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Lead generation has four jobs inside it. Find the companies worth approaching. Find the right person at each one. Work out whether they are worth an email at all. Send the first one, then follow it up.

Every list of AI lead generation tools I read while putting this one together assumed the same buyer: a sales team with a CRM, a data budget and somebody whose job is wiring the two together. That buyer is real, and most of this category is built for them. They are also not the person who usually asks me this question. The person who asks me is running a business on their own, or with two other people, and wants to know what the cheapest honest version looks like.

So the scope here is tight on purpose. Top of the funnel only: sourcing, enriching, qualifying and the first touch. Demos, pipeline hygiene and closing are a different purchase, and the best AI agents for sales teams covers that half of the cycle. If you want the category explained before you shop, what an AI sales agent actually does is the primer.

Every price below came off the vendor's own pricing page in September 2026. The sources list carries the URL and the date I read each one. Prices in this category move quarterly, so treat every figure as a starting point and check the page yourself before you pay for anything.

My own product is on the list, at number one. Discount that accordingly. The comparison table sits right underneath it if you would rather start there.

TL;DR

Seven lead generation agents, one line each

  1. You want the task done and nothing to build: Gravity. First agent free, then Pro at $5 a month during the alpha.
  2. Contact data and sending on one invoice: Apollo.io at $49 per user a month on the annual view its page shows by default, with credits metered on top of the seat.
  3. Research nobody sells as a field: Clay, whose free plan carries 500 actions and 100 data credits a month, counted apart.
  4. Outbound volume with a bill you can forecast: Regie.ai, $49 a month for 5,000 credits.
  5. The lead problem is really your inbox: Lindy, $29.99 per seat a month.
  6. Content to be priced on a sales call: Artisan, whose pricing page carries no entry rate.
  7. Nobody yet: 11x, whose pricing page returned a 404 when I went looking on 12 September 2026.
  8. The cheapest honest loop for one person is zero a month, built from two free tiers and your own inbox. It costs you an afternoon a week instead. The full costing is further down.
The four stages of a prospecting loop drawn in order: build a target list, find the contact, qualify the account, send the first email.

How I compared them

Five questions, asked of every tool on this page. They separate these products faster than any feature grid, because the feature grids in this category all look the same.

  • Which of the four jobs does it own? Sourcing, enriching, qualifying and sending are four different products wearing the same marketing.
  • Who does the work? You configure a sequence and keep it alive, or somebody hands you a finished worker and you approve what it sends.
  • What does one seat cost? Not the team price, not the enterprise tier. One person, one month, the number on the page.
  • Is there a free tier you can finish something on? Most free tiers in this category are demos. A few of them are genuinely enough to prove an idea on two hundred rows of your own data before you spend money.
  • What happens when it runs out? Credits, actions, data credits and seats all run out differently, and the difference is where the surprise invoices come from.

I read the pricing pages and the public docs myself, in September 2026, on the dates listed in the sources. I have not run a bake-off between these products and I am not going to pretend otherwise. Where a claim about how a tool behaves comes out of the vendor's own documentation, I say so in the sentence.

There is a faster test than reading seven sections. Describe the prospecting task to Gravity and see whether an agent for it already exists. The first one runs free, with no card.

Quick comparison

ToolWhat it isWho does the workStarting price (Sep 2026)Free tierBest for
GravityAI agent platform, expert-built agentsThe agent. You describe and approve.Free (Basic); Pro $5/mo in the alpha; Max $20/moFirst agent free, no cardAn owner who wants the first touch handled
Apollo.ioContact database plus sequencingYou build the sequence$49/user/mo (Basic, annual view)900 credits a yearData and sending on one invoice
ClayResearch table with an agent in the columnsYou build the table, the agent fills it$167/mo annual, $185/mo month to month (Launch)500 actions plus 100 data credits a monthQualifying questions no database answers
Regie.aiAI SDR platform for outboundThe agent, you supervise$49/mo Pro, 5,000 credits250 credits, one timeOutbound volume you can budget
LindyAI assistant with skillsThe assistant, you approve$29.99 per seat/mo (Plus, 3,000 credits)Trial onlyReplies and follow-ups in your own inbox
Artisan (Ava)AI SDRThe agentNot publishedNone listedBuyers content to be priced on a call
11x (Alice)AI SDRThe agentNot published; /pricing returned a 404None listedNobody, until there is a number to read

Read from each vendor's own pricing page in September 2026, on the dates in the sources list. Monthly rates unless the row says otherwise. Apollo's Basic figure is the annual-billing rate its page shows by default. Gravity's row is my own product and is marked as such.

1. Gravity: best when you want the first touch done, not designed

The Gravity app: a prompt box asking what you want to get done

This is my product, so weigh it accordingly. It sits first because it is the only entry on this page where the thing you buy is the finished job rather than a place to do the job.

You type the task in plain words. Find twenty-five companies that look like my last three customers, work out who runs marketing there, draft a first email for each. Gravity matches that description to an agent a builder has already made and tested, you sign in to the accounts it needs, you answer its setup questions, and it runs on a schedule.

