We Took 20 AI SDR Demos In The Last 6 Weeks: Here's Our Detailed Review

You’ve heard it:

‍“AI SDRs will replace your sales team.”‍

Cool. But which one actually works?

We took 20 AI SDR tool demos.

Here’s what we found:

• Most tools = basic sequencers with GPT slapped on
  
  
• A few booked real meetings
  
  
• One replaced 3 tools we were duct-taping together
  
  
• One stood out as the only AI SDR worth betting on in 2025
  
  

In this guide, you’ll get:

✅ Results from real-world tests

✅ Pros, cons, and use-case picks

✅ The truth behind the AI sales hype

Spending $99–$999/month on an AI SDR?‍

Read this first.

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TL;DR – 20 AI SDR Tools We Tested

1. Agent Frank – The only tool that gave us reply-aware AI, inbox placement control, and real booked meetings. Built for pros.
   
   
2. AiSDR – Best if you use HubSpot. Syncs CRM lists, runs follow-ups. Great for lead nurturing, weak for cold.
   
   
3. 11x.ai – Fully-managed AI SDR agents. Great if you want hands-off results. Expensive, no reply logic, limited control.
   
   
4. Instantly.ai – Scales cold email fast. But the reply logic is poor, and it’s more about blasting than closing.
   
   
5. Smartlead.ai – Good sending infrastructure. Inbox rotation is solid. But AI content feels generic.
   
   
6. Outreach.io – Powerful sequencing and CRM sync. Great for big teams, but too rigid and pricey for lean ops.
   
   
7. Regie.ai – Content creator for sequences, not a true SDR. Useful, but needs to be paired with a sending engine.
   
   
8. Salesloft – Reliable, structured engagement. But bloated UX, stale AI, and locked-in contracts make it feel stuck in 2019.
   
   
9. Lemlist – Visual-first cold emails that stand out. Not AI-driven. Great for replies, weak for smart scaling.
   
   
10. Apollo.io – Decent enrichment. The AI layer is weak. Better as a data + CRM platform than a true SDR.
    
    
11. ZoomInfo – Enterprise-grade AI over rich data. Great for big teams, not for startups or lean ops.
    
    
12. Reply.io – Multichannel sequencer with basic AI add-ons. Still feels like a traditional outreach tool.
    
    
13. Mailshake – Cold email tool with smart suggestions. Decent AI, but limited logic and no true reply awareness.
    
    
14. Lusha – Fast LinkedIn enrichment. Great for data pulls, but no outreach, AI, or automation.
    
    
15. LeadIQ – LinkedIn-first data capture. Quick and simple, but flaky data and limited functionality.
    
    
16. Clay – Workflow engine for prospecting. Insanely customizable. But steep learning curve, not a sender.
    
    
17. Lavender.ai – AI email coach for Gmail/Outlook. Helps you write better, but doesn’t send or manage replies.
    
    
18. Mixmax – Gmail-native SDR tool. Great for solo teams, weak on multichannel and automation depth.
    
    
19. Snov.io – Budget-friendly all-in-one starter. Good for lean teams, but not scalable for serious ops.
    
    
20. Hunter.io – Great for fast, accurate email lookups. No AI, no sending — pure data tool.

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Top 20 AI SDR Tools

AI SDR Tool Comparison Table

#1 Agent Frank – The Best AI SDR Tool That Actually Books Meetings

Agent Frank is a 24/7 AI SDR software built to replace your entire outbound stack, not just your SDR.

• No Apollo for lead data
  
  
• No Smartlead or Instantly for sending
  
  
• No Lemwarm or Warmup Inbox for deliverability
  

Frank does it all.

Prospecting, outreach, warm-up, email infrastructure, inbox monitoring, reply handling, follow-ups, and calendar booking.

Think of him as your AI-powered SDR assistant — only faster, cheaper, and more consistent.

Agent Frank Features (That Actually Matter)

• 🧠 Auto-Pilot & Co-Pilot Modes – Let him run solo or review drafts before sending
  
  
• 📚 Trained on Your Product – Upload docs, URLs, and knowledge base
  
  
• ✉️ Inbox Setup & Warm-Up – Uses Mailforge or Infraforge, no extra tools needed
  
  
• 🔍 500M+ Contact Search – Pulls leads via Leadsforge, filters by ICP
  
  
• 💬 Smart Reply Handling – Not just open tracking — actual conversations
  
  
• 🌐 20+ Language Support – For global outreach
  
  
• 🤝 Dedicated Account Manager + Slack Support
  

No dependencies. No hidden costs. No fluff.

