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Index › Products › Klaviyo SMS · October 2026 Edition
1 category · Ranked

Klaviyo SMS

76Judge labels
3First choices
15Negative labels
14 / 14Models named it
1Category
October 2026 Edition. Every number here is derived from the raw labels under vendor table v2026-10-05.2, every buyer segment counted.
Best standing
4% in SMS & WhatsApp for small business buyers
Rank 19 of 111 in the mid-market standingaccepted challenger
0 of 14 models made it the first choice on the direct prompt; 16% of its 25 labels there were negative.
What the models named instead of Klaviyo SMS →
By buyer segmentRead the same way at every buyer size.
In sms & whatsapp · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Klaviyo SMS for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrantSince September 2026
SMS and WhatsApp marketing platformsMarketing0%19 of 11116%25accepted challenger

Movement

This is the first edition on this tier, so no move can be computed for Klaviyo SMS yet. From the next edition this section shows, per buyer segment and per category, whether its share moved by more than the measured noise floor.

By model

How each model treated Klaviyo SMS across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
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ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.501001
GPT-5.4 mini01012
Gemini 3.5 Flash13004
Perplexity Sonar01012
Grok 4.2001214
Mistral Small00000
DeepSeek V4 Flash01102
Llama 4 Maverick00000
Qwen 3.7 Flash10001
Kimi K211103
GLM 4.7 FlashX01001
MiniMax M2.501113
GPT-6 Luna10001
Muse Glimmer 30B00101

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct7 labelsNone
Paraphrase7 labels1
Comparative22 labels5not counted in share
Budget-constrained9 labelsNone
Scale-constrained14 labels2
Negative17 labels1not counted in share
First choiceAlternativeMentionNegative76 labels in all, every segment counted; 3 of the 9 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“The gold standard for integrating email and SMS under one roof... For Shopify E-com: Start with Klaviyo (for SMS + Email)” Qwen 3.7 Flash · SMS & WhatsApp · comparative prompt · first choice
“Established platforms like Twilio, Klaviyo, Attentive, SimpleTexting with clear pricing and compliance features” Kimi K2 · SMS & WhatsApp · negative prompt · first choice
“If you are a US-based Shopify store, choose Klaviyo (for unified Email/SMS) or Attentive” Gemini 3.5 Flash · SMS & WhatsApp · comparative prompt · first choice
“Shopify ecommerce, want one system for email and SMS: Start with Klaviyo” GPT-6 Luna · SMS & WhatsApp · comparative prompt · first choice

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“Excellent for running unified segments across email and SMS campaigns, though WhatsApp integration is more recent.” MiniMax M2.5 · SMS & WhatsApp · paraphrase prompt · soft negative
“a stronger match than ecommerce-first tools like Klaviyo or broad consumer broadcast tools” Perplexity Sonar · SMS & WhatsApp · paraphrase prompt · soft negative
“leans B2C/ecom (Shopify). Works for B2B with tweaks.” Grok 4.20 · SMS & WhatsApp · direct prompt · soft negative
“it's usually not my first pick for B2B teams” GPT-5.4 mini · SMS & WhatsApp · paraphrase prompt · soft negative

Named alongside

The products named in the same answers as Klaviyo SMS, over the 75 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Klaviyo SMS was named but was not.
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ProductSame answerTook the first choice insteadHead to head
Twilio59 of 7517Not among the top eight
Attentive47 of 753Not among the top eight
SimpleTexting29 of 757Not among the top eight
SlickText26 of 754Not among the top eight
WATI24 of 755Not among the top eight
Bird19 of 751Not among the top eight
Brevo18 of 755Not among the top eight
EZ Texting18 of 751Not among the top eight
Sinch17 of 753Not among the top eight
Postscript16 of 750Not among the top eight
A head-to-head page exists where both products are among a category's top eight. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Klaviyo SMS. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 72 of the 75 answers that named Klaviyo SMS and are not a share of its labels.

