10 Best AI SDR Tools in 2026 (Ranked & Compared)

Quick Summary:

The best AI SDR tools in 2026 are 11x for mid-market teams that want outbound run by an agent, Artisan for small teams with no SDRs, and FullEnrich for the verified emails and mobiles every agent works from. An AI SDR is an agent that finds prospects, writes to them, follows up and books meetings. The right one depends on where its contacts come from, what you pay per unit, and how much checking you'll keep.

An AI SDR multiplies whatever it's fed. The agent is the easy part to buy. The contacts it reaches and the person who checks it decide what it books.

FullEnrich is our product. It's the contact data agents run on, so it sits at number 3 behind two agents, and its entry lists its cons. 11x, Artisan and AiSDR use FullEnrich as a data provider.

What makes a good AI SDR tool, and how did we pick these 10?

A good AI SDR reaches real people, charges in a unit you can forecast, and lets a person catch mistakes before a buyer does. We started from G2's AI SDRs category and kept 10 tools across the four ways teams buy one: outbound agents, copilots inside a sales platform, inbound agents, and the contact data underneath.

Each was checked on four things, using vendor pages and G2 in October 2026:

• Contacts: where its data comes from, and whether each row was verified or guessed.
• Pricing unit: per prospect, lead, action or seat, and how long the contract locks you in.
• Review: draft and approve, autopilot per signal, or hands-off.
• Fit: the channels it sends on, and whether it checks your CRM before each send.

Why trust us?

I'm Benjamin Douablin, co-founder of FullEnrich. We sit underneath this category: 11x, Artisan and AiSDR use FullEnrich as a data provider. So we know a thing about what an AI SDR gets fed before it writes a word.

Here's what that shows us. 31.53% of the contact data we buy from providers fails our verification: mailboxes that would bounce, wrong owners, phones that don't ring. A rep catches some of that on the first call. An agent doesn't. It sends to all of it (And blows your domain reputation with it)

The other shift is on our own calls. More teams now build their SDR agent in Claude, n8n or Clay. Writing the emails is the easy part for them. The question they bring us is the same every time: where do the contacts come from?

AI SDR tools at a glance

Vendor pricing pages and G2, October 2026. Each vendor counts a different unit, so each entry gives the cost per unit.

1. 11x

11x G2 rating: 4.5/5 (43 reviews)

11x now sells a family of agents by channel, with Alice handling outbound.

11x is an autonomous outbound AI SDR for mid-market teams. Its agent, Alice, researches each account, writes email and LinkedIn messages and follows up; 11x also sells inbound and phone agents. Disclosure: 11x uses FullEnrich as a data provider.

11x bills by new prospect, not by message: Growth costs $3,750 a month for 2,000 new prospects, about $1.88 each, whether Alice sends one touch or six. Contacts come from your CRM or 11x's 400M-contact database.

The research is what users rate highest, letting a small BD team run outbound at the scale of a much bigger one. Targeting is where the work goes: campaign filters can take trial and error, and every wrong-fit contact still uses a paid slot.

Best for: Mid-market B2B companies (51 to 1,000 people) that want outbound run by an agent.

Key features

• Bring your own leads: load CRM contacts or pull from the database, so you decide who the agent works.
• Account research: Alice profiles each prospect before writing, so the first line references the company and role instead of a merge field.
• Email and LinkedIn from each rep's identity, with activity synced back to HubSpot, Salesforce or Pipedrive, so reps see every touch without logging it by hand.

Pros

• Longer sequences cost nothing extra, so you can test follow-ups freely.
• Messages are specific to each prospect's company and role because Alice researches before she writes, which keeps a small team's volume from reading like a template.

Cons

• A slot is spent on the first touch, so a weak segment burns prospects before any reply tells you.
• Only Growth shows a price; Pro and Enterprise go through sales.

Pricing: Growth starts at $3,750/mo, billed annually, with up to 5 users. Pro (5,000 prospects) and Enterprise (10,000+) are custom.

