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Seamless.AI

20+ Best Alternatives to Seamless.AI in 2026

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

Looking for an alternative to Seamless.AI? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.

  1. 1

    RocketReach

    $92M

    B2B contact and company data for sales and recruiting

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Free · From $39/mo

    View alternative →
  2. 2

    1mind

    $40M

    AI GTM "Superhumans" with a face and voice that qualify, demo and close deals

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Enterprise · Contact sales

    View alternative →
  3. 3

    Cognism

    $123.5M

    Premium B2B prospecting data with mobile numbers and intent signals.

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Enterprise · Contact sales

    View alternative →
  4. 4

    ZoomInfo

    Undisclosed

    B2B contact and intent data with AI-powered prospecting.

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Enterprise · Contact sales

    View alternative →
  5. 5

    Clay

    $146M

    AI-powered sales prospecting and data enrichment.

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Free · From $149/mo

    View alternative →
  6. 6

    Nooks

    $70M

    AI sales assistant for prospecting and dialing

    Why it's similar: Shares categories with Seamless.AI — AI Sales, AI Prospecting.

    💵 Paid · From $200/mo

    View alternative →
  7. 7

    Mutiny

    $71.6M

    AI agent for B2B website personalization and ABM

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  8. 8

    aiOla

    $58M

    Enterprise voice AI for noisy, jargon-heavy field operations

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  9. 9

    Endgame

    $47.5M

    AI answer engine for enterprise sales teams

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  10. 10

    Outreach

    $489M

    AI sales execution platform for outbound at enterprise scale.

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · From $100/mo

    View alternative →
  11. 11

    Pipedrive

    $90M

    Sales-focused CRM with an AI Sales Assistant for deal predictions and automation

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Free trial · From $14/mo

    View alternative →
  12. 12

    Landbase

    $43M

    Agentic AI that automates go-to-market execution end to end

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Free

    View alternative →
  13. 13

    Monaco

    $85M

    AI-native sales engine pairing AI agents with human sales experts for startups

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Free trial

    View alternative →
  14. 14

    Actively AI

    $68M

    Per-Account AI agents that run sales accounts 24/7 across the revenue org

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  15. 15

    Agentio

    $56M

    AI-native platform for creator-led advertising on YouTube and Instagram

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  16. 16

    Topo

    $46M

    Why it's similar: Shares categories with Seamless.AI — AI Prospecting.

    💵 Free

    View alternative →
  17. 17

    Amplemarket

    $25M

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Free

    View alternative →
  18. 18

    Apollo.io

    $251M

    AI-powered sales engagement platform with 275M+ contacts.

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Free · From $49/mo

    View alternative →
  19. 19

    11x

    $74M

    Digital workers that don't just automate tasks – they transform your business with human-like intelligence.

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →
  20. 20

    Common Room

    $52.9M

    An AI-native GTM platform that powers pipeline generation with precise buyer intelligence.

    Why it's similar: Shares categories with Seamless.AI — AI Sales.

    💵 Enterprise · Contact sales

    View alternative →

Frequently asked questions

What are the best alternatives to Seamless.AI?

The top-ranked alternatives to Seamless.AI on NeuronFeed are RocketReach, 1mind, Cognism, ZoomInfo, Clay. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.

Is there a free alternative to Seamless.AI?

Yes — RocketReach, Clay, Landbase offer a free plans. See the pricing column for each alternative above.

How is this list ranked?

We rank alternatives by shared categories with Seamless.AI, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.

Seamless.AI vs RocketReach — which is better?

It depends on use case. RocketReach (B2B contact and company data for sales and recruiting) is the #1-ranked alternative. See the full side-by-side at /compare/seamless-ai-vs-rocketreach.

Contextual paths to related AI startups, deals and rankings.