# Ecommerce search and merchandising for enterprise buyers: 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 an enterprise 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/enterprise/

**Standing:** Coveo leads with 26% of first choices; verdict contested. 53 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Coveo | 26% | 11% | 61 |
| 2 | Algolia | 17% | 21% | 68 |
| 3 | Bloomreach Discovery | 13% | 13% | 62 |
| 4 | Constructor | 9% | 9% | 45 |
| 5 | Constructor.io | 4% | 8% | 12 |
| 6 | Nosto | 4% | 21% | 19 |
| 7 | Searchspring | 4% | 38% | 21 |
| 8 | Elasticsearch | 4% | 42% | 12 |
| 9 | Klevu | 0% | 36% | 22 |

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

- Claude Haiku 4.5: OroCommerce; alternatives Adobe Commerce, SAP Commerce Cloud, Salesforce Commerce Cloud, commercetools
- GPT-5.4 mini: Salesforce Commerce Cloud B2B Commerce; alternatives Algolia
- Gemini 3.5 Flash: Hawksearch; alternatives Algolia, Bloomreach Discovery, Constructor.io, Coveo
- Perplexity Sonar: Coveo; alternatives Algolia, Bloomreach Discovery, Klevu
- Grok 4.1 Fast: Coveo; alternatives Bloomreach Discovery, Constructor, Google Vertex AI Search for Commerce, Klevu
- Mistral Small: Constructor.io, Hawksearch; alternatives Salesforce Commerce Cloud
- DeepSeek V4 Flash: Constructor; alternatives Algolia, Bloomreach Discovery, Coveo, Salesforce Commerce for B2B
- Llama 4 Maverick: Hawksearch; alternatives Constructor, Salesforce Commerce for B2B, StoreHippo
- Qwen 3.7 Flash: Salesforce Commerce Cloud; alternatives Algolia, Bloomreach Discovery, Constructor.io, Coveo
- Kimi K2: Constructor, Coveo; alternatives Algolia, Bloomreach Discovery
- GLM 4.7 FlashX: Bloomreach Discovery, OroCommerce; alternatives Adobe Commerce, Algolia, Coveo, Nosto
- MiniMax M2.5: Coveo; alternatives Algolia, Bloomreach Discovery, Elasticsearch
- GPT-6 Luna: Constructor; alternatives Algolia, Bloomreach Discovery, Coveo
- Muse Glimmer 30B: Bloomreach Discovery, Constructor.io; alternatives Algolia, Hawksearch

## 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, 63 citations
- constructor.com: 40 answers, 60 citations
- g2.com: 34 answers, 51 citations
- netguru.com: 33 answers, 35 citations
- clerk.io: 28 answers, 35 citations
- valiantceo.com: 25 answers, 25 citations
- zoovu.com: 23 answers, 24 citations
- algolia.com: 22 answers, 34 citations

Pages named in the most answers:

- https://netguru.com/blog/ecommerce-search-solutions-product-discovery (28 answers)
- https://guideflow.com/blog/best-ecommerce-search-software (26 answers)
- https://constructor.com/blog/ecommerce-search-product-discovery-solutions (25 answers)
- https://valiantceo.com/the-7-best-ecommerce-search-and-discovery-platforms (25 answers)
- https://guideflow.com/blog/best-e-merchandising-software (23 answers)
- https://zoovu.com/blog/best-ecommerce-search-engine (23 answers)
- https://cs-cart.com/blog/best-ecommerce-search-engines (18 answers)
- https://gitnux.org/best/ecommerce-merchandising-software (13 answers)
- https://learn.g2.com/best-e-merchandising-software (13 answers)
- https://constructor.com/blog/ecommerce-search-product-discovery-solutions?hs_amp=true (12 answers)

## Warned against

- Algolia: 14 of 68 labels negative. "Avoid: Pure usage-based models (Algolia's per-request pricing) - costs can scale unpredictably" (GLM 4.7 FlashX, budget prompt)
- Klevu: 8 of 22 labels negative. "These are not “bad,” but enterprises should verify scale, governance, and complex-workflow fit before committing." (GPT-5.4 mini, negative prompt)
- Searchspring: 8 of 21 labels negative. "Platforms to Strongly Avoid or Approach with Extreme Caution ... Searchspring" (Grok 4.1 Fast, negative prompt)
- Bloomreach Discovery: 8 of 62 labels negative. "Monolithic DXPs Bundling Search/Merchandising (Standalone Usage Risk) ... (e.g., Bloomreach, Adobe Experience Manager + modules, Salesforce Commerce Cloud search layer)" (Qwen 3.7 Flash, 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.