The 11x plan table spells out what each tier includes, down to warm-up and bounce suppression.

2. Artisan

Artisan G2 rating: 4.3/5 (70 reviews)

Artisan sells Ava as an AI BDR, the same job other vendors call an AI SDR.

Artisan is an all-in-one AI BDR for small teams without SDRs. Its agent, Ava, finds leads in Artisan's own database, enriches them, and writes and sends email from your domains; a human power dialer is a paid add-on. Disclosure: Artisan uses FullEnrich as a data provider.

Intern costs $250 a month, billed annually, for 10,000 credits, which Artisan sizes at about 500 leads contacted: roughly $0.50 a lead. A phone number costs 10 credits, so adding calls shrinks reach.

Ava works the lists you give her and finds the replacement when a contact has left.

Where she pays off depends on how warm the list is and how big the deal is. Across SaaStr's AI SDR rollout, warm audiences such as recent event attendees answered at 11-12%, against 5.5% for older, colder lists.

After a forced 2-3 week warm-up, Ava closed deals under $1K on her own and handed $50-100K deals to a person. Buyers we talk to see it as pricier than point tools.

Best for: Small B2B software teams with no SDRs of their own.

Key features

• Ava, the AI BDR: lead finding, enrichment, writing and sending in one place.
• Free tier: 300 credits a month for finding and enriching leads, so you can check its data before paying for campaigns.
• Human power dialer add-on: $67 per seat a month, for calls next to email.

Pros

• Published self-serve prices, so a small team can budget without a sales call.
• Lead data, writing and sending sit in one product, so a team without SDRs has one tool to learn.

Cons

• Ava is only as specific as the campaign brief, so a vague brief gets vague emails.
• Phone numbers cost 10 credits each, which shrinks reach on call-heavy campaigns.

Pricing: Artisan's Startups plans run from Free ($0, 300 credits) to Intern at $250/mo (~500 leads) and Employee at $600/mo (~1,250 leads), billed annually. Businesses and Enterprises plans are quote-only.

The Startups tab turns each plan's credits into a rough count of leads contacted per month.

3. FullEnrich

FullEnrich G2 rating: 4.8/5 (246 reviews)

FullEnrich pitches itself to agent builders as the data underneath the agent.

FullEnrich is a B2B contact data platform that finds and verifies work emails, personal emails and mobiles for AI SDRs and the teams building their own agents. It's the most accurate option for email and mobile across regions: a waterfall across 20+ providers, every result verified, billed only when found. 11x, Artisan and AiSDR run on it underneath.

An agent sends to whatever it's given, so its contacts decide what it books. Teams on our calls watch one number: past 3-4% bounces, their sender pauses the mailbox and every sequence on it stops. So they use FullEnrich in two ways.

They backfill the emails and mobiles their AI SDR or sequencer can't find, or they hand their own Claude agent an API key and let it enrich as it works. Nory's BDR team runs the full flow from list building to enrichment that way.

Best for: Any team feeding an AI SDR or running its own agent that wants the highest find rate on emails and mobiles, in every region.

Key features

• Waterfall enrichment: 20+ providers in turn until a result passes verification. Bring your own provider keys and they go through the same checks.
• Mobile verification: line type and active status on every number, so agents and reps dial live mobiles, not landlines.
• Search: size a segment by title, industry, headcount or job change for free before you spend a credit.
• Reverse email lookup: turn an inbound email, even a Gmail signup, into a name, title, company and LinkedIn profile.
• API and MCP: teams such as Deel and Revolut call the API from their agents; Semrush and Remote use the MCP in Claude or ChatGPT.

Pros

• You pay only for verified results (1 credit per work email, 3 per personal email, 10 per mobile), so a weak segment costs little to test.
• Credit limits per user, so a misfiring agent can't burn a month of credits.
• Unlimited users, and unused credits roll over (3 months monthly, 12 yearly).

Cons

• Not an outreach tool. You'll need another tool to send.
• Mobiles cost 10 credits each, so phone-heavy lists cost more.

