Apollo.io vs ZoomInfo
Twelve of fourteen models named Apollo.io first on the direct prompt; four named ZoomInfo. Apollo.io was named by thirteen of the fourteen models and ZoomInfo by fourteen and Apollo.io carries 68 labels and ZoomInfo 69, 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 sales intelligence and contact data 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 4.20 | | | | | | |
| 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 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
Both were the first choice
2 of 14 modelsThe answer named them together, and the judge labeled each a first choice.Apollo.io first, ZoomInfo an alternative
10 of 14 modelsZoomInfo was named in the answer but not as the choice, or not at all.ZoomInfo first, Apollo.io not the choice
2 of 14 modelsApollo.io was named in the answer but not as the choice, or not at all.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.io87%#1 of 10ZoomInfo2%#4 of 10Apollo.io73%#1 of 9ZoomInfo12%#2 of 9ZoomInfo67%#1 of 8Apollo.io12%#2 of 8What the models said about Apollo.io
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“Apollo's data quality issues are well-documented and compound fast, with 20-30% bounce rates being its most critical weakness” Claude Haiku 4.5 · negative prompt · hard negative
“Both had LinkedIn pages yanked in 2024 for scraping violations and terms of service issues” MiniMax M2.5 · negative prompt · hard negative
“Apollo.io: Best "All-in-One" Platform for Budget-Conscious Mid-Market Teams... Choose Apollo.io. It combines contact databases with sequencing at an unbeatable price point.” Gemini 3.5 Flash · direct prompt · first choice
“If you're looking for a single platform that gives you both discovery and outreach, go with Apollo.io. It's the go-to all-in-one choice for mid-market teams” GLM 4.7 FlashX · paraphrase prompt · first choice
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.
“Multiple 2024 securities class actions alleging misleading investors about financial performance and using coercive auto-renewal policies” MiniMax M2.5 · negative prompt · hard negative
“Platform covers data, intent, seller workflow and API access in one platform; most other tools specialize in one or two layers.” Muse Glimmer 30B · comparative prompt · first choice
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.