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September 2026 Edition, expanded tier · The six flagship models on every category, as published . The public index runs on the standard tier; this record is what the Expanded Edition Pack delivers on one category. The category page →
Index › GTM › Marketing › Landing pages · September 2026 Edition

Landing pages and interactive content

Asked as “landing page builder”, and as “landing page and interactive content tool”, on behalf of a mid-market B2B software company. 20 first choices recorded across the direct, paraphrase, budget and scale prompts, six models each.
Standing · first-choice share
30%
Unbounce
Contested · Instapage 15%
30Unbounce15Instapage15Outgrow40others

30% of first choices, contested.

ShowinginAll 112 categories in the September 2026 Edition →

The standing

Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all six models, for a mid-market B2B software company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrantSince September 2026
01Unbounce30%10%20endorsed leadernewNew since September 2026: not ranked then, 30% now.
02Instapage15%16%19accepted challengernewNew since September 2026: not ranked then, 15% now.
03Webflow10%7%14accepted challengernewNew since September 2026: not ranked then, 10% now.
04HubSpot Landing Pages5%0%14accepted challengernewNew since September 2026: not ranked then, 5% now.

The floor is 12 points of share, measured: how far the models move a leader on their own when the same questions are asked twice with nothing changed. A larger change is movement; a smaller one can't be told apart from repeat variation, and both are shown. Each index measures its own floor from its own repeat, over its own categories, so the floor differs from one index to the next. How the floor is measured

Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its product page.
Head to head
Unbounce vs InstapageUnbounce vs WebflowUnbounce vs HubSpot Landing Pages
All six head-to-head pages: the top four products, each against each
Instapage vs WebflowInstapage vs HubSpot Landing PagesWebflow vs HubSpot Landing Pages

Recommended versus criticized

Every product with at least 10 labels here, on both axes. The 30% line names a quadrant, not the verdict above: that one needs more than 40%.

Criticized challengerCriticized default
Negative label rate →
01
02
03
04
Accepted challengerEndorsed leader
0%First-choice share → · lines at 30% share and 25% negative50%
Key
01Unbounce30%
02Instapage15%
03Webflow10%
04HubSpot Landing Pages5%

What they warned about

Zero of six models held their first choice under the paraphrase. Claude Opus 5, Claude Opus 4.8, GPT-6 Astra, GPT-5.6 Sol, Gemini 3.1 Pro and Perplexity Sonar Pro changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
Instapage
16%
3 of 19 labels negative · 3 of 6 models
“You're a small business or have a modest ad budget | The Create plan starts at $99 monthly” GPT-5.6 Sol, negative prompt
ClickFunnels
50%
2 of 4 labels negative · 2 of 6 models
“That can be unnecessary expense and complexity if you simply need campaign pages and forms.” GPT-5.6 Sol, negative prompt
Leadpages
25%
2 of 8 labels negative · 2 of 6 models
“You're considering an annual commitment before testing it... subscriptions are nonrefundable after the trial” GPT-6 Astra, negative prompt
Unbounce
10%
2 of 20 labels negative · 2 of 6 models
“Be cautious when… Traffic is high, seasonal or unpredictable | Plans have monthly unique-visitor limits” GPT-5.6 Sol, negative prompt

What they cite

Six of the six models returned a source list in this edition: six return the pages they cited.

Sites the answers cite

28 of 36 answers in this category came back with a source list, from 6 of 6 models: citations where the model returns them, or the search results it consulted. 502 links across 196 sites, every framing counted. Ranked by the number of answers carrying the site or page. None of the 36 answers across every segment cited this index's own page for the category.

unbounce.com
vendor site · Unbounce11 answers · 13 citations · 3 models
emailtooltester.com
10 answers · 14 citations · 3 models
leadpages.com
vendor site · Leadpages10 answers · 13 citations · 6 models
ventureharbour.com
10 answers · 12 citations · 3 models
landingi.com
vendor site · Landingi9 answers · 13 citations · 5 models
zapier.com
vendor site · Zapier9 answers · 9 citations · 3 models
instapage.com
vendor site · Instapage8 answers · 11 citations · 3 models
prismic.io
vendor site · Prismic8 answers · 10 citations · 3 models
klientboost.com
vendor site · KlientBoost8 answers · 9 citations · 3 models
mailerlite.com
vendor site · MailerLite8 answers · 9 citations · 4 models
emailvendorselection.com
8 answers · 8 citations · 3 models
landerlab.io
vendor site · LanderLab7 answers · 9 citations · 2 models