Pricing: The free trial gives 50 credits, no card. Pro starts at $29/mo for 500 credits; on the 1,000-credit plan, a work email costs about 5.5 cents.

4. AiSDR

AiSDR G2 rating: 4.6/5 (103 reviews)

AiSDR's homepage leads with meetings, and its pricing starts without a sales call.

AiSDR is a self-serve AI SDR that runs email, LinkedIn and calls from one sequence, for small teams that want outbound without a contract. Disclosure: AiSDR uses FullEnrich as a data provider.

You pay $1.50 per person prospected, charged daily, and can stop anytime: $1,500 per 1,000 people with research, lists and writing included. Contacts come from 300M+ native leads plus a waterfall of 20 data providers.

The first month is slow by design while new mailboxes warm up, and persona setup takes a few rounds before the personalization lands. Plan for daily oversight early: one mid-market team has three people working in it every day.

Best for: Small software companies that want outbound they can stop the day it stops paying.

Key features

• Multichannel sequences: AiSDR runs email, LinkedIn requests, InMails and voice notes, plus Aircall call steps, in one flow.
• AI Monitoring: watches CRM contacts and starts outreach on a role change or a funding round.
• Managed options: a warmed-up mailbox for $33, or a fully managed service at $2,500/mo, so you can skip building sending infrastructure yourself.

Pros

• No sales call or contract to start, so a test costs little.
• Research, lists and writing sit inside the $1.50, so a pilot needs one budget line instead of a separate data contract.

Cons

• Messaging credits can run out just as a campaign gains traction, so leave budget headroom.
• At $1.50 a person, heavy volume adds up until you move to a Team plan.

Pricing: AiSDR's pricing page shows no monthly fee for pay as you go; Team plans are quoted on volume.

AiSDR fits its whole self-serve price on one line.

5. Salesforge (Agent Frank)

Salesforge G2 rating: 4.6/5 (157 reviews)

Agent Frank runs on top of Salesforge's sequencer and mailboxes rather than replacing them.

Salesforge is a cold email and LinkedIn sequencer with its own mailbox infrastructure, and Agent Frank is the AI SDR on top. It's built for high-volume cold email.

Frank learns from your edits: in Co-Pilot's first two weeks, corrections become memories he reuses, so week three reflects how carefully someone reviewed.

His meetings come from volume, about one booked per 302 emails in a deliverability vendor's 90-day test across 40 mailboxes, so track show-ups, not bookings. Access starts with a demo, and most G2 reviews rate the sequencer rather than Frank.

Best for: Small marketing and lead-gen agencies sending cold email at volume.

Key features

• Co-Pilot and Auto-Pilot modes: approve or edit Frank's work before it sends, then hand over once you trust it.
• Spread sending: volume splits across Gmail, Outlook and Salesforge mailboxes, so one burnt domain doesn't stop a campaign.
• Primebox: replies from every mailbox land in one inbox.

Pros

• Deliverability is built in, and an agent sending at volume needs it.
• Co-Pilot gives a supervised start without a second tool.

Cons

• No trial of Frank himself, so you commit before seeing his output.
• Mailboxes and domains cost extra on top of the agent.

Pricing: Agent Frank's card covers up to 1,000 active contacts at either billing rate.

The annual view shows Frank at $417 a month; on quarterly billing it reads $499.

6. Reply.io (Jason AI)

Reply.io G2 rating: 4.6/5 (1,563 reviews) (most reviews rate the sequencer)

Jason lives inside Reply's sequencer, so agent and sending tool share one login.

Reply.io is a sales engagement platform, and Jason AI is its built-in AI SDR. Jason finds prospects, sends personalized messages and manages responses, and teams already on Reply can switch it on without migrating anything.

The approval mode decides what you actually see. In "First steps only", you approve the opener and Reply sends the follow-ups on its own, so the first step deserves the review you'd give a whole sequence.

