# Clerk.io vs Luigi's Box: which do AI models recommend for ecommerce search, October 2026

GTM AI Recommendation Index, October 2026 Edition, Ecommerce search and merchandising. One of fourteen models named Clerk.io first on the direct prompt; zero named Luigi's Box. Page: https://gtm-ai-index.com/marketing/ecommerce-search-and-merchandising/clerk-io-vs-luigi-s-box/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Clerk.io | 2% | #6 of 11 | 6% | 16 | 9 of 14 |
| Luigi's Box | 2% | #8 of 11 | 0% | 11 | 7 of 14 |

## The direct prompt, model by model

- MiniMax M2.5: clerk.io first (first choices: Clerk.io, Searchspring) (alternatives: Experro, Klevu, Nosto)
- Mistral Small: neither first, one named (first choices: Experro) (alternatives: Clerk.io, Hawksearch)
- Kimi K2: neither first, one named (first choices: Algolia, Bloomreach Discovery) (alternatives: Clerk.io, Constructor, Searchspring)
- GLM 4.7 FlashX: neither first, one named (first choices: Shopify Plus with B2B Suite) (alternatives: Algolia, Bloomreach Discovery, Clerk.io, Searchspring)
- Muse Glimmer 30B: neither first, one named (first choices: Searchspring) (alternatives: Clerk.io, Coveo)
- Claude Haiku 4.5: neither named (first choices: BigCommerce B2B Edition) (alternatives: Bloomreach Discovery, Nosto, OroCommerce, Searchspring)
- GPT-5.4 mini: neither named (first choices: Hawksearch) (alternatives: BigCommerce, Bloomreach Discovery, Constructor)
- Gemini 3.5 Flash: neither named (first choices: Hawksearch) (alternatives: Algolia, Klevu, Searchspring)
- Perplexity Sonar: neither named (first choices: Coveo) (alternatives: Algolia, Bloomreach Discovery, Constructor, Doofinder)
- Grok 4.1 Fast: neither named (first choices: Klevu) (alternatives: Algolia, Searchspring)
- DeepSeek V4 Flash: neither named (first choices: Coveo, Searchspring) (alternatives: Algolia, Klevu)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: BigCommerce) (alternatives: Algolia, Klevu)
- GPT-6 Luna: neither named (first choices: Algolia) (alternatives: Coveo, Hawksearch, Klevu)

## What the models said about Clerk.io

- "avoid highly customizable API-first tools like Algolia or Clerk.io unless they have pre-built themes" (Qwen 3.7 Flash, budget prompt, soft negative)
- "If you want to stop managing 4 different vendors: Choose Clerk.io or Nosto." (GLM 4.7 FlashX, comparative prompt, first choice)
- "Clerk.io (Top Pick for Mid-Market)" (MiniMax M2.5, direct prompt, first choice)
- "Clerk.io is also worth considering if you want a unified platform that includes email and audience automation." (Mistral Small, direct prompt, alternative)

## What the models said about Luigi's Box

- "the best ecommerce search and merchandising platform for a company with a limited budget is Luigi's Box" (Llama 4 Maverick, budget prompt, first choice)
- "High-rated alternatives like Algolia, Klevu, Clerk.io, Luigi's Box, or Fast Simon score well on G2" (Grok 4.1 Fast, negative prompt, alternative)
- "Luigi's Box | Merchandising-led teams wanting strong relevance tuning" (DeepSeek V4 Flash, scale prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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.