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NeuronFeed

Seamless.AI vs Topo

Which Prospecting AI tool is better in 2026?

Seamless.AI

AI-powered sales leads and B2B contact data in real time

Undisclosed

Topo

Autonomous AI sales development representatives (SDRs) that automate outbound prospecting for

$46M

Side-by-side

Verdict

Topo is the more established option (raised $46M); pricing is comparable on both sides.

Metric Seamless.AI Topo
Taglinei AI-powered sales leads and B2B contact data in real time Autonomous AI sales development representatives (SDRs) that automate outbound prospecting for
Foundedi 2015🏆 2023
HQi Columbus, United States
Employeesi 400🏆 11-50
Neuron scorei 64🏆 52
Total fundingi Undisclosed $46M🏆
Latest roundi Pre-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 Seamless.AI and Topo.

Capability Seamless.AI Topo
MCP support
Public API
Webhooks
OAuth 2.0
SDK languages
Free plan
Free trial
Verified
Active deal

🟢 Strengths of Seamless.AI

  • Higher Neuron score (64 vs 52)
  • More mature (2015)

🔵 Strengths of Topo

  • Has raised more capital ($46M vs Undisclosed)
  • Newer company (2023)

Which should you choose?

Choose Topo 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 Topo if you want the most established option — it has raised $46M, 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 Topo — which is better?

It depends on your priority. Seamless.AI is the leaner option; Topo has broader feature depth. See the side-by-side table above.

Is Seamless.AI cheaper than Topo?

No — Topo's cheapest paid plan is Free, while Seamless.AI's is Free.

Do Seamless.AI and Topo offer free plans?

Seamless.AI: Yes, has a free plan. Topo: Yes, has a free plan.

Contextual paths to related AI startups, deals and rankings.