AI Indexes
GTM AI Index
Index › GTM data and infrastructure › Enrichment › Apollo.io vs Hunter
Data enrichment · October 2026 Edition

Apollo.io vs Hunter

Eleven of fourteen models named Apollo.io first on the direct prompt; zero named Hunter. Apollo.io was named by fourteen of the fourteen models and Hunter by eleven and Apollo.io carries 72 labels and Hunter 15, so the shares are not directly comparable.

Apollo.io

endorsed leader

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

Hunter

accepted challenger

By Hunter.io, United States, founded 2015. Named in seven categories this edition.

First-choice share73%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#7A position in a field of 12; printed, not drawn.
Labels7215A 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 Clay · Apollo.io vs ZoomInfo · Apollo.io vs HubSpot Breeze Intelligence

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 modelsHunter
Direct110
Paraphrase100
Comparative10
Budget-constrained141
Scale-constrained00
Negative0010 against Apollo.io
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.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Apollo.io and Hunter stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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 Hunter first choice named as an alternative argued againstblank: not namedEach cell is one answer, Apollo.io on the left and Hunter on the right.

The direct prompt

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

Apollo.io first, Hunter not the choice

11 of 14 modelsHunter 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 4.1 FastApollo.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

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.
Gemini 3.5 FlashClay alternatives: Apollo.io, Cognism, HubSpot Breeze Intelligence, ZoomInfo
Qwen 3.7 FlashUpLead alternatives: Apollo.io, HubSpot Breeze Intelligence

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
Mistral SmallZoomInfo alternatives: Clay, HubSpot Breeze Intelligence, UpLead

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-seven points.
Apollo.io77%#1 of 10
Hunter0%#6 of 10
The full small business standing →
Mid-marketThe figures above
Apollo.io leads by seventy-one points.
Apollo.io73%#1 of 12
Hunter2%#7 of 12
The full mid-market standing →
Enterprise
Apollo.io leads by six points.
Apollo.io6%#3 of 9
Hunter0%#– 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 Hunter

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

“Hunter.io for the cheapest email-only option” Muse Glimmer 30B · budget prompt · first choice
“Hunter (Best for email-focused teams) - Cheap and reliable for email enrichment specifically” MiniMax M2.5 · budget prompt · alternative
“If you only need email addresses, Hunter.io or Lusha may be the most cost-effective choices.” Mistral Small · budget prompt · alternative
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.