Domains cited

emailvendorselection.com32
salesmessage.com31
g2.com28
attentive.com27
sender.net27
infobip.com26
klaviyo.comYour site24
slicktext.com24
twilio.com20
learn.g2.com19

234 of the 258 domain citations in answers naming Klaviyo SMS came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Search and answers

klaviyo.com ranks 4 on Google for the category's searches. In the answers, Klaviyo SMS takes 0% of first choices and Customer.io takes 17%.
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In search

Google, US estimates
Position for “sms marketing platform”
–
not in the top ten
Position for “best sms marketing platform”
4
Searches for its name, Google
210 a month (“klaviyo sms”)
AI search demand for its name, est.
19 a month
Organic visits to its site
about 200,057 a month
Searches its site ranks for
11,117 · 1,511 in the top three
Sites linking to it
30,376
Paid Google search
5 searches its ads show for, about 24 clicks and $572 a month (estimate)
Ads on GoogleDetailLess
20+ ads · 15 text, 4 image, 1 video · 20 shown in the last 30 days

First shown June 2024, as Klaviyo, Inc., verified. Ads started 2025-10 to 2026-09: 15 in the year, 5 before. 100 more by other advertisers linking to it.

On Google's pages: 1 2 3 4

In answers

This edition
Share of first choices
0%
rank 19 of 111 in SMS & WhatsApp
Segment leader
17%
Customer.io
First choices
3 across its categories
Named in
75 answers
Its own site cited
in 72 of the answers that named it

Search figures are US estimates from DataForSEO, read September 28, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.

What it publishes

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Addresses on klaviyo.com
10,320
subdomains included
Content
2,821
counted in the table below
Documentation
2,149
Product · Integration
1,035 · 869
KindPagesLast 90 days2025-10 to 2026-09LatestCategories named
Blog1,01592026-09-28
Glossary or explainer978undated
Case study54802024-04-19
News or press11202025-05-22
Comparison7202026-01-29
Report or ebook4002024-11-15
Template or tool3332026-08-05
Conference or event2202025-11-05
Webinar or virtual event1undated
How it is countedHide how it is counted

Every page klaviyo.com exposes, subdomains included. Kind is read from the address and title. The last 90 days, the latest date and the twelve months count pages by when they were published, from the site's feeds, a date in the address, or the page's own publication date, read from up to a hundred of its most recently changed pages; a page that says only when it last changed is counted in its kind but not in when, so the recent counts are a floor, and a kind none of whose pages gives a publication date reads undated. An event counts as online when its address or title says so (webinar, on demand, virtual or online summit); a conference, summit, trade show, expo or roadshow that does not say so is counted as a conference or event, which on a vendor's site is mostly in person. Read September 29, 2026.

Names read as Klaviyo SMS

What the judge wrote, as written, with how often. The vendor table decides that these count as Klaviyo SMS; a claim can dispute any of them.
Klaviyo 23Klaviyo (SMS add-on) 1

Follow Klaviyo SMS

An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.

Already following? Everything you follow, with a stop for each.

The company

Klaviyo is the company behind Klaviyo SMS.
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On record

Wikidata
Headquarters
Boston, United States
Founded
2012
Ownership
Public, KVYO on New York Stock Exchange

Fetched September 14, 2026. These describe the company, not the product's standing, and a claimed page can dispute any of them. · Wikidata · LinkedIn · Crunchbase

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Klaviyo SMS's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Klaviyo SMS, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

What a new claim receivesHide what a new claim receives

A new claim receives the current edition's vendor brief for Klaviyo SMS by email, built from the raw record of the edition. It shows:

  • where Klaviyo SMS is named, by buyer and by framing, and which cells hold its first choices;
  • the claims the models make when they name it, ranked, with the strongest and the weakest quoted;
  • its vocabulary against the segment leader's, and the pages the models cited;
  • who was chosen in the answers that did not name Klaviyo SMS, and every reason the record gives;
  • a battlecard for each top rival: the head-to-head split, why they win, and the reservation quoted against them;
  • one page of published figures cleared to show a buyer.
The subscriber app

A verification link goes to your work email; an address at klaviyo.com is approved on the spot, any other is reviewed by hand. Your email is never published. Claiming gives no say over labels, shares, verdicts or which quotes appear.