GTM AI Index
Index Sales Intent data › Apollo.io vs G2 Buyer Intent
B2B intent data providers · September 2026 Edition

Apollo.io vs G2 Buyer Intent

Two of twelve models named Apollo.io first on the direct prompt; two named G2 Buyer Intent. Apollo.io was named by eleven of the twelve models and G2 Buyer Intent by twelve and Apollo.io carries 27 labels and G2 Buyer Intent 43, so the shares are not directly comparable.

Apollo.io

accepted challenger

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

G2 Buyer Intent

accepted challenger

By G2, Chicago, United States, founded 2012. Named in three categories this edition.

First-choice share25%13%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate7%2%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 14; printed, not drawn.
Labels2743A 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.Bombora was named alongside these two in nine of the twelve direct answers. Bombora vs Apollo.io · Bombora vs G2 Buyer Intent

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 B2B intent data providers page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
Apollo.ioFirst choices, of twelve modelsG2 Buyer Intent
Direct22
Paraphrase15
Comparative01
Budget-constrained100
Scale-constrained00
Negative012 against Apollo.io · 1 against G2 Buyer Intent
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

The direct prompt

The plain question, one answer per model, grouped by where Apollo.io and G2 Buyer Intent stood in it.

Apollo.io first, G2 Buyer Intent an alternative

2 of 12 modelsG2 Buyer Intent was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashApollo.io, HubSpot Breeze Intelligence alternatives: Bombora, G2 Buyer Intent, RB2B, Warmly
GLM 4.7 FlashXApollo.io alternatives: Dealfront, G2 Buyer Intent, RB2B

G2 Buyer Intent first, Apollo.io not the choice

2 of 12 modelsApollo.io was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashBombora, G2 Buyer Intent alternatives: Intentsify, ZoomInfo
MiniMax M2.5Bombora, G2 Buyer Intent alternatives: Apollo Intent, Factors.ai, Intentsify

Neither was the first choice, one was named

6 of 12 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniBombora alternatives: 6sense, AdRoll ABM, Demandbase, G2 Buyer Intent
Perplexity SonarBombora alternatives: 6sense, Dealfront, G2 Buyer Intent
Grok 4.1 FastBombora alternatives: AdRoll ABM, Dealfront, G2 Buyer Intent, ZoomInfo
Mistral SmallMarketBetter alternatives: Apollo.io, Dealfront, Factors.ai
Qwen 3.7 FlashBombora alternatives: AdRoll ABM, Factors.ai, G2 Buyer Intent, Intentsify, Warmly
Kimi K2Bombora, ZoomInfo alternatives: AdRoll ABM, Demandbase, G2 Buyer Intent

Neither was named

2 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice alternatives: Cognism, Dealfront, Demandbase, Intentsify
Llama 4 MaverickBombora, Intentsify alternatives: Abmatic AI, Cognism, Dealfront

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 fifty points.
Apollo.io56%#1 of 14
G2 Buyer Intent6%#3 of 14
The full small business standing →
Mid-marketThe figures above
Apollo.io leads by twelve points.
Apollo.io25%#2 of 14
G2 Buyer Intent13%#3 of 14
The full mid-market standing →
Enterprise
Apollo.io leads by two points.
Apollo.io2%#– of 9
G2 Buyer Intent0%#7 of 9
The full enterprise standing →

What the models said about Apollo.io

No label in this category carried a quote.

What the models said about G2 Buyer Intent

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

“The data is expensive (often $25,000 to $80,000/year depending on your categories) and volume is notoriously low” Gemini 3.5 Flash · negative prompt · soft negative
“Pure Signal Accuracy (SaaS) | G2 Buyer Intent | Highest fidelity for software buyers actively comparing products.” Qwen 3.7 Flash · comparative prompt · first choice
“Start with first-party/review-site signals (e.g., G2/TrustRadius for SaaS: $10K\u2013$50K, high-intent)” Grok 4.1 Fast · negative prompt · first choice
“Go with G2 if you are in B2B SaaS and want to intercept prospects actively comparing software.” Gemini 3.5 Flash · paraphrase prompt · first choice
Also compared

Comparisons are drawn for the top three products in each category. The output is the models' output; nothing here is a recommendation by the index.