OpenFunnel vs Seamless.AI
Which Prospecting AI tool is better in 2026?
OpenFunnel
Personalized AI agents that monitor a company's total addressable market and surface in-market
Seamless.AI
AI-powered sales leads and B2B contact data in real time
Side-by-side
OpenFunnel is the more established option (raised $1.8M); pricing is comparable on both sides.
| Metric | OpenFunnel | Seamless.AI |
|---|---|---|
| Taglinei | Personalized AI agents that monitor a company's total addressable market and surface in-market | AI-powered sales leads and B2B contact data in real time |
| Foundedi | 2024 | 2015🏆 |
| HQi | — | Columbus, United States |
| Employeesi | 11-50 | 400🏆 |
| Neuron scorei | 50 | 64🏆 |
| Total fundingi | $1.8M🏆 | Undisclosed |
| Latest roundi | Seed | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for OpenFunnel and Seamless.AI.
| Capability | OpenFunnel | Seamless.AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of OpenFunnel
- Has raised more capital ($1.8M vs Undisclosed)
- Newer company (2024)
🔵 Strengths of Seamless.AI
- Higher Neuron score (64 vs 50)
- More mature (2015)
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 OpenFunnel if you want the most established option — it has raised $1.8M, 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
OpenFunnel vs Seamless.AI — which is better?
It depends on your priority. OpenFunnel has raised more capital and is the more established option; Seamless.AI has broader feature depth. See the side-by-side table above.
Is OpenFunnel cheaper than Seamless.AI?
No — Seamless.AI's cheapest paid plan is Free, while OpenFunnel's is Free.
Do OpenFunnel and Seamless.AI offer free plans?
OpenFunnel: Yes, has a free plan. Seamless.AI: Yes, has a free plan.
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