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Index › GTM › Marketing › Ecommerce search › Luigi's Box vs Klevu
Ecommerce search and merchandising · November 2026 Edition

Luigi's Box vs Klevu

Seven of fourteen models named Luigi's Box first on the direct prompt; two named Klevu. Luigi's Box was named by twelve of the fourteen models and Klevu by eleven and Luigi's Box carries 26 labels and Klevu 28, so the shares are not directly comparable.

Luigi's Box

accepted challenger

Named in one category this edition.

Klevu

accepted challenger

Named in one category this edition.

First-choice share20%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%21%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 14; printed, not drawn.
Labels2628A 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 Klevu · 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 modelsKlevu
Direct72
Paraphrase31
Comparative00
Budget-constrained001 against Klevu
Scale-constrained00
Negative005 against Klevu
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 Klevu were named in the same answer fourteen times, of the 65 answers naming Luigi's Box and the 70 naming Klevu. In those answers Klevu took the first choice zero times and Luigi's Box two.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Luigi's Box and Klevu stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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 Klevu first choice named as an alternative argued againstblank: not namedEach cell is one answer, Luigi's Box on the left and Klevu on the right.

The direct prompt

The plain question, one answer per model, grouped by where Luigi's Box and Klevu stood in it.

Luigi's Box first, Klevu an alternative

7 of 14 modelsKlevu was named in the answer but not as the choice, or not at all.
Perplexity SonarLuigi's Box alternatives: Coveo for Commerce, Hawksearch
Mistral SmallConstructor, Luigi's Box alternatives: Clerk.io, 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

Klevu first, Luigi's Box not the choice

2 of 14 modelsLuigi's Box was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5Klevu alternatives: BigCommerce, Bloomreach Discovery, Nosto, Searchspring
Kimi K2Klevu alternatives: Algolia, Athos Commerce, Bloomreach Discovery

Neither was the first choice, one was named

4 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashHawksearch alternatives: Algolia, Bloomreach Discovery, Coveo for Commerce, Klevu
Grok 4.20Constructor alternatives: Algolia, Athos Commerce, Bloomreach Discovery, Luigi's Box
GLM 4.7 FlashXAthos Commerce alternatives: Algolia, Constructor, Luigi's Box
GPT-6 LunaAlgolia alternatives: Constructor, Klevu, Searchspring

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniAlgolia alternatives: Adobe Commerce, Bloomreach Discovery, Salesforce B2B Commerce, Searchspring

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 15
Klevu2%#9 of 15
The full small business standing →
Mid-marketThe figures above
Luigi's Box leads by fourteen points.
Luigi's Box20%#2 of 14
Klevu6%#6 of 14
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Luigi's Box2%#5 of 10
Klevu2%#6 of 10
The full enterprise standing →

What 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 Klevu

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Enterprise tools like Klevu, Searchspring, or Constructor: Overkill and expensive” Grok 4.20 · budget prompt · hard negative
“Klevu — can be strong, but pricing/ops fit may vary, and you should test merchandising UX deeply.” GPT-5.4 mini · negative prompt · soft negative
“The combined cost can escalate quickly and becomes significantly higher than competitors” Qwen 3.7 Flash · negative prompt · soft negative
“Klevu is an ecommerce search and navigation platform built for mid-market brands... It provides fast setup, AI-enhanced semantic search, self-service merchandising” Claude Haiku 4.5 · direct prompt · first choice
“Start with Hawksearch or Klevu if you want a balance of ease-of-use, B2B-specific features, reasonable pricing, and quick implementation” Claude Haiku 4.5 · paraphrase prompt · first choice
“Klevu (now part of Athos Commerce) ⭐ *Best Overall for Mid-Market*” Kimi K2 · direct prompt · first choice
Also compared
Algolia vs Luigi's BoxAlgolia vs KlevuLuigi's Box vs DoofinderLuigi's Box vs ConstructorLuigi's Box vs HawksearchLuigi's Box vs SearchaniseLuigi's Box vs Bloomreach DiscoveryDoofinder vs KlevuConstructor vs KlevuHawksearch vs KlevuKlevu vs SearchaniseKlevu 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.