Landbase vs Seamless.AI
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Landbase if you want agentic ai for go-to-market that builds and runs outbound campaigns (Supervised agent, subscription); choose Seamless.AI if you want real-time b2b contact search engine with ai prospecting and outreach (Assistant, freemium).
| Landbase | Seamless.AI | |
|---|---|---|
| What it is | Agentic AI for go-to-market that builds and runs outbound campaigns | Real-time B2B contact search engine with AI prospecting and outreach |
| Type | platform | product-with-agents |
| Autonomy | Supervised agent | Assistant |
| Pricing | subscription | freemium · Free tier (limited lifetime credits); Basic reportedly ~$147/mo; Pro and Enterprise quote-based |
| Best for | smb, mid-market | smb, mid-market, enterprise |
| Deployment | saas | saas, api |
| Modalities | text, email | text, email, voice, browser, api |
| Models | gpt, proprietary | proprietary |
| Protocols | function-calling, rest-api | rest-api |
| Integrations | HubSpot, Salesforce, LinkedIn, Gmail | Salesforce, HubSpot, Salesloft, Outreach, Pipedrive, LinkedIn |
| Capabilities | 4 documented | 5 documented |
Landbase
- +Prompt-to-campaign workflow that builds targeting, copy, and sequences quickly
- +Purpose-built GTM model trained on a large campaign dataset with reinforcement learning
- +Well funded (reported $30M Series A) with experienced founders
- -Conversion-uplift and campaign-speed figures are vendor-reported, not independently verified
- -Email/LinkedIn outbound focus; no native voice channel
Seamless.AI
- +Fast, self-serve real-time contact lookup with a free tier and a Chrome extension over LinkedIn
- +Credit-back guarantee on invalid emails per its homepage
- +All-in-one: search, enrichment, intent signals, and built-in email/calling in one platform
- -Data accuracy and bounce rates are a recurring complaint in user reviews
- -Pro and Enterprise pricing is gated behind a demo, and credit consumption can inflate real cost
Which should you choose?
Landbase is agentic ai for go-to-market that builds and runs outbound campaigns, best for smb, mid-market. Seamless.AI is real-time b2b contact search engine with ai prospecting and outreach, best for smb, mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.
This comparison is generated from the sourced Landbase and Seamless.AI profiles. Open either profile to review its evidence and last-reviewed date.