Anything going out under your name waits for you. Approval is built into the run, so there is no setting you have to remember, and that matters more in outbound than anywhere else. The failure mode here is a hundred strangers receiving something wrong.

The catalogue is the honest limit. Gravity went live in September 2026, so the shelf is still short, and if nobody has published an agent for your exact motion yet, this is not your tool this month.

Who keeps the agent working

When a website changes shape or an API moves, the builder who published the agent fixes it. That is their job. On every other entry in this list, that job is yours, and it arrives on the morning you had planned to do something else.

Pros

  • Nothing to build, host or repair
  • Approval before anything reaches a prospect
  • One flat number a month, at any volume
  • First agent free, no card

Cons

  • Only published agents, no blank canvas
  • The catalogue is young and still short
  • Wrong fit for an unusual outbound motion nobody has published yet
Best for
A solo consultant or a three-person agency that has been meaning to do outbound for four months and has not started.
Pricing
First agent free, no card. Then Pro at $5 a month during the alpha, or Max at $20 a month for more agents and usage. Buy more usage if you run out. As of September 2026.
Free tier
Yes. One agent, free, no card.
Verdict
The shortest route from "I should be doing outbound" to something actually going out on Tuesday. If the work you want back is the chase after a call, the sales call follow-up agent is the closer fit.

2. Apollo.io: contact data and sending on one invoice

Apollo is the pragmatic pick for a small team that would otherwise buy three separate things: a contact database, a sequencing tool and an enrichment tool. Basic is $49 per user a month on the annual view its pricing page shows by default, with credits metered on top.

That shape is familiar from every SaaS bill you already pay. The seat buys access and the credits buy work, so the invoice has a floor you can predict and a ceiling you cannot. For a three-person agency, do the multiplication first: three seats on Basic is $147 a month at that annual rate, which is higher than most owners have in their head when they start clicking.

The credit line under the seat price

The free plan carries 900 credits a year. That is 75 a month, and whatever a credit buys at Apollo, 75 of them is an evaluation allowance rather than a working one. If you intend to prospect every week, budget for the paid tier from day one and treat the free plan as a look around.

One practical annoyance is worth knowing before you research this yourself. Apollo's pricing page renders entirely in JavaScript, so the numbers are visible to a person with a browser and invisible to anything reading the page programmatically. In a year when buyers routinely ask an assistant to compare tools for them, Apollo is the one the assistant will get wrong.

Pros

  • Database, enrichment and sequencing on one bill
  • A published entry price with a seat you can count
  • A free plan that exists, if only for a look

Cons

  • Seat pricing multiplies the moment a second person joins
  • Credits meter on top, so the ceiling is unknowable in advance
  • 900 free credits a year is 75 a month, which finishes nothing
Best for
One or two people who want the list and the sending in the same tab, without a second subscription.
Pricing
Basic at $49 per user a month on the annual view, with credits metered separately. Free plan at 900 credits a year. Read 12 September 2026.
Free tier
Yes, 900 credits a year.
Verdict
The most sensible single purchase on this page for a team of one or two, and the first one to get expensive at four.

3. Clay: the research layer everything else drinks from

Clay is a table. Each row is a company or a person, each column can call a data provider or an agent called Claygent, and Claygent goes and finds the thing no vendor sells as a field: whether they just hired a third salesperson, what the careers page implies about budget, whether the founder posts.

Most outbound that works has something like this underneath it, whether or not the person running it thinks of it as agent software. This is the layer that turns a list of companies into a reason to write to one of them.

Clay runs two meters at once. Actions and data credits are counted separately, which means there are two independent ways to run out, and the free plan demonstrates it plainly: 500 actions and 100 data credits a month, with up to 200 rows per table and unlimited seats on top.

That free plan is the most useful thing on this page for somebody working alone. Two hundred rows is enough to find out whether the question you want answered is a question Claygent can actually answer on your kind of company, which is the only test that matters before you pay anybody.

Why one plan shows two prices

Clay's plan card shows Launch at $167 a month on the annual view. Lower down the same page, the pricing FAQ says Launch starts at $185 a month. Both are correct and neither is a mistake: $167 is the annual commitment divided across twelve months, $185 is what month to month costs. Growth starts at $495 a month and Enterprise is a custom annual number.

One tier detail catches people who read 2026 coverage of Clay's account-level agents, because those sit on Launch and above. Sign up on Free expecting them and what you are testing is Claygent alone. I go further into which of Clay's two meters rewards which behaviour in the full write-up of Clay's AI agent and what it spends.

Pros

  • Answers qualifying questions that no database has a column for
  • A free tier you can genuinely finish a small experiment on
  • Unlimited seats, so a partner can look without a second bill
  • Bring your own model key from the free plan up

Cons

  • Two meters means two ways to run out mid-job
  • Launch is a large step up from free for a solo budget
  • It builds the list and then expects you to send from somewhere else
Best for
Anyone whose qualifying criterion is a sentence rather than a filter.
Pricing
Free with 500 actions and 100 data credits a month. Launch at $167 a month on annual billing, or from $185 month to month per the pricing FAQ on the same page. Growth from $495. Enterprise custom and annual. Plan names read 7 September 2026, prices re-read 14 September 2026.
Free tier
Yes, and it is the best one here.
Verdict
Start on Free, build one table of 200 rows, and only upgrade when that table has produced a reply. If it has not, the problem was never the research.