Agencies test it on 50-100 contacts before a full list, and it earns trust faster on the first touch than on nuanced replies, so keep reply handling manual at first. Starter includes 1,000 contacts, about $0.50 each a month; past that, Reply's data runs on credits.

Best for: Small B2B companies already sequencing in Reply.

Key features

• Jason AI: prospecting, writing and sending in the same platform as your sequences.
• Reply handling by question: Auto, Draft or Stop & notify per type, so simple pricing questions get answered and tricky ones wait.
• AI Learnings: your edits become standing writing rules.

Pros

• Starter includes 1,000 real-time contacts, so a small team can start sending without buying a list first.
• Reply handling splits by question type instead of all-or-nothing, so you automate the easy answers and keep pricing talks for a person.

Cons

• Deleting a pending message drops that contact from the sequence for good, so tidying the review queue can shrink a list without warning.
• Data past the included contacts runs on separate credits, so cost climbs with the list.

Pricing: Reply's AI SDR plans start at $500/mo billed annually for Starter, so $6,000 for the first year, and Growth starts from $1,500 a month. Our Reply.io pricing guide covers Reply's other plans.

On the AI SDR tab, Starter's $500 is the annual-billing rate.

7. Amplemarket (Duo)

Amplemarket G2 rating: 4.6/5 (701 reviews)

Amplemarket frames Duo as the agent that builds pipeline while reps close.

Amplemarket is a sales platform for SDR teams that want data, calls and AI under one contract: built-in contact data, a dialer and Duo, an AI copilot. Duo drafts multichannel sequences for a rep to approve, or runs them alone on signals an admin picks.

Duo learns from what reps throw away. Dismiss a recommendation as "bad company" or "not the right person" and the account is excluded for at least six months, and no dismissal can be undone.

When buyers bring Amplemarket up with us, it's for the data and dialer, with Duo as the extra. The complaints we hear are freshness and phone coverage, and running Claude on top of its credits can double the burn.

Best for: Small and mid-sized B2B software companies (up to 1,000 people) with an in-house SDR team.

Key features

• Autopilot per signal: an admin picks which signals Duo handles end to end; the rest wait for review.
• Daily scans: Duo scans the web every 24 hours, so outreach follows a job change while it's fresh.
• Five steering fields: value props, tone, sequence instructions, a per-agent prompt and battlecards, so drafts follow your positioning instead of generic copy.

Pros

• Precise dismissals train Duo, so recommendations get sharper the more carefully reps review them.
• Signal-level autopilot automates the plays you trust and leaves the rest for review.

Cons

• A careless dismissal hides a good account for six months, and only admins can apply one team-wide.
• Startup covers 2 users, so a bigger SDR team lands on a custom Growth or Elite quote.

Pricing: Startup is $600/mo on an annual term with 2 users and 13,500 email credits per user per year, so $7,200 for the first year. Growth and Elite are custom. Our Amplemarket pricing breakdown covers the bigger plans.

The compare table lists phone credits per user per year, which is where calling teams hit the ceiling.

8. Apollo.io

Apollo.io G2 rating: 4.7/5 (9,849 reviews)

Apollo sells its agents as a layer on the database and sequencer teams already use.

Apollo.io is a contact database and sequencer with three scheduled AI agents and an MCP server. It suits small teams that want data, sequences and AI for one seat price.

Each agent runs daily, weekly or monthly, ends in a recommendation a person approves, and stops at a credit limit. That limit matters. A loose ICP still returns plausible-looking contacts with a confident reason attached.

One account saw 10,392 credits go on contacts outside the US, partly a setup issue, and the Claude MCP can mix up titles, with a CRO search pulling a Chief Risk Officer. Start with a low per-run limit and a confirm step.

Best for: Small B2B companies that want scheduled agents on top of the database and sequencer they prospect in.

Key features

• Three scheduled agents: lead discovery, sequence creation and sequence optimization, on Professional and Organization plans.
• Per-run credit limit: caps what one run spends before it asks.
• One change at a time: the optimization agent proposes a single change per run, so you know what moved the numbers.

