5 Best AI SDR for Multi-Channel Outreach

3.8% reply rate - 10x industry avg

Most AI SDR tools automate sequence steps. The better ones automate research, prioritization, writing, and timing together. This comparison shows which platforms actually remove SDR work instead of just wrapping templates in AI branding.

If you’ve ever worked as an SDR, you know the grind. Long days spent finding leads, writing emails, sending LinkedIn messages, and following up, again and again. It works, but it drains you fast.

Now imagine having something that does all that for you. That’s what AI SDRs do. They find leads, send messages, follow up, and book meetings across email, LinkedIn, and calls while you focus on closing deals.

Here are the 5 best AI SDRs for multi-channel outreach that actually make your outreach easier, faster, and a lot less stressful.

Why You Need an AI SDR for Multi-Channel Outreach

Being an SDR means spending your day doing the same cycle, finding new leads, writing cold emails, sending LinkedIn messages, and following up with the ones who didn’t reply. It takes hours to just keep track of who you reached out to and what you said.

Once you start doing this across different channels like email, LinkedIn, and calls, it quickly turns into a mess. You lose track of messages, miss follow-ups, and end up wasting time jumping between tools.

That’s exactly why you need an AI SDR for multi-channel outreach. It doesn’t just send messages, it runs the whole process for you. From finding the right leads to personalizing every message and following up automatically across multiple channels.

Here’s how it compares to doing everything manually:

So instead of managing outreach all day, you can finally focus on closing deals and building relationships.

1. Coldreach

Coldreach is an AI SDR platform backed by Y Combinator that finds and engages your best leads automatically. It tracks your ideal customer profile (ICP) 24/7, detects real-time buying signals, and sends personalized outreach at the right time.

It’s designed to work like a full-time SDR, researching leads, writing tailored messages, and booking meetings while you focus on closing.

Key Features of Coldreach:

• Coldreach scans your market, finds companies showing buying intent, and automatically reaches out with personalized messages.
• It continuously monitors your ICP and flags new accounts that match your target profile.
• The platform identifies intent signals from multiple sources such as job posts, funding news, website updates, and LinkedIn activity to surface high-quality leads.
• Each email is personalized using real-time data from detected signals, so every message feels relevant and specific.

Pros and Cons of Coldreach

Coldreach Pricing

Coldreach uses custom pricing based on the number of signals tracked, team size, and integrations required. You can book a demo to get a personalized quote.

2. Agent Frank (by Salesforge)

Agent Frank is an AI-powered Sales Development Representative (AI SDR) built into Salesforge, the multi-channel outreach platform trusted by over 10,000 businesses.

He automates everything a human SDR does, from finding leads to writing outreach messages, following up, and booking meetings, across email and LinkedIn.

Key Features of Agent Frank:

• Agent Frank acts like a full-time SDR that works around the clock. He continuously researches, writes, sends, and follows up without needing breaks or manual input.
• He automatically finds and processes new leads using data from Leadsforge (Salesforge’s built-in lead search engine with 500M+ contacts).
• Outreach happens across both email and LinkedIn, with smart conditional sequences that mimic real human behavior and avoid platform limits.
• Every message is personalized using Overdrive AI, trained on your company data, product knowledge, and buyer persona, ensuring your outreach sounds natural and relevant.

Pros and Cons of Agent Frank

Agent Frank Pricing

Agent Frank is offered as an add-on to any Salesforge plan, starting at $499/month (billed quarterly). It covers up to 1,000 active contacts at a time and includes complimentary Salesforge dashboard access, 24/7 automation, dedicated account manager, and Slack support channel.

3. Jason (by Reply.io)

Jason by Reply.io is an AI SDR that automates your entire outbound workflow, from finding leads and writing emails to following up and booking meetings.

It works like a full-time sales rep that runs 24/7 across email, LinkedIn, SMS, WhatsApp, and calls, so you can focus on closing deals instead of chasing replies.

Key Features of Jason:

• Jason studies your product, ICP, and offer to identify who you should reach out to.
• It searches through 1B+ verified contacts in real time, enriched with intent and technographic data.
• The AI creates and runs multi-channel sequences combining emails, LinkedIn, SMS, calls, and WhatsApp.
• Every message is personalized based on social, company, and intent data, like new funding, hiring signals, or product updates.

Pros and Cons of Jason AI SDR

Jason AI SDR Pricing (2026)

• Classic SDR - $8000/month
• Jason AI SDR - $2,500/month

4. Alice (by 11x.ai)

Alice is an AI SDR (Sales Development Representative) created by 11x AI, designed to work as a digital worker that runs your outbound pipeline 24/7.

She monitors your entire market, identifies high-intent buyers, and reaches out automatically across multiple channels to book qualified meetings.

Key Features of Alice:

• Alice continuously scans your target market, monitoring every relevant account and identifying prospects that match your ICP.
• She analyzes job changes, funding news, website updates, and engagement signals to spot buyers most likely to convert.
• Alice engages prospects through email, calls, and other digital channels, executing complete outbound campaigns on autopilot.
• Using real-time data and behavioral signals, she crafts human-like outreach tailored to each prospect’s tone, role, and intent.
• Alice revives inactive or “dead” CRM contacts by reopening conversations and surfacing new opportunities from your existing database.
• When potential buyers visit your site or search for similar products, Alice automatically reaches out to start a conversation.

Pros and Cons of Alice by 11x AI

Alice Pricing (2026)

Custom pricing based on company size and usage.

Pricing depends on the number of markets tracked, languages used, and integrations required. You can book a demo with the 11x AI team to get a tailored quote for your SDR setup.

5. Ava (by Artisan AI)

Ava is an AI SDR (Sales Development Representative) built by Artisan AI, designed to automate up to 80% of your outbound sales tasks.

She finds leads, researches them, personalizes outreach, manages deliverability, and runs multi-channel campaigns across email and LinkedIn, all within one unified platform.

Key Features of Ava:

• Ava searches a built-in database of 300M+ verified B2B contacts, including e-commerce and local business data, so you can target your exact ICP.
• Using her Data Miner, Ava gathers firmographic, technographic, and intent data, including funding news, job changes, and social activity, to personalize outreach.
• Her Personalization Waterfall chooses the best insights from multiple data points (LinkedIn, Twitter, news, website content) to write unique, human-like emails.
• Ava executes email and LinkedIn sequences automatically, adjusting timing, follow-ups, and tone for each contact.
• She warms up mailboxes, monitors DNS settings (SPF, DKIM, DMARC), and adjusts sending limits dynamically to keep emails landing in the inbox.
• Ava uses Copilot (review before send) or Autopilot (fully autonomous) modes and learns from replies to improve messaging and tone.
• Through Slack integration, Ava notifies you when leads engage so you can follow up instantly.

Pros and Cons of Ava by Artisan AI

Ava Pricing (2026)

• Custom pricing model based on lead volume, seats (BDR & AE), and feature usage.
• Includes access to all core platform tools, B2B Data, Deliverability, LinkedIn & Email Automation, Personalization, and Analytics.
• White-glove onboarding and support with dedicated account managers for enterprise users. To get exact pricing, contact the Artisan sales team for a tailored quote.

Which AI SDR Should You Choose?

If your goal is to replace repetitive outbound work with something that actually delivers results, an AI SDR is the smartest move you can make.

All five tools, Coldreach, Agent Frank, Jason, Alice, and Ava, can handle multi-channel outreach, personalize at scale, and save you hours every week. But if you want a tool that does everything on autopilot, from detecting buying signals to sending personalized messages, Coldreach stands out.