# Doofinder vs Clerk.io: which do AI models recommend for ecommerce search, October 2026

GTM AI Recommendation Index, October 2026 Edition, Ecommerce search and merchandising. Zero of fourteen models named Doofinder first on the direct prompt; one named Clerk.io. Page: https://gtm-ai-index.com/marketing/ecommerce-search-and-merchandising/doofinder-vs-clerk-io/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Doofinder | 12% | #2 of 11 | 0% | 25 | 12 of 14 |
| Clerk.io | 2% | #6 of 11 | 6% | 16 | 9 of 14 |

## The direct prompt, model by model

- MiniMax M2.5: clerk.io first (first choices: Clerk.io, Searchspring) (alternatives: Experro, Klevu, Nosto)
- Perplexity Sonar: neither first, one named (first choices: Coveo) (alternatives: Algolia, Bloomreach Discovery, Constructor, Doofinder)
- 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)
- 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 Doofinder

- "Doofinder - Offers conversion-focused search with quick-setup AI search for SMB and mid-market, starting at $49/month." (Llama 4 Maverick, paraphrase prompt, first choice)
- "Doofinder appears to be the best ecommerce search and merchandising platform for companies with limited budgets" (MiniMax M2.5, budget prompt, first choice)
- "Doofinder – Best All-Around for SMBs ... public, transparent pricing starting around $35–$49/month" (Qwen 3.7 Flash, budget prompt, first choice)

## 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)

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.