Pros

• Scheduled agents end in a recommendation you approve, so nothing runs unseen.
• Per-run credit limits make it cheap to try an agent on a small run before you widen it.

Cons

• Agents need Professional or above; Free and Basic don't include them.
• Title and location errors flow straight into agent-built lists.

Pricing: Professional is $79 and Organization $119 per seat a month billed annually, with 48,000 and 72,000 credits per seat a year; Organization needs 3 seats. Our Apollo pricing guide runs the numbers per plan, and our sales prospecting tools roundup compares it with other databases.

Apollo shows annual billing first; the agents start on the Professional card.

Skip it if you want sending without sign-off. Apollo's agents stop at a recommendation by design; for outbound run end to end, look at 11x or our Apollo alternatives.

9. Qualified (Piper)

Qualified G2 rating: 4.9/5 (1,567 reviews)

Piper works your website, so the page sells visitor conversations rather than cold outreach.

Qualified is an inbound AI SDR for mid-market Salesforce teams with real site traffic. Its agent, Piper, talks to website visitors by chat, email and voice, qualifies them and books meetings. It doesn't prospect.

Piper pays off on a few large deals, not volume. In its first 90 days on Qualified, SaaStr, a Qualified customer, turned 668,591 sessions into 91 meetings and $1.01M closed-won, and puts the floor at 10,000 to 25,000 monthly visitors.

Piper can only qualify on what the visitor shares, so thin forms turn the chat into a checklist; a reverse email lookup on the visitor first gives it more. Route pricing questions and meeting requests to people, and give each handoff an owner and a freshness clock.

Best for: Mid-market B2B software companies (51 to 1,000 people) on Salesforce with steady site traffic.

Key features

• Piper: chat, email and voice on your site around the clock.
• Account segmentation with waterfall enrichment: on every plan, so accounts are scored before Piper replies.

Pros

• Speed to lead stops depending on office hours: traffic you already pay for gets an answer at night and on weekends.
• Results tie straight to pipeline, so the business case is easy to measure.

Cons

• It needs traffic; a low-visit site won't feed it enough conversations.
• Quote-only pricing, capped by sessions and active contacts.

Pricing: Qualified's plans are quote-only. Premier covers 1 SDR agent profile, 250K monthly web sessions and 2.5K monthly active email contacts; Enterprise raises that to 2M and 10K.

Every Qualified plan routes to a demo: the caps are listed, the prices aren't.

10. Salesforce Agentforce SDR

Salesforce Agentforce G2 rating: 4.3/5 (1,696 reviews) (rating covers all of Agentforce, not only the SDR agent)

Salesforce pitches its agents as working next to reps, inside the CRM they already use.

Salesforce Agentforce SDR is an inbound lead-nurturing agent inside Salesforce. It works the leads already in your org and brings no contact data of its own.

Agentforce charges per action, so your sequence length sets the price. At $0.10 an action, Salesforce's own SDR example runs 3-6 actions, or $0.30-0.60 a conversation; a full SDR sequence can take 35+ actions, $3.50 a conversation.

It works best on a lead pile you already own: one team aimed it at about 1,000 ghosted form-fills, triggered it by hand at first, and let it ask for meetings instead of booking them. Setup went smoothly there because Salesforce put an engineer on the account; without one, budget admin time.

Best for: Mid-market and enterprise B2B companies (51+ people) on Salesforce Enterprise edition or above.

Key features

• Lead nurturing inside Salesforce: the agent emails CRM leads, answers questions and asks for the meeting.
• Manual approval: emails wait up to 14 days for sign-off before they cancel.
• CRM-grounded actions: it reads past interactions and can trigger Flows and follow-up tasks, so each reply reflects what the lead already did and reps get the next step in their queue.

Pros

• No new data to buy or sync: it works records you already own.
• Approval windows keep a person in the loop while you learn.

Cons

• Needs Enterprise edition or above, Data Cloud and admin work before it sends.
• Unused Flex Credits don't roll over, so overbuying while you learn is money lost.

