AI SDR agents explained

By the AI Sales Bench editorial team · Published 14 Oct 2026 · Updated 14 Oct 2026

In short: An AI SDR agent is software that does parts of a sales development rep’s job on its own: researching accounts, writing personalised outreach, following up and booking meetings. Some focus on outbound (11x, Artisan, AiSDR) and others on inbound website visitors (Qualified’s Piper). Copilots like Sybill assist a human rep instead of acting alone.

Who this is for

Sales leaders weighing AI agents against hiring, and SDR teams deciding where AI helps.

What to check before you buy

Outbound or inbound? Outbound agents prospect and email. Inbound agents engage website leads (for example Qualified’s Piper, per its listing).
Agent or copilot? Decide how much should run without human review. Copilots and assistants (for example Sybill and Lavender) support a rep instead of replacing steps.
Data source. Ask where the agent gets contacts and signals. AiSDR lists real-time signals, and Unify lists its own B2B data and buying signals.
Brand and deliverability controls. Ask how you approve messaging, cap sending volume and protect your domains.
Hand-off. Check how replies and booked meetings reach your reps and CRM.
Proof. Ask vendors for evidence from customers like you, and run a time-boxed pilot with clear success metrics.

How AI SDR agents differ from sequencing tools

Sequencing tools such as Outreach, Salesloft and lemlist run the steps a person designs. AI SDR agents try to decide and write those steps themselves. Some products sit in between. Salesforge lists an AI SDR agent called Agent Frank alongside its outreach tool, and Regie.ai lists agents that source, enrich, dial and email from your own inbox.

Tools compared

All 15 tools below are listed on AI Sales Bench. “What it does” is taken from each listing, which is built from the vendor’s website. We don’t list prices because they change; open a listing for the vendor’s pricing page.

Tool	What it does	Pricing model
11x	AI 'digital workers' for sales and RevOps teams that research, personalise outreach and book meetings.	Unverified
Artisan	Outbound sales platform built around an AI BDR that automates prospecting and outreach.	Quote
AiSDR	AI SDR that finds in-market buyers from real-time signals and sends personalised outreach.	Paid
Qualified	Inbound AI SDR agent (Piper) that engages and converts website leads for B2B marketing and sales teams.	Unverified
Unify	Sales platform with AI agents, B2B data, buying signals and sequencing, run from a chat interface.	Freemium
Salesforge	Email and LinkedIn outreach with unlimited mailboxes and senders, plus an AI SDR agent called Agent Frank.	Unverified
Regie.ai	AI agents that source, enrich, dial and email prospects from your own inbox, plus LinkedIn tasks.	Freemium
Sybill	AI sales assistant for meeting prep, follow-up emails, deal questions and CRM updates.	Freemium
Modjo	Captures sales conversations and uses AI agents to automate follow-up, surface signals and coach reps.	Quote
Attention	Records sales touchpoints and uses AI agents for follow-ups, CRM filling and coaching scorecards.	Unverified
respond.io	AI customer conversation platform unifying WhatsApp, TikTok, Instagram and Facebook chats for sales and support.	Paid
Lavender	AI email coach that helps sellers write better sales emails faster.	Unverified
Humantic AI	Buyer intelligence platform that combines account intelligence and people intelligence to support buyer-first selling.	Unverified
Pocus	AI-driven sales playbooks, account research and prospecting signals for go-to-market teams.	Unverified
Bardeen	Agentic web scraper to source leads, qualify them with AI and reach them with contact enrichment.	Unverified

See all AI Sales Agents & Assistants tools →

Frequently asked questions

Will an AI SDR replace human SDRs?

That depends on the motion. Many teams use agents for research and first-touch volume and keep humans for conversations and complex deals. Pilot before restructuring.

Do AI SDR agents work for inbound leads?

Some do. Qualified describes its Piper agent as engaging and converting website leads.

How are AI SDRs priced?

Pricing varies and changes often. In our directory several are Quote-based or Paid. Check each vendor’s pricing page.

How we wrote this

We don’t claim to have tested these tools. Facts come from our listings (checked 14 Oct 2026 against each vendor’s public website). Pricing models marked “Unverified” mean we couldn’t confirm them on the vendor’s site. Read how we evaluate tools and our editorial independence policy.

Editorial note: no vendor paid to appear in this post, and it contains no affiliate links. Any future affiliate links will be labelled “Affiliate link”. Tool descriptions come from each vendor’s own website, as recorded in our listings with the date we checked. Drafted with AI assistance from the facts in our directory and reviewed by the AI Sales Bench editorial team. Spotted an error? Email hello@aisalesbench.com.