square Online

accepted challenger

Named in three categories this edition.

First-choice share16%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate7%5%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 11; printed, not drawn.
Labels6019A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Shopify reading right to left. Rank and label count are printed, not drawn.BigCommerce B2B Edition was named alongside these two in seven of the twelve direct answers. BigCommerce B2B Edition vs Shopify · BigCommerce B2B Edition vs Square Online · BigCommerce vs Shopify

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 platforms page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
ShopifyFirst choices, of twelve modelsSquare Online
Direct101 against Shopify
Paraphrase20
Comparative1201 against Square Online
Budget-constrained14
Scale-constrained30
Negative503 against Shopify
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.

Across every category in the September 2026 Edition, Shopify and Square Online were named in the same answer fifty-five times, of the 298 answers naming Shopify and the 61 naming Square Online. In those answers Square Online took the first choice ten times and Shopify twenty-five.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Shopify and Square Online stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Shopify Square Online first choice named as an alternative argued againstblank: not namedEach cell is one answer, Shopify on the left and Square Online on the right.

The direct prompt

The plain question, one answer per model, grouped by where Shopify and Square Online stood in it.

Shopify first, Square Online not the choice

1 of 12 modelsSquare Online was named in the answer but not as the choice, or not at all.
MiniMax M2.5BigCommerce, Shopify alternatives: Adobe Commerce

Neither was the first choice, one was named

7 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashBigCommerce B2B Edition alternatives: OroCommerce, Sana Commerce, Shopify
Perplexity SonarBigCommerce B2B Edition alternatives: Adobe Commerce, OroCommerce, SAP Commerce Cloud, Shopify
Grok 4.1 FastBigCommerce B2B Edition alternatives: Shopify
DeepSeek V4 FlashBigCommerce B2B Edition alternatives: Adobe Commerce, Shopify
Qwen 3.7 FlashOroCommerce alternatives: BigCommerce, Oracle NetSuite Commerce, SAP Commerce Cloud, Salesforce B2B Commerce Cloud, Shopify
Kimi K2BigCommerce B2B Edition alternatives: Adobe Commerce, OroCommerce, Shopify
GLM 4.7 FlashXBigCommerce alternatives: Elastic Path, Shopify, VTEX

Neither was named

4 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
GPT-5.4 miniBigCommerce alternatives: Adobe Commerce, SAP Commerce Cloud, Salesforce B2B Commerce
Mistral SmallShopify Plus B2B alternatives: BigCommerce B2B Edition
Llama 4 MaverickBigCommerce B2B Edition

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
Shopify leads by twenty-five points.
Shopify33%#1 of 9
Square Online8%#4 of 9
The full small business standing →
Mid-marketThe figures above
Shopify leads by seven points.
Shopify16%#4 of 11
Square Online9%#5 of 11
The full mid-market standing →
Enterprise
Square Online is not named for this buyer.
Shopify29%#2 of 10
Square Onlinenot named
The full enterprise standing →

What the models said about Shopify

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“Any standalone website (often run via Shopify or WooCommerce) that sells trending products at steep discounts without clear branding” Qwen 3.7 Flash · negative prompt · soft negative
“Transaction fees (1.6-2% without Shopify Payments), app subscription costs can exceed license fees, potential lock-in” MiniMax M2.5 · negative prompt · soft negative
“1. Shopify 🥇 ... Pick Shopify if: You want an all-in-one solution with minimal technical hassle and strong multi-channel capabilities.” Mistral Small · comparative prompt · first choice
“I'd recommend starting with BigCommerce or Shopify Plus—they balance strong B2B features with manageable complexity and cost” MiniMax M2.5 · direct prompt · first choice
“fast launch, strong for D2C/B2C and growing B2B, best developer experience and app ecosystem, best agentic/AI readiness” DeepSeek V4 Flash · scale prompt · first choice

What the models said about Square Online

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.

“Weaknesses: Limited scalability beyond $1-2M GMV” Mistral Small · comparative prompt · soft negative
“If you have $0 for monthly fees: Choose Square Online.” Qwen 3.7 Flash · budget prompt · first choice
“1. Square Online — FREE Plan ⭐ Best for Tightest Budgets” Kimi K2 · budget prompt · first choice
“🏆 Best Overall Value: Square Online (free plan)” Mistral Small · budget prompt · first choice
Also compared

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.