B2B data providers
Ken is our productZoomInfo vs Seamless.AI: Which Is Better in 2026?
Both quote their main plans through sales. Pick Seamless.AI if you want emails and phone numbers for one credit per contact and an API on every plan; pick ZoomInfo for intent data, website visitors and a free tier that renews every month.
Ken is our product. Every fact about other tools comes from their public pages on the date shown.
The Verdict
ZoomInfo or Seamless.AI?
Ken's view, from each vendor's public pages checked Oct 17, 2026.
Pick ZoomInfo if
- You want buyer intent and website visitor tracking, on Copilot Advanced and up.
- You want a free tier that renews each month.
- You want to pay per record through an API with published credit prices.
Pick Seamless.AI if
- You want a contact's emails, cell phones and direct dials for 1 credit.
- You want credits for invalid emails refunded automatically.
- You want API access on every plan, Free included.
At a Glance
In short Of the 10 features below, ZoomInfo has 7 and Seamless.AI has 8 in full, from each vendor's public pages checked Oct 17, 2026.
| Feature | ZoomInfo | Seamless.AI | Ken(ours) |
|---|---|---|---|
| Free plan or free credits | Yes - ZoomInfo Lite, 10 credits a month; GTM AI gives 1,000 data credits at signup | Yes - 50 credits once, no card | Yes - 1,000 credits once, no card |
| Unlimited users on one plan | No - paid plans priced per license, with a seat minimum | No - no unlimited-user plan published; Basic and Pro credits are per license | Yes - Platform includes unlimited seats and workspaces |
| Work email finder | Yes - 1 credit per exported profile | Yes - 1 credit per contact researched | Yes - 250M people and 24M companies; search is free, 1 credit ($0.02) per valid email found, charged only on success |
| Mobile and direct-dial numbers | Yes - mobile and direct dials from Professional up | Yes - cell phones and direct dials in the same credit as the email | No - work emails only |
| Email verification built in | Partial - emails in its data are verified; no bulk list verifier | Yes - real-time verification; credits refunded for invalid emails | Yes - uploaded lists verified free on Platform (fair-use rate limits apply) |
| Browser extension | Yes - Chrome extension, also on Lite | Yes - Chrome extension, on the Free plan too | No |
| CRM integration (HubSpot, Salesforce) | Yes - Salesforce, HubSpot and more from Professional; HubSpot on Lite | Yes - native Salesforce, HubSpot and Microsoft Dynamics integrations | Partial - email events one way to HubSpot, Salesforce, Pipedrive, Attio, Close and GoHighLevel through OutboundSync; native two-way sync coming |
| Buyer intent data | Yes - on Copilot Advanced and up; Streaming Intent is an add-on | Partial - paid add-on, Buyer Intent uses its own Intent Topics allotment, priced through sales | Coming - Signals |
| API access | Yes - GTM AI API, MCP and CLI, pay-as-you-go credits | Yes - on every plan, Free too; calls use credits | Yes - Ken API and Ken MCP server |
| Built-in email outreach | Partial - AI-drafted emails sent through Gmail, Outlook, Outreach or Salesloft | Yes - Emailing with bulk sends, open and click tracking and inbox warmup | Yes - Campaigns over email and LinkedIn, 200,000 sends a month on Platform |
Rows are the features buyers compare in B2B data providers. Sources are listed at the end of the page.
How Much Do ZoomInfo and Seamless.AI Cost?
In short ZoomInfo has no public subscription price and sells pay-as-you-go credits, priced below. Seamless.AI lists no price for its paid plans.
