Cognism vs Seamless.AI
Which Prospecting AI tool is better in 2026?
Cognism
Premium B2B prospecting data with mobile numbers and intent signals.
Seamless.AI
AI-powered sales leads and B2B contact data in real time
Side-by-side
Cognism is the more established option (raised $123.5M); pricing is comparable on both sides.
| Metric | Cognism | Seamless.AI |
|---|---|---|
| Taglinei | Premium B2B prospecting data with mobile numbers and intent signals. | AI-powered sales leads and B2B contact data in real time |
| Foundedi | 2015 | 2015 |
| HQi | London, GB | Columbus, United States |
| Employeesi | 201-500 | 400🏆 |
| Neuron scorei | 68🏆 | 64 |
| Total fundingi | $123.5M🏆 | Undisclosed |
| Latest roundi | Series C · Jan 2022 | — |
| Valuationi | — | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Custom Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Cognism and Seamless.AI.
| Capability | Cognism | Seamless.AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Cognism
- Has raised more capital ($123.5M vs Undisclosed)
- Higher Neuron score (68 vs 64)
🔵 Strengths of Seamless.AI
- Offers a free plan
Which should you choose?
Choose Seamless.AI if price matters most — it starts at Free, 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 Cognism if you want the most established option — it has raised $123.5M, 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
Cognism vs Seamless.AI — which is better?
It depends on your priority. Cognism has raised more capital and is the more established option; Seamless.AI has broader feature depth. See the side-by-side table above.
Is Cognism cheaper than Seamless.AI?
No — Seamless.AI's cheapest paid plan is Free, while Cognism's is Enterprise · Contact sales.
Do Cognism and Seamless.AI offer free plans?
Cognism: Free trial only. Seamless.AI: Yes, has a free plan.
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