B2B contact database plus sales engagement and AI prospecting platform.
Clay vs Smartlead
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Summary
Clay is best for gTM and RevOps teams building custom enrichment and research workflows for outbound, while Smartlead is best for agencies running cold email for many clients with unlimited mailboxes and white-labeling. Clay has a high learning curve, compared with medium for Smartlead. Clay has a free plan, while Smartlead offers a free trial.
Which should you choose?
Choose Clay if…
- You need gTM and RevOps teams building custom enrichment and research workflows for outbound
- You're one of: revops and growth teams, outbound agencies, technical founders building lead lists
- You want a free plan (Smartlead only has a trial)
- Higher match rates by combining many data sources
Choose Smartlead if…
- You need agencies running cold email for many clients with unlimited mailboxes and white-labeling
- You're one of: lead generation agencies, outbound teams sending at volume, agencies needing white-label client portals
- You want something quicker to learn
- Unlimited mailboxes on every plan
At a glance
| Clay | Smartlead | |
|---|---|---|
| Best for | GTM and RevOps teams building custom enrichment and research workflows for outbound | Agencies running cold email for many clients with unlimited mailboxes and white-labeling |
| Free plan | Yes | Trial only |
| Starting price | From $149/mo | From $39/mo |
| Learning curve | High | Medium |
| Platforms | Web, Chrome extension, API | Web, API |
| Ideal for | RevOps and growth teams, Outbound agencies, Technical founders building lead lists | Lead generation agencies, Outbound teams sending at volume, Agencies needing white-label client portals |
Feature comparison
| Clay | Smartlead | |
|---|---|---|
| B2B contact database | Via 100+ data providers | Yes |
| Email sequences | Yes | Yes |
| Email warm-up | — | Yes |
| Unlimited sending accounts | — | Yes |
| LinkedIn steps | — | — |
| Built-in CRM | No | Pro plan and above |
| AI personalization | Yes | Yes |
| Dialer / calling | No | No |
| Email verification | Via integrated providers | Paid add-on |
IncludedLimited / higher plansNot available— Not confirmed
Security & enterprise
| Clay | Smartlead | |
|---|---|---|
| Business / enterprise plan | Yes | Yes |
| SSO (SAML / OIDC) | Enterprise plan | — |
| SCIM user provisioning | — | — |
| SOC 2 | Type II | — |
| ISO 27001 | — | — |
| HIPAA (BAA available) | — | — |
| GDPR DPA | Yes | Yes |
| Data residency options | — | — |
| No training on your data | — | — |
| Audit logs | — | — |
| Admin controls | Enterprise plan | — |
| Deployment | Cloud | Cloud |
From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools
What each tool does
Clay
Clay is a spreadsheet-style data enrichment platform that pulls from 100+ data providers using waterfall enrichment and uses its Claygent AI agent to research companies and leads on the web. Enriched data can be scored, used to write personalized messages, and pushed to CRMs or sending tools, or sent through Clay's own Sequencer. It is used by growth teams, RevOps and outbound agencies.
Key features- Waterfall enrichment across 100+ data providers
- Claygent AI agent for web research and data extraction
- Spreadsheet-style tables with formulas and AI columns
- Built-in Sequencer for multi-step email campaigns
- Native pushes to Smartlead, Instantly, Outreach and HubSpot
- CRM sync back to Salesforce and HubSpot on Growth plan and up
Smartlead
Smartlead is a cold email automation platform with unlimited mailboxes, automatic warm-up, inbox rotation and a unified inbox for replies. It adds a prospect database, a CRM on higher plans, and add-ons for mailbox setup, dedicated servers and white-label client workspaces. It is popular with lead-gen agencies and outbound teams sending at scale.
Key features- Unlimited mailboxes with automatic warm-up and rotation
- Unified inbox (master inbox) across all accounts
- AI personalization and reply categorization
- SmartProspect lead database
- Client workspaces with white-label option
- SmartServers and SmartDelivery deliverability add-ons
Pricing
Clay
Free plan: yes (limited credits). Paid from ~$149/mo
Smartlead
Free trial (no card); paid from $39/mo ($32.50/mo annual) Base
Prices last checked September 2026. Plans change often — confirm on each vendor's site.
Pros and cons
Clay
Strengths- Higher match rates by combining many data sources
- Very flexible for custom research and scoring
- Connects to most sending tools and CRMs
- Free plan to learn the product
- Steep learning curve for non-technical users
- Credit-based usage can become expensive at scale
- No built-in dialer or CRM
- Deliverability tooling is lighter than dedicated cold email senders
Not ideal for: Reps who want a simple point-and-click prospecting database should start with Apollo.io or Hunter.io.
Smartlead
Strengths- Unlimited mailboxes on every plan
- Built for agencies managing many clients
- Detailed deliverability controls
- Trial without a card
- Email verification, white-label and servers are paid add-ons
- CRM access requires Pro plan or higher
- Interface has a steeper learning curve than Instantly
- Email-first: no native calling in sequences
Not ideal for: Small sales teams wanting a database, dialer and CRM in one product may prefer Apollo.io.
Integrations
Clay
Smartlead
FAQ
What is the main difference between Clay and Smartlead?
Clay is built for gTM and RevOps teams building custom enrichment and research workflows for outbound; Smartlead is built for agencies running cold email for many clients with unlimited mailboxes and white-labeling.
Is Clay or Smartlead cheaper?
Clay starts from $149/mo and Smartlead starts from $39/mo (as of September 2026). On entry price, Smartlead is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do Clay and Smartlead have free plans?
Clay has a free plan, while Smartlead offers a free trial.
Which is easier to use, Clay or Smartlead?
Smartlead is generally quicker to learn (Clay: high, Smartlead: medium learning curve).
What are good alternatives to Clay and Smartlead?
Other sales & outreach tools worth comparing include Apollo.io, Instantly.ai and HubSpot.
