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Index › GTM › GTM data and infrastructure › Enrichment · September 2026 Edition

Data enrichment

Asked as “B2B data enrichment tool”, and as “lead and account enrichment service”, 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
65%
Clear leader
65Apollo.io25Clay05Cognism05others

65% of first choices, clear leader.

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
01Apollo.io65%18%33endorsed leadernewNew since September 2026: not ranked then, 65% now.
02Clay25%26%23criticized challengernewNew since September 2026: not ranked then, 25% now.
03Cognism5%12%26accepted challengernewNew since September 2026: not ranked then, 5% now.
04HubSpot Breeze Intelligence5%19%26accepted challengernewNew since September 2026: not ranked then, 5% now.
Show the two products at 0%, ordered by negative rate
06ZoomInfo0%52%27criticized challengernewNew since September 2026: not ranked then, 0% now.
05Lusha0%24%21accepted challengernewNew since September 2026: not ranked then, 0% 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.
All six head-to-head pages: the top four products, each against each

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
05
06
Accepted challengerEndorsed leader
0%First-choice share → · lines at 30% share and 25% negative80%
Key
01Apollo.io65%
02Clay25%
03Cognism5%
04HubSpot Breeze Intelligence5%
05Lusha0%
06ZoomInfo0%

What they warned about

Two of six models held their first choice under the paraphrase. Claude Opus 5, GPT-6 Astra, GPT-5.6 Sol and Gemini 3.1 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.
ZoomInfo
52%
14 of 27 labels negative · 6 of 6 models · 4 hard negative
“ZoomInfo — the clearest documented pattern... often renews contracts against the wishes of its customers, threatens litigation to enforce renewals” Claude Opus 5, negative prompt
Apollo.io
18%
6 of 33 labels negative · 5 of 6 models
“This isn't a reason to avoid Apollo — it's a reason not to use it as your sole source for EMEA/APAC or for mobile numbers.” Claude Opus 5, negative prompt
Seamless.AI
80%
4 of 5 labels negative · 4 of 6 models · 3 hard negative
“multiple BBB complaints and Trustpilot reviews document customers locked into additional 12-month terms after missing the cancellation deadline” Claude Opus 5, negative prompt
Lusha
24%
5 of 21 labels negative · 4 of 6 models · 1 hard negative
“Italy's data protection authority fined Lusha Systems Inc. €2 million ... The authority also ordered deletion and imposed a processing ban” Claude Opus 5, 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

31 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. 556 links across 207 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.

vendor site · Zapier15 answers · 15 citations · 4 models
vendor site · Cleanlist14 answers · 31 citations · 4 models
vendor site · Salesmotion14 answers · 19 citations · 4 models
vendor site · Demandbase13 answers · 14 citations · 3 models
vendor site · ZoomInfo11 answers · 19 citations · 3 models
vendor site · Apollo.io11 answers · 12 citations · 4 models
vendor site · SMARTe11 answers · 12 citations · 4 models
vendor site · Amplemarket11 answers · 11 citations · 4 models
vendor site · Salesgenie11 answers · 11 citations · 3 models
vendor site · Cognism10 answers · 18 citations · 4 models
vendor site · Snov.io10 answers · 10 citations · 3 models
vendor site · Clay9 answers · 13 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.

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 “b2b data enrichment tool”, “best b2b data enrichment tool”. 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 days
Apollo.io apollo.io65%101033,100396111,60894
Clay clay.com25%287135,000168,089294,05611
Cognism cognism.com5%3493,6006848,68515
HubSpot parent site
HubSpot Breeze Intelligence 5%
5%202368,0009,776
Lusha lusha.com0%28012,10089352,570$1157
People Data Labs peopledatalabs.com0%403,600702,093$1,962101
Hunter hunter.io0%79201,000280,275152,7826
Snov.io snov.io0%563,6007146,5283
BetterContact bettercontact.rocks0%8
Prospeo prospeo.io0%1342,40019403,70414

