Seamless.AI vs ZoomInfo
Which Prospecting AI tool is better in 2026?
Seamless.AI
AI-powered sales leads and B2B contact data in real time
ZoomInfo
B2B contact and intent data with AI-powered prospecting.
Side-by-side
Seamless.AI and ZoomInfo look closely matched across funding and pricing — feature fit will likely decide.
| Metric | Seamless.AI | ZoomInfo |
|---|---|---|
| Taglinei | AI-powered sales leads and B2B contact data in real time | B2B contact and intent data with AI-powered prospecting. |
| Foundedi | 2015 | 2007🏆 |
| HQi | Columbus, United States | Vancouver, US |
| Employeesi | 400🏆 | 1000+ |
| Neuron scorei | 64 | 64 |
| Total fundingi | Undisclosed | Undisclosed |
| Latest roundi | — | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✓ | ✓ Free Trial |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Free | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Seamless.AI and ZoomInfo.
| Capability | Seamless.AI | ZoomInfo |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | 3 (Python, JavaScript, Java) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Seamless.AI
- Offers a free plan
- Newer company (2015)
🔵 Strengths of ZoomInfo
- More mature (2007)
Which should you choose?
Choose ZoomInfo if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Prospecting tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose ZoomInfo if you want the most established option — it has raised Undisclosed, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Seamless.AI vs ZoomInfo — which is better?
It depends on your priority. Seamless.AI is the leaner option; ZoomInfo has broader feature depth. See the side-by-side table above.
Is Seamless.AI cheaper than ZoomInfo?
No — ZoomInfo's cheapest paid plan is Free, while Seamless.AI's is Free.
Do Seamless.AI and ZoomInfo offer free plans?
Seamless.AI: Yes, has a free plan. ZoomInfo: Yes, has a free plan.
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