Pages the answers cite

The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.

ventureharbour.com/best-landing-page-builders
10 answers · 3 models
emailtooltester.com/en/blog/best-landing-page-builder
9 answers · 3 models
zapier.com/blog/best-landing-page-builders
9 answers · 3 models
emailvendorselection.com/best-landing-page-builders
8 answers · 3 models
klientboost.com/landing-pages/landing-page-builder
7 answers · 2 models
landingi.com/landing-page/builder
7 answers · 4 models
mailerlite.com/blog/best-landing-page-builders
7 answers · 3 models
prismic.io/blog/the-12-best-landing-page-builders-detailed-comparison
7 answers · 2 models
guideflow.com/blog/best-landing-page-builders
6 answers · 3 models
landerlab.io/blog/best-landing-page-builders
6 answers · 2 models

Search against answers

Each company's standing in the answers beside its site's footprint in Google search, one row a site: the products the models named on it with their shares, and the share they add up to; monthly searches on Google, and DataForSEO's estimate of AI search demand (modeled from search signals, directional, not a count of queries to any assistant), for the most-searched of the company's and its products' names (the name is in each row's hover text); estimated monthly organic visits to the site; and its best position in Google's top ten for “best landing page builder”, “landing page builder”. US estimates from DataForSEO and Google's Ads Transparency Center. A small company's site, or a mid-sized company's site for its flagship, is marked company; a product on a large parent's site (Google, Microsoft) has no site figures. A column with no figures for this category is left out, and an empty cell means none were seen, not none exist. Two measurements side by side: neither is read as the cause of the other.
Company and productsShareOwn site citedName searches, GoogleAI search demand, est.Organic visitsPaid search a month, est.Google ads, last 30 daysBest Google position
Unbounce unbounce.com
Unbounce 30%, Unbounce Experiment 0%		30%1715,40013557,782122
Instapage instapage.com15%1451,60049171,3090
Outgrow outgrow.co15%253,6004,40310,50836
Webflow webflow.com
Webflow 10%, Webflow Optimize 0%		10%10274,0002,193714,656$69059
Carrd carrd.com10%8090,5006797,878
involve.me involve.me10%17720061,47029
HubSpot parent site
HubSpot Landing Pages 5%, HubSpot Marketing Hub 0%, HubSpot Content Hub 0%		5%991368,0009,776
Heyflow heyflow.com5%1
Leadpages leadpages.com0%1212,90010223,10546
Landingi landingi.com0%86720332,5511

Google's top ten for the two searches hold 17 sites; 5 of them are among the sites the models cited here (emailtooltester.com, emailvendorselection.com, mailerlite.com, unbounce.com, zapier.com). The first result for “best landing page builder” is reddit.com.

