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Data enrichment · October 2026 Edition

Apollo.io vs Clay

Eleven of fourteen models named Apollo.io first on the direct prompt; one named Clay. Both were named by all fourteen models and Apollo.io carries 72 labels and Clay 37, so the shares are not directly comparable.

Apollo.io

endorsed leader

San Francisco, United States, founded 2015. Named in twenty-six categories this edition.

Clay

accepted challenger

Named in eleven categories this edition.

First-choice share73%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%11%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 12; printed, not drawn.
Labels7237A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Apollo.io reading right to left. Rank and label count are printed, not drawn.HubSpot Breeze Intelligence was named alongside these two in nine of the fourteen direct answers. Apollo.io vs ZoomInfo · Apollo.io vs HubSpot Breeze Intelligence · Apollo.io vs Cognism

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 data enrichment page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Apollo.ioFirst choices, of fourteen modelsClay
Direct111
Paraphrase101
Comparative111 against Clay
Budget-constrained1401 against Clay
Scale-constrained01
Negative0010 against Apollo.io · 2 against Clay
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 October 2026 Edition, Apollo.io and Clay were named in the same answer 170 times, of the 1056 answers naming Apollo.io and the 234 naming Clay. In those answers Clay took the first choice nine times and Apollo.io seventy-six.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Apollo.io and Clay 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
Apollo.io Clay first choice named as an alternative argued againstblank: not namedEach cell is one answer, Apollo.io on the left and Clay on the right.

The direct prompt

The plain question, one answer per model, grouped by where Apollo.io and Clay stood in it.

Apollo.io first, Clay an alternative

11 of 14 modelsClay was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5Apollo.io alternatives: Cleanlist, Cognism, ZoomInfo
GPT-5.4 miniApollo.io alternatives: Lusha, ZoomInfo
Perplexity SonarApollo.io alternatives: Cognism, UpLead
Grok 4.20Apollo.io alternatives: Cognism, UpLead
DeepSeek V4 FlashApollo.io alternatives: Cleanlist, Cognism, HubSpot Breeze Intelligence, Lusha
Llama 4 MaverickApollo.io alternatives: HubSpot Breeze Intelligence, UpLead
Kimi K2Apollo.io alternatives: Clay, HubSpot Breeze Intelligence
GLM 4.7 FlashXApollo.io alternatives: Clay, Cognism, HubSpot Breeze Intelligence
MiniMax M2.5Apollo.io, HubSpot Breeze Intelligence alternatives: ZoomInfo
GPT-6 LunaApollo.io alternatives: Clay, Cognism, HubSpot Breeze Intelligence
Muse Glimmer 30BApollo.io alternatives: Cognism, HubSpot Sales Hub

Clay first, Apollo.io an alternative

1 of 14 modelsApollo.io was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashClay alternatives: Apollo.io, Cognism, HubSpot Breeze Intelligence, ZoomInfo

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.
Mistral SmallZoomInfo alternatives: Clay, HubSpot Breeze Intelligence, UpLead
Qwen 3.7 FlashUpLead alternatives: Apollo.io, HubSpot Breeze Intelligence

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
Apollo.io leads by seventy-four points.
Apollo.io77%#1 of 10
Clay4%#3 of 10
The full small business standing →
Mid-marketThe figures above
Apollo.io leads by sixty-seven points.
Apollo.io73%#1 of 12
Clay6%#2 of 12
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Apollo.io6%#3 of 9
Clay6%#4 of 9
The full enterprise standing →

What the models said about Apollo.io

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

“data accuracy and billing are the top pain points at scale” Muse Glimmer 30B · negative prompt · hard negative

What the models said about Clay

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

“multi-provider setups built with tools such as Apollo’s waterfall feature or Clay... may make it harder to trace where a particular field came from” GPT-6 Luna · negative prompt · soft negative
“Don't adopt Clay unless you have technical staff to manage workflows.” DeepSeek V4 Flash · negative prompt · soft negative
“requires 3 to 4 additional tools and has unpredictable credit costs” Claude Haiku 4.5 · comparative prompt · soft negative
“Choose Clay if you have a modern, tech-savvy sales/marketing team ... wants the best possible email-finding coverage” Gemini 3.5 Flash · paraphrase prompt · first choice
“Clay (Best for Workflow Orchestration & Waterfall Enrichment): Clay is a market leader for modern GTM teams.” Gemini 3.5 Flash · scale prompt · first choice
“If your strategy is personalized outbound and you want maximum data coverage: Go with Clay.” Gemini 3.5 Flash · comparative prompt · first choice
Also compared

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.