Google's top ten for the two searches hold 17 sites; 5 of them are among the sites the models cited here (demandbase.com, salesgenie.com, salesmotion.io, smarte.pro, zapier.com). The first result for “b2b data enrichment tool” is zapier.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.
ShowHide
ModelDirect“What is the best B2B data enrichment tool for a mid-market B2B software company?”Paraphrase“Which lead and account enrichment service would you recommend to a mid-sized B2B software company?”Comparative“What are the top B2B data enrichment tools and how do they differ?”Budget-constrained“What is the best B2B data enrichment tool for a company with a limited budget?”Scale-constrained“We are a 500 person company evaluating a B2B data enrichment tool. What should we look at?”Negative“Which B2B data enrichment tools should I avoid or be cautious about?”
Claude Opus 5Apollo.io
Two alternativesClay, HubSpot Breeze Intelligence
against: ZoomInfo
ClayChanged
Three alternativesBetterContact, Cognism, HubSpot Breeze Intelligence
against: Apollo.io, HubSpot Breeze Intelligence, ZoomInfo
no first choice
Five alternativesApollo.io, Clay, Cognism, HubSpot Breeze Intelligence, ZoomInfo
against: Lusha
Apollo.io
Five alternativesFindymail, FullEnrich, Hunter, Lusha, Prospeo
against: 6sense, Amplemarket, Clay, Demandbase, ZoomInfo
no first choiceagainst: Clayagainst: Apollo.io, HubSpot Breeze Intelligence, Lusha, Seamless.AI, ZoomInfo
Claude Opus 4.8Apollo.io
Three alternativesClay, Cognism, HubSpot Breeze Intelligence
against: ZoomInfo
Apollo.ioHeld
Two alternativesCognism, HubSpot Breeze Intelligence
against: ZoomInfo
Apollo.io, ZoomInfo
Three alternativesCognism, HubSpot Breeze Intelligence, Lusha
Apollo.io
Three alternativesHubSpot Breeze Intelligence, Lusha, Snov.io
against: Cognism, ZoomInfo
no first choicenothing named
GPT-6 AstraClay
Four alternativesApollo.io, Cognism, HubSpot Breeze Intelligence, ZoomInfo
Apollo.ioChanged
Three alternativesClay, Cognism, HubSpot Breeze Intelligence
Apollo.io
Six alternativesClay, Cognism, Dun & Bradstreet, HubSpot Breeze Intelligence, People Data Labs, ZoomInfo
against: HubSpot Breeze Intelligence
Apollo.io
One alternativeHunter
against: Clay
no first choice
Five alternativesApollo.io, Clay, Cognism, HubSpot Breeze Intelligence, People Data Labs
against: Apollo.io, Clay, HubSpot Breeze Intelligence, Lusha, Seamless.AI, ZoomInfo
GPT-5.6 SolApollo.io
Four alternativesClay, Cognism, People Data Labs, ZoomInfo
ClayChanged
Four alternativesApollo.io, Cognism, HubSpot Breeze Intelligence, People Data Labs
against: ZoomInfo
Clay
Eight alternativesApollo.io, Cognism, Crunchbase, FullEnrich, HubSpot Breeze Intelligence, Lusha, People Data Labs, ZoomInfo
Apollo.io
Two alternativesBetterContact, Hunter
against: Clay
no first choiceagainst: Apollo.io, Clay, FullEnrich, Kaspr, Lusha, Seamless.AI, ZoomInfo
Gemini 3.1 ProHubSpot Breeze Intelligence
Five alternatives6sense, Apollo.io, Cognism, HG Insights, ZoomInfo
ClayChanged
Three alternativesApollo.io, Cognism, HubSpot Breeze Intelligence
against: ZoomInfo
no first choice
Six alternatives6sense, Apollo.io, Clay, Cognism, HubSpot Breeze Intelligence, ZoomInfo
Apollo.io, Clay
Three alternativesDropcontact, Hunter, Snov.io
against: Cognism, HubSpot Breeze Intelligence, ZoomInfo
Cognism
Five alternativesApollo.io, Dealfront, Echobot, HubSpot Breeze Intelligence, ZoomInfo
against: Apollo.io, Seamless.AI, ZoomInfo
Perplexity Sonar ProApollo.io
Four alternativesClay, Cognism, HubSpot Breeze Intelligence, UpLead
Apollo.ioHeld
Three alternativesAmplemarket, Demandbase, ZoomInfo
no first choice
Seven alternativesApollo.io, Clay, Cognism, HubSpot Breeze Intelligence, Lusha, Snov.io, ZoomInfo
Apollo.io
Three alternativesDatanyze, Lusha, Snov.io
no first choiceagainst: Apollo.io, Cognism, Crunchbase, Dealfront, Lusha, ZoomInfo
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 20:29yes2156 s
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-09 20:30yes3848 s
Direct recommendationGPT-6 Astragpt-6-astra2026-09-09 20:32yes538 s
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-09 20:34yes344 s
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:30no024 s
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-09 20:31yes205 s
ParaphraseClaude Opus 5claude-opus-52026-09-09 20:36yes2262 s
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-09 20:37no018 s
ParaphraseGPT-6 Astragpt-6-astra2026-09-09 20:39yes525 s
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-09 20:40yes751 s
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:40yes1370 s
ParaphrasePerplexity Sonar Prosonar-pro2026-09-10 00:36yes205 s
ComparativeClaude Opus 5claude-opus-52026-09-09 20:43yes3150 s
ComparativeClaude Opus 4.8claude-opus-4-82026-09-09 20:51yes2959 s
ComparativeGPT-6 Astragpt-6-astra2026-09-09 20:54yes974 s
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-09 20:57yes1263 s
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:42yes1141 s
ComparativePerplexity Sonar Prosonar-pro2026-09-09 20:52yes2012 s
Budget constrainedClaude Opus 5claude-opus-52026-09-09 20:59yes3545 s
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-09 21:00yes3049 s
Budget constrainedGPT-6 Astragpt-6-astra2026-09-10 00:37yes424 s
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 21:02yes417 s
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:44no062 s
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-09 21:01yes2010 s
Scale constrainedClaude Opus 5claude-opus-52026-09-09 21:04yes3776 s
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-09 21:05no027 s
Scale constrainedGPT-6 Astragpt-6-astra2026-09-09 21:07yes639 s
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 21:09yes451 s
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:45no026 s
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-09 21:06yes206 s
Negative framingClaude Opus 5claude-opus-52026-09-09 21:12yes4582 s
Negative framingClaude Opus 4.8claude-opus-4-82026-09-09 21:18yes4057 s
Negative framingGPT-6 Astragpt-6-astra2026-09-09 21:20yes651 s
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-09 21:23yes966 s
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:47yes1031 s
Negative framingPerplexity Sonar Prosonar-pro2026-09-09 21:18yes207 s

Normalization in this category

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

ShowHide
Category-scoped readings
None. Every name in this category resolved on its own.
Unresolved, counted raw
None awaiting human review.
Discontinued, still offered
No shut-down product was recommended here.
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