What is an AI SDR?
An AI SDR is a software agent that performs the work of a sales development representative — researching accounts, drafting personalized outreach, sending across email and LinkedIn, and handling replies — with minimal human input.
The distinction between an AI SDR and an AI 'copilot' is autonomy. A copilot suggests; an AI SDR acts. Leading agents like 11x's Alice, Artisan's Ava, and Qualified's Piper run entire workflows and only escalate to humans by exception.
Outbound vs Inbound AI SDRs
Outbound AI SDRs generate net-new pipeline through cold prospecting. Examples: 11x, Artisan, AiSDR, Spear (formerly Samplead).
Inbound AI SDRs convert existing demand — website visitors, demo requests, chat conversations. Examples: Qualified, Warmly, Drift, Intercom's Fin.
Most revenue teams need one of each, but sequence the purchase based on where the funnel leaks worst.
How AI SDRs compare to human SDRs
A human SDR fully loaded costs roughly $85,000–$120,000 per year in the US. A leading AI SDR runs $10,000–$60,000+ per year depending on volume and features.
AI SDRs win on volume, consistency, and 24/7 coverage. Humans still win on complex discovery, multi-stakeholder navigation and creative problem-solving.
The winning model in 2026 is hybrid: AI SDRs handle prospecting and first-touch; humans handle qualification and everything after.
What to look for when buying
Autonomy: does it run without a human in every step, or does it need constant prompting?
Data quality: is a contact database included, and how fresh is it?
Deliverability: does the vendor own inboxes and warm them, or is that your problem?
Integrations: does it write cleanly to your CRM and speak to your engagement platform?
Pricing value: are seats or usage-based? What is the true annual cost at your volume?