Clay vs Seamless.AI: Data Enrichment Tool Comparison
Compare Clay and Seamless.AI side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Clay excels at data enrichment through 150+ provider integrations and AI-powered automation (Claygent), making it ideal for teams with complex tech stacks. Seamless.AI focuses on real-time B2B contact search with direct email and cell phone lookups plus pitch intelligence. Both offer free plans and paid tiers starting near $150/month, so the choice depends on whether you prioritize breadth of data sources (Clay) or direct contact discovery (Seamless.AI).
Key takeaways
- Clay integrates with 150+ data providers and includes AI-powered enrichment called Claygent, while Seamless.AI provides a real-time B2B contact search engine with email and cell phone lookup capabilities.
- Both platforms offer free plans, with paid tiers starting at $149/month for Clay and $147/month for Seamless.AI.
- Clay supports 14 integrations including Salesforce, HubSpot, Apollo.io, and ZoomInfo, while Seamless.AI offers 7 integrations including Outreach, SalesLoft, and Microsoft Dynamics 365.
- Clay's Pro plan costs $800/month for 50,000 credits, while Seamless.AI requires contacting sales for Pro and Enterprise pricing.
- Clay offers unlimited users on all plans and credit rollover, while Seamless.AI provides add-ons for buyer intent data, job change tracking, and autopilot list building.
Reviewed and updated February 6, 2026
Clay vs Seamless.AI: Data Enrichment Tool Comparison
Clay and Seamless.AI compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
Clay stands out with 150+ data provider integrations and ai-powered enrichment (claygent). Seamless.AI differentiates itself through real-time b2b contact search engine and email and cell phone lookups.
Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.
If your priority is finding accurate contact data for target accounts, both tools can deliver. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Clay is Data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment (Claygent).
Seamless.AI is AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Clay Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 100 credits/month | N/A |
| Starter | $149/mo | 2,000 credits/month | N/A |
| Explorer | $349/mo | 10,000 credits/month | N/A |
| Pro | $800/mo | 50,000 credits/month | N/A |
Source: Clay Pricing
Seamless.AI Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 50 credits | N/A |
| Basic | $147/mo | 250 credits/month | N/A |
| Pro | Contact Sales | Daily credit refresh | N/A |
| Enterprise | Contact Sales | Custom credits | N/A |
Source: Seamless.AI Pricing
Pricing Analysis
Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
Clay Key Features
- 150+ data provider integrations
- AI-powered enrichment (Claygent)
- Unlimited users on all plans
- Credit rollover
- Workflow automation
- Data waterfall enrichment
- Custom API key support
- HTTP API integration
- Webhooks
Seamless.AI Key Features
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- Buyer intent data (add-on)
- Job changes tracking (add-on)
- Autopilot list building (add-on)
- AI writing assistant
- Chrome extension
- Enterprise security and compliance
Unique to Clay
- 150+ data provider integrations
- AI-powered enrichment (Claygent)
- Unlimited users on all plans
- Credit rollover
- Workflow automation
- Data waterfall enrichment
- Custom API key support
- HTTP API integration
- Webhooks
Unique to Seamless.AI
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- Buyer intent data (add-on)
- Job changes tracking (add-on)
- Autopilot list building (add-on)
- AI writing assistant
- Chrome extension
- Enterprise security and compliance
Integration Ecosystem
Clay Integrations
Clay connects with: Salesforce, HubSpot, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.
Seamless.AI Integrations
Seamless.AI connects with: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Pipedrive.
Clay exclusively offers: Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.
Seamless.AI exclusively offers: Outreach, SalesLoft, Microsoft Dynamics 365, Zapier.
Use Case Recommendations
Best Fit for Clay
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (14 integrations)
- Teams that want to start free and scale up as needs grow
Best Fit for Seamless.AI
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Clay | Seamless.AI |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | $800/mo | Contact Sales |
| Total Features Listed | 9 | 10 |
| Integrations | 14 | 7 |
| Founded | N/A | 2015 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Clay and Seamless.AI both serve the B2B lead data and contact enrichment market well. Clay offers a more accessible entry point, while Seamless.AI starts at $0/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Related Reading
- Best Clay Alternatives in 2026
- Best Seamless.AI Alternatives in 2026
- Apollo vs Clay: Choosing the Right Data Enrichment Tool for B2B Sales
- Clay vs ZoomInfo: Data Enrichment Tool Comparison
- Apollo.io vs Seamless.AI: Data Enrichment Tool Comparison
Pricing and features verified as of February 2026. Visit Clay and Seamless.AI for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Clay and Seamless.AI?
- Clay is a data enrichment and workflow automation platform with 150+ data provider integrations and AI-powered enrichment. Seamless.AI is an AI-powered sales lead platform focused on real-time contact search with direct email and cell phone lookups. Clay prioritizes breadth of data sources and automation, while Seamless.AI emphasizes direct contact discovery and pitch intelligence.
- How much do Clay and Seamless.AI cost?
- Both platforms offer free plans. Clay's paid plans start at $149/month for 2,000 credits, climbing to $800/month for 50,000 credits. Seamless.AI starts at $147/month for 250 credits, with Pro and Enterprise tiers requiring custom sales quotes. Both free tiers allow testing before committing to paid plans.
- Which data enrichment tool has better integrations?
- Clay offers 14 integrations including Salesforce, HubSpot, Apollo.io, ZoomInfo, Clearbit, Google Sheets, and Airtable. Seamless.AI provides 7 integrations including Salesforce, HubSpot, Outreach, SalesLoft, and Microsoft Dynamics 365. Both share core CRM integrations, but Clay has broader third-party data provider connections while Seamless.AI focuses on sales engagement platforms.
- Does Clay or Seamless.AI offer unlimited users?
- Clay offers unlimited users on all plans, including the free tier. Seamless.AI does not specify unlimited users in its listed features. For teams prioritizing unrestricted user access without per-seat pricing, Clay provides clearer value in this area.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
How to Cold Email Plant Managers: What Actually Gets a Reply
Plant managers read email on a phone before shift start and delete anything generic. Here are the angles, send windows and templates that earn replies.
How to Cold Email Procurement Managers: What Actually Gets a Reply
Procurement managers sort vendor email by one question: does it help the savings number? Here are the angles, templates, and send windows that get replies.