Apollo.io vs ZoomInfo
Three of fourteen models named Apollo.io first on the direct prompt; two named ZoomInfo. Apollo.io was named by eleven of the fourteen models and ZoomInfo by thirteen and Apollo.io carries 20 labels and ZoomInfo 47, so the shares are not directly comparable.
San Francisco, United States, founded 2015. Named in twenty-six categories this edition.
Vancouver, Washington, United States, founded 2000. Named in twenty-six categories this edition.
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 market intelligence platforms page.
By framing
Apollo.ioFirst choices, of fourteen modelsZoomInfo
Across every category in the October 2026 Edition, Apollo.io and ZoomInfo were named in the same answer 499 times, of the 1056 answers naming Apollo.io and the 914 naming ZoomInfo. In those answers ZoomInfo took the first choice eighty-four times and Apollo.io 209.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| 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 ZoomInfo first choice named as an alternative argued againstblank: not namedEach cell is one answer, Apollo.io on the left and ZoomInfo on the right.The direct prompt
Apollo.io first, ZoomInfo not the choice
3 of 14 modelsZoomInfo was named in the answer but not as the choice, or not at all.ZoomInfo first, Apollo.io an alternative
2 of 14 modelsApollo.io was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
6 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.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
Apollo.io31%#1 of 16ZoomInfo2%#12 of 16Apollo.io17%#1 of 12ZoomInfo12%#2 of 12ZoomInfo25%#1 of 14Apollo.io2%#– of 14What the models said about Apollo.io
No label in this category carried a quote.
What the models said about ZoomInfo
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.
“High Caution: ZoomInfo ... frequent complaints of inaccurate/outdated contact data ... Best avoided if: You're a small team” Grok 4.1 Fast · negative prompt · hard negative
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.