Company comparison
Clay vs Apollo.io
Radar profile, momentum bars, and stack placement side by side.
Clay
Not scored
momentum
Apollo.io
Not scored
momentum
Clay capital
—
Apollo.io capital
—
No radar series.
Momentum head-to-head
Attribute tape
| Field | Clay | Apollo.io |
|---|---|---|
| Category | Horizontal applications | Horizontal applications |
| Stack | Layer 8 | Layer 8 |
| HQ | New York, NY, United States | San Francisco, CA, United States |
| Founded | 2017 | 2015 |
| Status | Operating | Operating |
| Funding | — | — |
| Momentum | — | — |
| Summary | Clay is an AI-powered go-to-market workflow platform that combines 100+ data enrichment sources with AI agents — including its Claygent research agent — to help sales and marketing teams build prospect lists, enrich records, and automate personalized outbound campaigns. It functions as a programmable, spreadsheet-style GTM operating system rather than a single-source database or standard sales-engagement tool. | Apollo.io is a B2B sales intelligence and go-to-market platform that bundles a large contact and company database with outreach automation, enrichment, dialer, and AI-powered workflow tools. It helps sales and marketing teams prospect, engage, and convert leads from a single platform. |
| Who for | Teams evaluating AI vendors in this category. | Teams evaluating AI vendors in this category. |
| Differentiator | Clay is an AI-powered go-to-market workflow platform that combines 100+ data enrichment sources with AI agents — including its Claygent research agent — to help sales and marketing teams build prospect lists, enrich records, and automate personalized outbound campaigns. It functions as a programmable, spreadsheet-style GTM operating system rather than a single-source database or standard sales-engagement tool. | Apollo.io is a B2B sales intelligence and go-to-market platform that bundles a large contact and company database with outreach automation, enrichment, dialer, and AI-powered workflow tools. It helps sales and marketing teams prospect, engage, and convert leads from a single platform. |
