AI SDR vs Human SDR: The Real Cost Comparison for B2B Teams

Sales Development Representatives (SDRs) are the engine of B2B outbound. They find leads, craft outreach, book meetings, and keep the pipeline moving. But here's the problem: hiring and retaining good SDRs has never been harder — or more expensive.

Enter the AI SDR. Tools like Overture can research prospects, write personalized emails, handle follow-ups, and book meetings — autonomously, 24/7, for a fraction of the cost.

But is the gap really that big? Let's run the numbers.

The True Cost of a Human SDR

When most founders budget for an SDR, they think about base salary. That's only the beginning. Here's the full cost breakdown:

• Base salary: $50,000–$70,000/year (entry-level to experienced)
• Commission/OTE: $20,000–$40,000/year on top of base
• Benefits & payroll taxes: ~20% on top of total compensation
• Tools & tech stack: $1,200–$3,600/year (Outreach, LinkedIn Sales Navigator, ZoomInfo, etc.)
• Training & onboarding: 2–3 months of productivity lost
• Turnover cost: $15,000–$30,000 per replacement (recruiting, training, ramp time)

The real number? $90,000–$150,000+ per year — when you factor in all the hidden costs that don't show up in the initial budget.

And that's before you account for the time your sales leaders spend managing, coaching, and troubleshooting.

The Cost of an AI SDR

Now let's look at the alternative. An AI SDR like Overture runs on a simple flat-rate model:

• Monthly subscription: $199/month (launch promo) or $399/month (regular)
• No additional tools: Research, email, and scheduling included
• No training: Deploys in minutes, starts immediately
• No turnover: It doesn't quit, take vacation, or get poached by a competitor

The real number? $2,388–$4,788 per year.

But What About Quality?

This is where the conversation gets interesting. The assumption is that human SDRs deliver better quality — more genuine conversations, better rapport, superior judgment on complex deals.

Here's what the data actually shows:

Research quality: AI SDRs research every prospect using public data, news, and company information. A human SDR typically spends 30 seconds per lead. Overture spends as long as needed to find relevant talking points.

Personalization at scale: Human SDRs personalize when they can, but time pressure means they default to templates. AI SDRs can write unique, researched emails for every single prospect without slowing down.

Follow-up discipline: This is where AI wins decisively. Human SDRs forget to follow up, get busy, or give up after 2–3 attempts. AI follows up persistently until there's a clear no — or a meeting on the calendar.

Where humans still win: Relationships. AI is great at research and logistics. But when a prospect pushes back on pricing or wants to negotiate, a human can read the room and adapt. AI handles the top of funnel; humans close the deal.

The Real Question: What's Your Time Worth?

Beyond the hard costs, there's a meta-cost that founders often miss: your attention.

Hiring an SDR means:

• Interviewing and recruiting (20–40 hours)
• Onboarding and training (30–60 hours)
• Weekly 1:1s and coaching (2–4 hours/month)
• Performance reviews and PIPs (10–20 hours/year)
• Dealing with turnover and starting over

An AI SDR? You set it up once (about 10 minutes), then it runs itself. You review results weekly, not daily.

The Bottom Line

If you're spending more than $3,000/month on an SDR — or considering hiring one — the math is clear. An AI SDR costs 90% less, works 5x the hours, and never burns out.

The future of outbound isn't about choosing between human and AI. It's about using AI to handle the volume (research, outreach, follow-ups) so your human team can focus on what they do best: building relationships and closing deals.