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Pros vs ❌ Cons

Agent Frank Pricing (2025)

Frank doesn’t charge you by the seat. He charges for Active Contacts,  leads he’s actively working on every month.

• Starts at $416/month (annual billing)
  
  
• Covers 1,000 active contacts/month
  
  
• Scales to 2,000+ at $0.25/contact
  
  
• Includes everything: email infra, warm-up, prospecting, outreach, replies, and booking
  
  
• No hidden fees. No upsells.
  
  

Bonus: You get 100 free credits to test him via Leadsforge.ai
Limited time only.

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Agent Frank Review Summary

If you’re tired of switching between 5 tools to do 1 job.

If you’ve burned SDR salaries with no pipeline to show for it.

Agent Frank is the AI SDR you hire when you want results, not excuses.

• Built for founders, sales teams, and agencies
  
  
• Designed to automate pipeline creation
  
  
• Runs on its own, so you can focus on closing deals
  
  

👉 Book a demo and start your first campaign.

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#2. AiSDR – Best AI SDR Tool for HubSpot-Powered Teams

Alt Text: AiSDR homepage

AiSDR is an AI-powered sales agent that connects directly to HubSpot, turning lists, lead scores, and custom fields into personalized outreach across email and SMS.

It also scrapes LinkedIn activity to make messages feel timely and relevant.

Think "You just posted about X…" then a CTA tied to your offer.

The result:

Less writing. More replies. Higher quality meetings.

AiSDR Tutorial - Step-by-Step Guide for Beginners [2024]

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Key Features of AiSDR

• 🔗 Native HubSpot integration — no duct tape, no zaps
  
  
• 🧠 Dynamic personalization — uses LinkedIn + CRM data
  
  
• 📩 Multi-channel — email and SMS outreach
  
  
• 🗃️ 700M+ built-in lead database
  
  
• 💬 Handles OOO replies, referrals, and filters bad leads
  
  
• 🛠️ Lead scoring, tone adjustment, auto-segmentation
  
  
• 👨‍💼 Dedicated onboarding + support
  
  

This isn’t for cold-blast amateurs.

It’s built for real SDR teams working warm inbound, trials, events, and content leads.

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✅ Pros vs ❌ Cons

Alt Text: AiSDR reviews on G2

✅ Pros

❌ Cons

Best-in-class HubSpot integration

Doesn’t work with Salesforce or Pipedrive

Tracks LinkedIn posts for personalization

Some messages still need manual edits

Handles replies, referrals, and lead scoring

Filtering UI needs polish

Great for long-cycle and inbound campaigns

Pricey for small teams or startups

Lead database included (no extra tools)

Not beginner-friendly for advanced logic setup

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AiSDR Pricing

Alt Text: AiSDR Pricing

AiSDR runs on a flat pricing model:

• $750/month
  
  
• Includes:
  
  
  
  • 1,000 personalized messages/month
    
    
  • Unlimited seats
    
    
  • Built-in global lead database (700M+ contacts)
    
    
  • Warm-up infrastructure + full support
    
    

Need more volume?
You’ll need to talk to sales for pricing scales, but it isn’t transparent.

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Should You Use AiSDR?

Yes — if:

• You use HubSpot as your primary CRM
  
  
• You care about high-context personalization
  
  
• You’re running long-cycle campaigns: trials, webinars, inbound
  
  

No — if:

• You’re using anything but HubSpot
  
  
• You’re sending fewer than 1,000 emails/month
  
  
• You want deep fallback logic or multithreaded sequences
  
  

AiSDR isn’t for spammers. It’s for sales teams that care about timing, context, and CRM alignment.

It turns cold outreach into warm, personalized touches that actually get replies.

If HubSpot is your home base, this is one of the best AI SDR tools on the market.

Also read: We Tested 3 AiSDR Alternatives For 30 Days: Here's What We Found

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