Pricing: Flex Credits cost $500 per 100,000, or $0.10 per action, and Salesforce's own SDR example runs 3-6 actions per conversation.

The Conversations card now serves existing customers only; new buyers start on Flex Credits.

How do you run your own AI SDR from Claude?

You run your own AI SDR from Claude by connecting the FullEnrich MCP and chaining four FullEnrich skills: one finds your ICP, one spots what just changed at your accounts, one builds and enriches the list, and one writes and pushes the sequence.

Searching and trigger detection are free. Claude shows the credit cost and waits for your yes before it enriches anyone.

You still approve the spend, the sequence and the first sends, so nothing reaches a buyer you haven't seen. For the full build, here's how to build an AI sales agent.

How do you test an AI SDR before you sign?

Run a two-week pilot on one segment you trust, and judge it on meetings held per dollar, not replies.

1. Start with about 200 contacts you know are right. Enrich 25-30 rows first and look for roughly 70%+ verified emails before writing copy. You can run them on a free FullEnrich account.
2. Give it a do-not-say list. Agents invent offers and dates, and spelling out what you don't do fixes most of it.
3. Cap the spend in credits or dollars before the first run.
4. Read every early email and keep replies manual for the first weeks. Send from a separate domain with DMARC set up for outbound.
5. Check the CRM before each send: skip open deals, stop on reply, honor suppression.
6. Count meetings held. About half of a reply folder is auto-replies.

Which AI SDR tool fits your team?

One setup worth copying runs two lanes: an agent for the long tail, people for the 200 or so accounts the quarter depends on. If an agent isn't the job you need done, see our AI sales tools roundup or our best MCP servers for sales.

Feed your AI SDR contacts worth sending to

Whichever agent you pick will multiply what it's given, at machine speed, so give it people who are real and worth the send.

The flow is short: search your ICP for free, enrich only the contacts worth reaching, pay only for what verifies, then hand the list to your agent or run the agent yourself in Claude.

Open a free account and your first 50 credits are on us.

FAQ

What is an AI SDR tool?

An AI SDR tool is software that does a sales development rep's top-of-funnel work: it finds prospects, writes to them, follows up and books meetings. Outbound agents like 11x reach out cold; inbound agents like Qualified's Piper answer website visitors and CRM leads.

Can an AI SDR replace human SDRs?

An AI SDR can't fully replace human SDRs: it handles volume and first touches, while people set the targeting, review the output and take the best accounts. In the Bridge Group's 2025 survey of 351 companies, the first to count AI SDRs, 1% of respondents used one.

How much does an AI SDR cost?

Published entry points run from $1.50 per person prospected (AiSDR) to $3,750 a month for 2,000 new prospects (11x Growth). Quote-only enterprise agents cost more: one team budgets $50-100K a year to start. Compare cost per unit, since vendors charge per person, prospect, lead or action.

Is there a free AI SDR tool?

No tool on this list runs AI SDR campaigns free for good, but several let you start at $0. Artisan's Free plan gives 300 credits a month for finding and enriching leads, and its paid plans open with a free trial; Amplemarket's plans include a free trial too. FullEnrich gives 50 free credits for the contact data an agent works from, and Salesforce Foundations is $0 to start building Agentforce agents.

What's the difference between an AI SDR and an AI BDR?

An AI SDR and an AI BDR are the same kind of tool under two labels. Both describe an agent doing top-of-funnel prospecting: Artisan calls Ava an AI BDR, while G2 files the category as AI SDRs. Judge the tool on its contacts and how it charges, whatever the name.

Can I build my own AI SDR with ChatGPT or Claude?

You can build your own AI SDR with ChatGPT or Claude by connecting a contact data source through MCP, letting the assistant search and enrich, and sending the drafts yourself. Expect quiet failures, like scoring that silently drops good leads or enrichment that bills for empty results. Test the fallback, cap credits, and keep a person on the send button.