Apollo.io vs ZoomInfo
Two of twelve models named Apollo.io first on the direct prompt; one named ZoomInfo. Apollo.io was named by eleven of the twelve models and ZoomInfo by twelve and Apollo.io carries 27 labels and ZoomInfo 37, so the shares are not directly comparable.
San Francisco, United States, founded 2015. Named in twenty categories this edition.
Vancouver, Washington, United States, founded 2000. Named in eighteen categories this edition.
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
Apollo.ioFirst choices, of twelve modelsZoomInfo
Across every category in the September 2026 Edition, Apollo.io and ZoomInfo were named in the same answer 442 times, of the 858 answers naming Apollo.io and the 675 naming ZoomInfo. In those answers ZoomInfo took the first choice sixty-two times and Apollo.io 180.
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 | | |
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
2 of 12 modelsZoomInfo was named in the answer but not as the choice, or not at all.ZoomInfo first, Apollo.io not the choice
1 of 12 modelsApollo.io was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
3 of 12 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
6 of 12 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.io56%#1 of 14ZoomInfo0%#13 of 14Apollo.io25%#2 of 14ZoomInfo4%#5 of 14Apollo.io2%#– of 9ZoomInfo2%#4 of 9What 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. Two of two in this category shown.
“here are the B2B intent data providers ... you should approach with caution ... ZoomInfo (Specifically "Streaming Intent") ... High False Positive Rate” Qwen 3.7 Flash · negative prompt · hard negative
“ZoomInfo Intent: Streaming signals criticized as lowest quality (Bombora-resold + web), inaccurate revenue/employee data, buggy.” 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.