Ecommerce search and merchandising · November 2026 Edition
Luigi's Box vs Constructor
Seven of fourteen models named Luigi's Box first on the direct prompt; two named Constructor. Luigi's Box was named by twelve of the fourteen models and Constructor by fourteen and Luigi's Box carries 26 labels and Constructor 42, so the shares are not directly comparable.
Named in one category this edition.
Named in two categories this edition.
First-choice share20%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%19%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 14; printed, not drawn.
Labels2642A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Luigi's Box reading right to left. Rank and label count are printed, not drawn.Bloomreach Discovery was named alongside these two in eight of the fourteen direct answers. Algolia vs Luigi's Box · Algolia vs Constructor · Luigi's Box vs Doofinder
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; every quote names the model and the prompt it came from. Both figures come from the ecommerce search and merchandising page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Luigi's BoxFirst choices, of fourteen modelsConstructor
Direct721 against Constructor
Paraphrase313 against Constructor
Comparative05
Budget-constrained001 against Constructor
Scale-constrained01
Negative003 against Constructor
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Luigi's Box and Constructor were named in the same answer forty-five times, of the 65 answers naming Luigi's Box and the 133 naming Constructor. In those answers Constructor took the first choice eleven times and Luigi's Box seven.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Luigi's Box and Constructor stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | |||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | | |||
| Grok 4.20 | | | | | | |
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | |||
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | | |||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | | | | |||
| Muse Glimmer 30B | | | |
Luigi's Box Constructor first choice named as an alternative argued againstblank: not namedEach cell is one answer, Luigi's Box on the left and Constructor on the right.The direct prompt
The plain question, one answer per model, grouped by where Luigi's Box and Constructor stood in it.
Both were the first choice
1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.Mistral SmallConstructor, Luigi's Box alternatives: Clerk.io, Coveo for Commerce, Hawksearch
Luigi's Box first, Constructor an alternative
6 of 14 modelsConstructor was named in the answer but not as the choice, or not at all.Perplexity SonarLuigi's Box alternatives: Coveo for Commerce, Hawksearch
DeepSeek V4 FlashLuigi's Box alternatives: Athos Commerce, Hawksearch, Klevu
Llama 4 MaverickLuigi's Box alternatives: Athos Commerce, Bloomreach Discovery, Clerk.io, Constructor
Qwen 3.7 FlashLuigi's Box alternatives: Algolia, Bloomreach Discovery, Hawksearch
MiniMax M2.5Luigi's Box alternatives: Athos Commerce, Clerk.io, Hawksearch
Muse Glimmer 30BLuigi's Box alternatives: Bloomreach Discovery, Constructor, Hawksearch
Constructor first, Luigi's Box an alternative
1 of 14 modelsLuigi's Box was named in the answer but not as the choice, or not at all.Grok 4.20Constructor alternatives: Algolia, Athos Commerce, Bloomreach Discovery, Luigi's Box
Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.GLM 4.7 FlashXAthos Commerce alternatives: Algolia, Constructor, Luigi's Box
GPT-6 LunaAlgolia alternatives: Constructor, Klevu, Searchspring
Neither was named
4 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Klevu alternatives: BigCommerce, Bloomreach Discovery, Nosto, Searchspring
GPT-5.4 miniAlgolia alternatives: Adobe Commerce, Bloomreach Discovery, Salesforce B2B Commerce, Searchspring
Gemini 3.5 FlashHawksearch alternatives: Algolia, Bloomreach Discovery, Coveo for Commerce, Klevu
Kimi K2Klevu alternatives: Algolia, Athos Commerce, Bloomreach Discovery
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Luigi's Box leads by seven points.
Luigi's Box9%#3 of 15Constructor2%#11 of 15Mid-marketThe figures above
Luigi's Box leads by twelve points.
Luigi's Box20%#2 of 14Constructor8%#4 of 14Enterprise
The order flips: Constructor leads at enterprise.
Constructor30%#1 of 10Luigi's Box2%#5 of 10What the models said about Luigi's Box
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“the recommended onsite product search engine for a mid-sized B2B company would be one of the top-rated options such as Luigi's Box, Coveo, Bloomreach, Constructor, or HawkSearch” Llama 4 Maverick · paraphrase prompt · first choice
“Luigi's Box stands out for its strong B2B search with product-code recognition and multi-market language support, making it a top choice for mid-market needs.” Mistral Small · direct prompt · first choice
“Luigi's Box: Best B2B search with strong product-code recognition and multi-market language handling.” Llama 4 Maverick · direct prompt · first choice
What the models said about Constructor
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Overkill and expensive ($100s–$1,000s/month); not suitable for limited budgets.” Grok 4.20 · budget prompt · hard negative
“Bloomreach, Coveo, Constructor.io, Google Vertex AI Search for Commerce | SMBs & Mid-Market: ... Avoid them unless you have dedicated merchandising teams” Gemini 3.5 Flash · negative prompt · soft negative
“Constructor — strong product discovery, but ensure the team can handle the learning curve and workflow complexity.” GPT-5.4 mini · negative prompt · soft negative
“Best overall for most mid-market B2B: Constructor — Strongest in AI-driven search, personalization, and merchandising for complex B2B catalogs.” Grok 4.20 · direct prompt · first choice
“My first choice would be Constructor if your buyers see different catalogs, prices, or availability depending on their account.” GPT-6 Luna · paraphrase prompt · first choice
“Luigi's Box and Constructor are top choices due to their B2B-specific features and strong performance.” Mistral Small · direct prompt · first choice
Also compared
Algolia vs Luigi's BoxAlgolia vs ConstructorLuigi's Box vs DoofinderLuigi's Box vs HawksearchLuigi's Box vs KlevuLuigi's Box vs SearchaniseLuigi's Box vs Bloomreach DiscoveryDoofinder vs ConstructorConstructor vs HawksearchConstructor vs KlevuConstructor vs SearchaniseConstructor vs Bloomreach DiscoveryAll twenty-eight head-to-head pages and the full ecommerce search standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.