Market intelligence platforms · November 2026 Edition
ZoomInfo vs Similarweb
Five of fourteen models named ZoomInfo first on the direct prompt; zero named Similarweb. ZoomInfo was named by thirteen of the fourteen models and Similarweb by thirteen and ZoomInfo carries 44 labels and Similarweb 38, so the shares are not directly comparable.
Vancouver, Washington, United States, founded 2000. Named in fifteen categories this edition.
Named in six categories this edition.
First-choice share18%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate25%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 13; printed, not drawn.
Labels4438A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ZoomInfo reading right to left. Rank and label count are printed, not drawn.Klue was named alongside these two in ten of the fourteen direct answers. Apollo.io vs ZoomInfo · Apollo.io vs Similarweb · ZoomInfo vs Crunchbase
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
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ZoomInfoFirst choices, of fourteen modelsSimilarweb
Direct502 against ZoomInfo
Paraphrase40
Comparative00
Budget-constrained033 against ZoomInfo
Scale-constrained00
Negative006 against ZoomInfo · 3 against Similarweb
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 ZoomInfo and Similarweb stood in it.
| 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 | | | | |
ZoomInfo Similarweb first choice named as an alternative argued againstblank: not namedEach cell is one answer, ZoomInfo on the left and Similarweb on the right.The direct prompt
The plain question, one answer per model, grouped by where ZoomInfo and Similarweb stood in it.
ZoomInfo first, Similarweb an alternative
5 of 14 modelsSimilarweb was named in the answer but not as the choice, or not at all.Claude Haiku 4.5ZoomInfo alternatives: Apollo.io, Bombora, Crunchbase
Perplexity SonarZoomInfo alternatives: Apollo.io, Crayon, Demandbase, HG Insights, Klue, Similarweb
Grok 4.20Apollo.io, ZoomInfo alternatives: Crayon, Crunchbase, HubSpot Marketing Hub, Klue, Similarweb
MiniMax M2.5ZoomInfo alternatives: Crunchbase, Demandbase, HG Insights
Muse Glimmer 30BHubSpot Marketing Hub, ZoomInfo alternatives: 6sense, Bombora, Crayon, Klue
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.GPT-5.4 miniContify alternatives: Klue, ZoomInfo
Gemini 3.5 FlashAlphaSense, HG Insights, Klue alternatives: Contify, Crayon, Demandbase, ZoomInfo
DeepSeek V4 FlashApollo.io alternatives: 6sense, Bombora, Crayon, HubSpot Breeze Intelligence, HubSpot Marketing Hub, Klue, ZoomInfo
Llama 4 MaverickHubSpot Marketing Hub alternatives: Apollo.io, Crayon, Prospeo, ZoomInfo
Kimi K2Apollo.io alternatives: HG Insights, HubSpot Marketing Hub, Klue, Similarweb
GPT-6 LunaCrayon, Klue alternatives: Contify, Semrush .Trends, Similarweb
Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.Mistral SmallHubSpot Marketing Hub alternatives: Apollo.io, Contify, Klue, ReachStream
Qwen 3.7 FlashApollo.io alternatives: 6sense, Bombora, Crayon, Klue
GLM 4.7 FlashXApollo.io, Prospeo alternatives: HockeyStack, HubSpot Marketing Hub
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
Similarweb leads by seven points.
Similarweb9%#2 of 20ZoomInfo2%#13 of 20Mid-marketThe figures above
The order flips: ZoomInfo leads at mid-market.
ZoomInfo18%#2 of 13Similarweb6%#3 of 13Enterprise
ZoomInfo leads by twenty-three points.
ZoomInfo23%#2 of 18Similarweb0%#12 of 18What 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.
“Best for B2B GTM teams that need company and contact intelligence, technographics, and intent to run outbound and account-based motions” Claude Haiku 4.5 · direct prompt · first choice
“For most mid-market B2B companies, ZoomInfo Sales offers the best balance of coverage, ease of use, and workflow integration.” MiniMax M2.5 · direct prompt · first choice
What the models said about Similarweb
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Similarweb, Semrush, and comparable products estimate online behavior; they should not automatically be treated as audited revenue, customer counts, or total market share.” Perplexity Sonar · negative prompt · soft negative
“The best market intelligence platform for a company with a limited budget is Similarweb, with a starting price of $125/month.” Llama 4 Maverick · budget prompt · first choice
“If you can spend ~$100–$150/month, Similarweb or Semrush provide the best ROI for digital market intelligence.” Qwen 3.7 Flash · budget prompt · first choice
“Similarweb is the overall pick for market intelligence in 2026.” Muse Glimmer 30B · budget prompt · first choice
Also compared
Apollo.io vs ZoomInfoApollo.io vs SimilarwebZoomInfo vs CrunchbaseZoomInfo vs AlphaSenseZoomInfo vs HubSpot Marketing HubZoomInfo vs KlueZoomInfo vs CrayonSimilarweb vs CrunchbaseSimilarweb vs AlphaSenseSimilarweb vs HubSpot Marketing HubSimilarweb vs KlueSimilarweb vs CrayonAll twenty-eight head-to-head pages and the full market intelligence standing
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.