Category
AI SDR software: what they are and who makes them
Unify, AiSDR, Artisan and 7 more, sorted into types, with the company behind each and where it is based.
Types of AI SDR software
Autonomous AI SDR agents
Artisan with Ava, 11x and AiSDR run prospecting, writing, sending and reply handling as one managed loop. A rep reviews or approves, but the agent does the volume. These suit teams that want more meetings booked without extra hiring, and they usually bill by contact volume or by custom quote after a demo.
Prospecting and data platforms with AI
Clay, Apollo and Unify center on finding and enriching contacts, then add agents and sequencing on top. You assemble more of the workflow yourself, which gives tighter control over targeting and data sources. This fits revenue-operations staff who like building lists, scoring rules and enrichment steps by hand.
Cold email sending infrastructure
Instantly and Smartlead started as mailbox and deliverability tools: many inboxes, warmup, rotation and high send limits. AI writing and reply features were added later. They fit agencies and high-volume senders who care most about inbox placement, many client workspaces and cheap send capacity.
Intent and website-visitor agents
Warmly identifies who is on your site and chats with or routes those visitors, with outbound as a second job. It starts from buyer behavior, not a cold list, and fits teams with steady web traffic and a high-priced product.
Facts at a glance
| Tool | Publisher | Based in | Access |
|---|---|---|---|
| Unify | Unify | United States | Trial + API |
| AiSDR | AiSDR Inc. | United States | Paid + API |
| Artisan | Artisan AI Inc. | United States | Paid + API |
| Amplemarket | Tagis Inc. (Amplemarket) | United States | Trial + API |
| 11x | 11x AI Inc. | United States | Paid + API |
| Clay | Clay Labs Inc. | United States | Free tier + API |
| Apollo.io | Apollo.io, Inc. | United States | Free tier + API |
| Instantly | Foo Monk, LLC (Instantly) | United States | Paid + API |
| Smartlead | 521 Products Pty Ltd (Smartlead.ai) | Australia | Trial + API |
| Warmly | Warmly, Inc. | United States | Paid |
