# Ecommerce search and merchandising: what AI models recommend, October 2026

GTM AI Recommendation Index, October 2026 Edition. Asked as "ecommerce search and merchandising platform" and as "onsite product search engine for an online store", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Added to the October 2026 Edition on October 4, 2026; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://gtm-ai-index.com/marketing/ecommerce-search-and-merchandising/

**Standing:** Algolia leads with 25% of first choices; verdict contested. 51 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Algolia | 25% | 19% | 63 |
| 2 | Doofinder | 12% | 0% | 25 |
| 3 | Klevu | 10% | 16% | 43 |
| 4 | Searchspring | 8% | 24% | 34 |
| 5 | Coveo | 6% | 31% | 32 |
| 6 | Clerk.io | 2% | 6% | 16 |
| 7 | Bloomreach Discovery | 2% | 35% | 43 |
| 8 | Luigi's Box | 2% | 0% | 11 |
| 9 | Constructor | 0% | 14% | 29 |
| 10 | Nosto | 0% | 13% | 23 |
| 11 | Elasticsearch | 0% | 36% | 14 |

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

- Claude Haiku 4.5: BigCommerce B2B Edition; alternatives Bloomreach Discovery, Nosto, OroCommerce, Searchspring
- GPT-5.4 mini: Hawksearch; alternatives BigCommerce, Bloomreach Discovery, Constructor
- Gemini 3.5 Flash: Hawksearch; alternatives Algolia, Klevu, Searchspring
- Perplexity Sonar: Coveo; alternatives Algolia, Bloomreach Discovery, Constructor, Doofinder
- Grok 4.1 Fast: Klevu; alternatives Algolia, Searchspring
- Mistral Small: Experro; alternatives Clerk.io, Hawksearch
- DeepSeek V4 Flash: Coveo, Searchspring; alternatives Algolia, Klevu
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: BigCommerce; alternatives Algolia, Klevu
- Kimi K2: Algolia, Bloomreach Discovery; alternatives Clerk.io, Constructor, Searchspring
- GLM 4.7 FlashX: Shopify Plus with B2B Suite; alternatives Algolia, Bloomreach Discovery, Clerk.io, Searchspring
- MiniMax M2.5: Clerk.io, Searchspring; alternatives Experro, Klevu, Nosto
- GPT-6 Luna: Algolia; alternatives Coveo, Hawksearch, Klevu
- Muse Glimmer 30B: Searchspring; alternatives Clerk.io, Coveo

## Sources the answers cite

79 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- guideflow.com: 47 answers, 71 citations
- clerk.io: 38 answers, 60 citations
- netguru.com: 37 answers, 39 citations
- valiantceo.com: 34 answers, 34 citations
- learn.g2.com: 28 answers, 28 citations
- zoovu.com: 25 answers, 25 citations
- ringly.io: 24 answers, 29 citations
- gitnux.org: 23 answers, 29 citations

Pages named in the most answers:

- https://guideflow.com/blog/best-ecommerce-search-software (41 answers)
- https://netguru.com/blog/ecommerce-search-solutions-product-discovery (37 answers)
- https://valiantceo.com/the-7-best-ecommerce-search-and-discovery-platforms (34 answers)
- https://zoovu.com/blog/best-ecommerce-search-engine (25 answers)
- https://guideflow.com/blog/best-e-merchandising-software (23 answers)
- https://learn.g2.com/best-e-merchandising-software (23 answers)
- https://gitnux.org/best/ecommerce-merchandising-software (21 answers)
- https://clerk.io/blog/choosing-search-engine-in-2026 (19 answers)
- https://ringly.io/blog/searchspring-alternatives (18 answers)
- https://theretailexec.com/tools/best-ecommerce-search-software (14 answers)

## Warned against

- Bloomreach Discovery: 15 of 43 labels negative. "enterprise-focused, custom pricing almost always $1,000+/month" (DeepSeek V4 Flash, budget prompt)
- Algolia: 12 of 63 labels negative. "Be terrified of consumption-based pricing (Algolia and Coveo both have "cliff" pricing models that blow up as you grow)." (DeepSeek V4 Flash, negative prompt)
- Klevu: 7 of 43 labels negative. "Klevu's G2 review sample is very small, so individual complaints—including one about renewal terms—aren't enough to establish a general pattern" (GPT-6 Luna, negative prompt)
- Searchspring: 8 of 34 labels negative. "Searchspring (now part of Athos Commerce):
   - Red flags: Long onboarding (4+ weeks, sometimes billable during setup)." (Grok 4.1 Fast, 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, October 2026 Edition, gtm-ai-index.com.