# Ecommerce platforms: what AI models recommend, September 2026

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

**Standing:** BigCommerce B2B Edition leads with 27% of first choices; verdict contested. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | BigCommerce B2B Edition | 27% | 0% | 14 |
| 2 | BigCommerce | 18% | 3% | 38 |
| 3 | WooCommerce | 18% | 18% | 33 |
| 4 | Shopify | 16% | 7% | 60 |
| 5 | Square Online | 9% | 5% | 19 |
| 6 | OroCommerce | 2% | 9% | 11 |
| 7 | Ecwid | 2% | 0% | 10 |
| 8 | Wix | 0% | 15% | 13 |
| 9 | Squarespace | 0% | 18% | 11 |
| 10 | Adobe Commerce | 0% | 41% | 39 |
| 11 | Salesforce Commerce Cloud | 0% | 33% | 15 |

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: BigCommerce; alternatives Adobe Commerce, SAP Commerce Cloud, Salesforce B2B Commerce
- Gemini 3.5 Flash: BigCommerce B2B Edition; alternatives OroCommerce, Sana Commerce, Shopify
- Perplexity Sonar: BigCommerce B2B Edition; alternatives Adobe Commerce, OroCommerce, SAP Commerce Cloud, Shopify
- Grok 4.1 Fast: BigCommerce B2B Edition; alternatives Shopify
- Mistral Small: Shopify Plus B2B; alternatives BigCommerce B2B Edition
- DeepSeek V4 Flash: BigCommerce B2B Edition; alternatives Adobe Commerce, Shopify
- Llama 4 Maverick: BigCommerce B2B Edition
- Qwen 3.7 Flash: OroCommerce; alternatives BigCommerce, Oracle NetSuite Commerce, SAP Commerce Cloud, Salesforce B2B Commerce Cloud
- Kimi K2: BigCommerce B2B Edition; alternatives Adobe Commerce, OroCommerce, Shopify
- GLM 4.7 FlashX: BigCommerce; alternatives Elastic Path, Shopify, VTEX
- MiniMax M2.5: BigCommerce, Shopify; alternatives Adobe Commerce

## Sources the answers cite

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

- shopify.com: 7 answers, 10 citations
- bigcommerce.com: 5 answers, 5 citations
- learn.g2.com: 5 answers, 5 citations
- forbes.com: 4 answers, 4 citations
- guideflow.com: 4 answers, 4 citations
- digitalapplied.com: 3 answers, 3 citations
- hostinger.com: 3 answers, 3 citations
- oroinc.com: 3 answers, 3 citations

Pages named in the most answers:

- https://learn.g2.com/best-ecommerce-platforms (5 answers)
- https://digitalapplied.com/blog/ecommerce-platform-comparison-2026-complete-matrix (3 answers)
- https://hostinger.com/tutorials/best-ecommerce-platforms (3 answers)
- https://shopify.com/blog/best-ecommerce-platforms (3 answers)
- https://virtocommerce.com/blog/best-b2b-ecommerce-platforms (3 answers)
- https://wizcommerce.com/blog/best-b2b-ecommerce-platforms (3 answers)
- https://amzprep.com/top-25-ecommerce-platforms-north-america (2 answers)
- https://bigcommerce.com/articles/ecommerce/software (2 answers)
- https://emailvendorselection.com/best-ecommerce-platforms-review (2 answers)
- https://finance.yahoo.com/small-business/articles/wizcommerce-publishes-2026-ranking-best-143600837.html (2 answers)

## Warned against

- Adobe Commerce: 16 of 39 labels negative. "Avoid: ... attempting Magento without a development budget." (Gemini 3.5 Flash, negative prompt)
- WooCommerce: 6 of 33 labels negative. "Many businesses that started with WooCommerce are now reconsidering their technology stack, with the main reasons including performance issues, maintenance costs, and operational complexity." (Claude Haiku 4.5, negative prompt)
- Zen Cart: 5 of 5 labels negative. "flagged as risky because they can lack updates, modern integrations, and strong security support" (Perplexity Sonar, negative prompt)
- osCommerce: 5 of 5 labels negative. "flagged as risky because they can lack updates, modern integrations, and strong security support" (Perplexity Sonar, 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.