| Tool | Plan | Monthly | Billed yearly (per month) | Unit |
|---|---|---|---|---|
| ZoomInfo | ZoomInfo Lite | $0 | $0 | Flat |
| Includes10 contact credits a month, 25 with Community Edition; Search, exports, Chrome extension and mobile app; WebSights Lite: up to 10 website visitor reveals a day; Business email required; not open to current or past paid customers | ||||
| ZoomInfo | Professional | Contact sales | Contact sales | Custom |
| IncludesMobile numbers and business emails; Chrome extension and mobile app; CRM integrations (HubSpot, Salesforce and more); AI email generation and intelligent dialing | ||||
| ZoomInfo | Copilot Advanced | Contact sales | Contact sales | Custom |
| IncludesEverything in Professional; Buyer intent signals and website visitors; Account Fit Score, champion tracking and job-change alerts; Workflows for automated outreach, export to Outreach or Salesloft | ||||
| ZoomInfo | Copilot Enterprise | Contact sales | Contact sales | Custom |
| IncludesEverything in Copilot Advanced; Real-time buyer intent and custom intent signals; Custom integrations and advanced workflows; Dedicated customer service manager and white-glove onboarding | ||||
| ZoomInfo | GTM AI (API, MCP and CLI) | Pay as you go | Pay as you go | Usage tiers |
| Includes1,000 data credits and 1,000 AI credits free at signup, no card; Data credits $0.38 each at the $1,000 spend tier; AI credits $0.05 each, flat rate; Search, lookup and find similar never use credits; Top-ups from $20, no contract or seat fees | ||||
| Seamless.AI | Basic | Contact sales | Contact sales | Custom |
| Includes250 Universal Credits per license a month; Credits refresh monthly on the contract start date | ||||
| Seamless.AI | Pro | Contact sales | Contact sales | Custom |
| Includes10,000 Universal Credits per license a month; Credits refresh monthly on the contract date | ||||
| Seamless.AI | Bulk credits | Contact sales | Contact sales | Custom |
| IncludesA shared pool of Universal Credits for the whole organization; Credits do not replenish; buy more when the pool runs out; Admins can set per-user credit limits | ||||
Prices in USD from each vendor's pricing page: ZoomInfo checked Oct 17, 2026, Seamless.AI checked Oct 17, 2026.
- ZoomInfo: Contact sales: Professional, Copilot Advanced and Copilot Enterprise have no public price. ZoomInfo quotes on features, number of licenses and credit usage.
- ZoomInfo: One credit is used per exported contact or company profile, whether from the platform, the Chrome extension or an integration's API call. Packages include a set number of monthly credits, and more can be added.
- ZoomInfo: Paid plans are billed annually and include a minimum number of seats; ZoomInfo says there is no standard monthly option.
- Seamless.AI: Seamless.AI does not publish prices: its pricing page redirects to a demo request form. Contact sales for a quote.
- Seamless.AI: Researching or enriching a contact uses 1 Universal Credit and returns its emails and phone numbers together. AI Assistant interactions and AI-written messages use 0.2 credits each.
- Seamless.AI: Credits for invalid emails are refunded automatically.
What Are the Key Differences Between ZoomInfo and Seamless.AI?
In short 6 differences that change which tool fits, each from the vendors' own pages.
| Topic | ZoomInfo | Seamless.AI |
|---|---|---|
| What one credit buys | One exported contact or company profile | A contact's emails, cell phones and direct dials together |
| Free tier | ZoomInfo Lite, 10 credits a month | 50 credits once, not replenished |
| Email verification | Says the emails in its data are verified | Credits for invalid emails come back automatically |
| Intent data | Copilot Advanced and up; Streaming Intent is an add-on | Buyer Intent is a paid add-on priced through sales |
| Email sending | AI-drafted emails sent through Gmail, Outlook, Outreach or Salesloft | Built-in emailing with bulk sends, open and click tracking and inbox warmup |
| Database size, as each states | 500M+ profiles and 135M+ direct dials | 1.8B+ verified business emails and 414M+ phone numbers |
Or Skip Both: Ken
In short Ken Search covers 250M people and 24M companies, searchable by title, seniority, company and location.
Ken's Free plan gives 1,000 credits once, with no card. Platform is $200 a month, or $160 a month billed yearly, with 200,000 sends and 5,000 credits a month and unlimited seats and workspaces.
- Search 250M people and 24M companies.
- Search is free; you pay only for valid emails found, 1 credit ($0.02) each.
- Company and person enrichment is free.
ZoomInfo vs Seamless.AI FAQ
How much does Seamless.AI cost compared with ZoomInfo?
Neither publishes prices for its main paid plans. Seamless.AI's pricing page goes to a demo form, and ZoomInfo quotes Professional and its Copilot plans on features, licenses and credit usage. Get both quotes for the same seat count and credit volume.
Does Seamless.AI have a free plan?
Yes, 50 credits that do not replenish, with no card. ZoomInfo Lite gives 10 credits every month.
How do you cancel Seamless.AI?
Subscriptions renew automatically. An admin must file a cancellation request at least 60 days before the renewal date and meet with Customer Success.
The new Ken opens to the waiting list in batches.
Related
Sources
Changelog
- Page published.