A practical side-by-side of the tools that actually matter — with real pricing, channel coverage, and an honest verdict. No affiliate rankings.
Autonomous multi-channel outbound for agencies
Price
Contact for pricing
Flat agency model
Channels
Email, LinkedIn, WhatsApp, Telegram
Autonomy
Full
G2 rating
—
Contact database + email sequences
Price
$49–$119/user/month
5 seats ≈ $5,880–$7,140/year
Channels
Email, LinkedIn, Calls
Autonomy
Assisted
G2 rating
4.7/5 (9,111)
High-volume cold email at low cost
Price
From $37/month
Email only — multi-channel costs extra
Channels
Email only
Autonomy
Assisted
G2 rating
4.8/5 (3,496)
Multichannel sequences + Jason AI add-on
Price
$59–$89/user/month + Jason AI from $500/month
AI features are a separate add-on
Channels
Email, LinkedIn, Calls, SMS, WhatsApp (limited)
Autonomy
Assisted
G2 rating
4.5/5 (1,478)
Enterprise AI digital worker (Alice)
Price
~$5,000/month (estimated)
~$60,000/year annual contract
Channels
Email, LinkedIn, Voice (Julian add-on)
Autonomy
Full
G2 rating
4.4/5 (16)
AI BDR with built-in contact database
Price
~$2,000–$5,000+/month (estimated)
Annual contract required
Channels
Email, LinkedIn
Autonomy
Full
G2 rating
3.8/5 (19)
An AI SDR (Sales Development Representative) tool automates top-of-funnel outbound tasks: researching prospects, sending personalized outreach across channels, and following up based on prospect behavior. The best tools run autonomously — making decisions without human triggers at each step.
Pricing ranges widely. Email-only tools like Instantly start at $37/month. Established platforms like Apollo and Reply.io run $49–$89/user/month. Fully autonomous AI SDRs like 11x (~$5,000/month) and Artisan (~$2,000–$5,000/month) target enterprise budgets with annual contracts. Agency-focused tools with flat pricing (like Entesale) offer an alternative between the two extremes.
Yes, with the right ICP, clean data, and well-crafted messaging. An independent Fritz.ai test of 11x booked 12 meetings from 850 contacts (~1.4% meeting rate). Most teams report 2–5% meeting rates with personalized multi-channel sequences. Results depend heavily on data quality, ICP fit, and how much the tool can adapt to reply signals.
Agencies need tools that support multiple client pipelines, don't charge per seat, and execute across channels without daily management. Entesale is built specifically for this. Apollo and Reply.io are usable but require significant manual orchestration. 11x and Artisan are priced for enterprise buyers, not agency economics.
Most agencies see their first qualified meetings in week two. No annual contract, no months of onboarding.