How they answered

Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
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ModelDirect“What is the best landing page builder for a mid-market B2B software company?”Paraphrase“Which landing page and interactive content tool would you recommend to a mid-sized B2B software company?”Comparative“What are the top landing page builders and how do they differ?”Budget-constrained“What is the best landing page builder for a company with a limited budget?”Scale-constrained“We are a 500 person company evaluating a landing page builder. What should we look at?”Negative“Which landing page builders should I avoid or be cautious about?”
Claude Opus 5Webflow
Two alternativesHubSpot Landing Pages, Unbounce
against: InstapageOutgrow, UnbounceChanged
Three alternativesHubSpot Landing Pages, Instapage, Webflow
against: Ceros, LeadpagesUnbounce
Six alternativesCarrd, ClickFunnels, Instapage, Leadpages, Swipe Pages, Webflow
no first choiceno first choicenothing named
Claude Opus 4.8HubSpot Landing Pages, Unbounce
Two alternativesInstapage, Webflow
Outgrow, UnbounceChanged
Three alternativesHubSpot Landing Pages, Instapage, Typeform
Instapage, Unbounce
One alternativeLeadpages
no first choiceno first choicenothing named
GPT-6 AstraUnbounce
Three alternativesHubSpot Landing Pages, Instapage, Webflow
involve.meChanged
One alternativeUnbounce
no first choiceCarrd
Two alternativesKit, MailerLite
no first choice
Four alternativesHubSpot Landing Pages, Instapage, Unbounce, Webflow
against: ClickFunnels, Instapage, Leadpages, Unbounce, Wix
GPT-5.6 SolWebflow
Four alternativesHubSpot Landing Pages, Instapage, Unbounce, Webflow Optimize
involve.meChanged
Two alternativesOutgrow, Unbounce Experiment
Unbounce
Seven alternativesCarrd, ClickFunnels, HubSpot Landing Pages, Instapage, Landingi, Leadpages, Webflow
Carrd
Three alternativesFramer, HubSpot Landing Pages, Mailchimp Landing Pages
no first choiceagainst: Canva Websites, Carrd, ClickFunnels, Instapage, Mailchimp Landing Pages, Unbounce, Webflow
Gemini 3.1 ProInstapage
Three alternativesHubSpot Marketing Hub, Unbounce, Webflow
Instapage, OutgrowChanged
Three alternativesCeros, HubSpot Marketing Hub, Unbounce
against: Ion Interactiveno first choiceno first choiceInstapage
Three alternativesHubSpot Content Hub, Unbounce, Webflow
nothing named
Perplexity Sonar ProUnbounce
Three alternativesHubSpot Landing Pages, Instapage, Leadpages
Heyflow, UnbounceChanged
One alternativeHubSpot Landing Pages
no first choiceno first choiceno first choicenothing named
Bold is the first choiceAlternatives are counted; the count opens them.What the answer argued against

The record

One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency.
Thirty-six rows: every prompt, every model, every answer.
PromptModelVersion stringTime (UTC)SearchedSourcesLatency
Direct recommendationClaude Opus 5claude-opus-52026-09-09 18:52yes3581 s
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-09 18:52no016 s
Direct recommendationGPT-6 Astragpt-6-astra2026-09-09 15:42yes534 s
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-09 15:43yes641 s
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-10 16:51yes1135 s
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-09 18:53yes205 s
ParaphraseClaude Opus 5claude-opus-52026-09-09 15:44yes4061 s
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-09 15:45no017 s
ParaphraseGPT-6 Astragpt-6-astra2026-09-09 15:46yes418 s
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-09 15:46yes431 s
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-09 15:45no024 s
ParaphrasePerplexity Sonar Prosonar-pro2026-09-09 15:45yes205 s
ComparativeClaude Opus 5claude-opus-52026-09-09 15:47yes2440 s
ComparativeClaude Opus 4.8claude-opus-4-82026-09-09 15:48yes3967 s
ComparativeGPT-6 Astragpt-6-astra2026-09-09 15:50yes957 s
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-09 18:56yes881 s
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-09 15:49no024 s
ComparativePerplexity Sonar Prosonar-pro2026-09-09 15:48yes209 s
Budget constrainedClaude Opus 5claude-opus-52026-09-09 15:52yes2948 s
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-09 15:53yes4043 s
Budget constrainedGPT-6 Astragpt-6-astra2026-09-09 18:57yes521 s
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 18:58yes418 s
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-09 15:53no022 s
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-09 15:53yes206 s
Scale constrainedClaude Opus 5claude-opus-52026-09-09 19:02yes37161 s
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-09 19:03no017 s
Scale constrainedGPT-6 Astragpt-6-astra2026-09-09 19:04yes530 s
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 19:06yes343 s
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-10 16:52no027 s
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-09 15:54yes208 s
Negative framingClaude Opus 5claude-opus-52026-09-09 15:55yes2242 s
Negative framingClaude Opus 4.8claude-opus-4-82026-09-09 15:56yes4053 s
Negative framingGPT-6 Astragpt-6-astra2026-09-09 19:07yes527 s
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-09 19:09yes741 s
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-09 15:57no021 s
Negative framingPerplexity Sonar Prosonar-pro2026-09-09 15:56yes207 s

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

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Category-scoped readings
HubSpot read as HubSpot Landing Pages
Mailchimp read as Mailchimp Landing Pages
Unresolved, counted raw
None awaiting human review.
Discontinued, still offered
No shut-down product was recommended here.

Also in marketing

The other categories of this function, with the leader in each.
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