If the budget is the whole constraint, read the cheapest AI agent platforms next. It runs the same price comparison across the whole agent category, and it covers what happens to each bill as you add a second person.

4. Regie.ai: outbound volume you can budget before the demo

Regie.ai earns its place for an unglamorous reason. It publishes a real entry price with a stated allowance attached, which puts it ahead of most of this category before anyone opens a feature list. Pro is $49 a month and carries 5,000 credits.

That works out at roughly one cent a credit, the lowest published per-credit rate among the outbound tools on this page. Credits buy different things at each vendor and do not convert across them, so treat that as a sanity check on your own forecast and nothing more.

The free allowance is 250 credits, given once. Against Pro's 5,000 a month that is five per cent of a single month, which makes it a demonstration rather than a trial. Whether $49 is cheap in practice depends entirely on how many credits your motion burns, and Regie does not owe you that forecast in advance.

Pros

  • A published price with a published allowance, which is rarer here than it should be
  • The clearest per-unit number on the page
  • Built for outbound volume from the start

Cons

  • 250 one-time credits is not a trial
  • Nothing to offer a visitor already sitting on your pricing page
  • You still supervise the sending

It is the wrong tool entirely if your real problem is inbound. Pricing read on 12 September 2026: Pro at $49 a month with 5,000 credits, and a one-time 250-credit free allowance.

5. Lindy: for when the lead problem is actually your inbox

Lindy belongs here even though nobody sells it as a lead generation tool, because a large share of what a solo owner calls their pipeline is really inbox work. Answering the same three questions. Booking the call. Sending the thing you promised on it.

Plus is $29.99 per seat a month with 3,000 credits attached, read on 11 September 2026. Lindy's own pricing page describes runs metered in credits, and an everyday ask costs a fraction of what a research job costs, so the same plan feels generous for one person and thin for four. The pool is shared across the seats, which is the detail that decides whether adding a colleague is cheap or expensive.

What it will not do is source. Lindy works on what arrives, so if your problem is that nothing arrives, buy from higher up this page first and come back here when the replies start landing faster than you can answer them.

For the narrower job of getting what was said on a call into your CRM without you typing it, the meeting notes to CRM agent is the same idea with a smaller blast radius.

Everything after the first reply lives in a different post. The best AI agents for sales teams covers demos, pipeline and closing. If the people you are chasing are candidates, the LinkedIn recruiter outreach agent runs this same loop at a hiring pipeline.

6. Artisan: the AI SDR you cannot price from the website

Artisan sells Ava, an AI SDR that sources, writes and sends. It is the shape of product most people picture when they hear the phrase "AI agent for lead generation": one hire, no seat count, does the whole loop while you do something else.

Its pricing page carried no entry rate when I read it on 12 September 2026. Third-party write-ups quote anywhere from a few hundred to several thousand dollars a month, and a spread that wide is not evidence of anything except that the number comes out of a sales call sized to the buyer in front of it. I am not going to pick a figure out of that range and present it to you as research.

What to ask before the demo

Ask for a flat monthly figure and a stated volume allowance, in writing, before the call ends. Then hold that answer against Regie's $49 with 5,000 credits attached, which is the cheapest published comparison point in the same job. If what comes back is a range rather than a number, you are the variable being priced.

7. 11x: no published price, and a history worth reading first

11x sells Alice, also an AI SDR, and I cannot price this one either. 11x.ai/pricing returned an HTTP 404 on 12 September 2026, so there is not even a page on which to hide a number.

There is also a reporting history you should know before you book anything. TechCrunch reported in March 2025 that 11x had been claiming customers it did not have; the article includes the company's response, and the fair thing is to read both and form your own view. Ask for references you can actually call.

For a business at this size the practical position is short. A vendor that publishes no floor is not courting a three-person agency, and reading that as a signal and moving on costs you nothing.

What the whole prospecting loop costs one person

Here is the part the other lists skip. Take one person doing outbound seriously for a month: a hundred target companies, a contact found at each, enough research to write something that is not obviously templated, and a first email with two follow-ups. One workload, six routes through it, September 2026 prices.

RouteWhat you buyWho does which jobMonthly cost (Sep 2026)
The free stackApollo free plus Clay free, sending from your own inboxThe tools find and enrich within the allowances; you ration, judge and send$0
One paid seatApollo Basic, a single userApollo holds the data and sends; you write and decide$49 on the annual rate
Research ledClay Launch plus Apollo BasicClaygent researches, Apollo sends, you approve$216 with Clay on annual billing; $234 if you take Clay month to month at $185
Outbound volumeRegie.ai ProThe agent sources and sends, you supervise$49 with 5,000 credits
Hand the loop overGravityA published agent runs the task; you approve what goes outFirst agent free, then Pro at $5 a month during the alpha (Max is $20 a month)
Autonomous SDRArtisan or 11xThe agent, in theory, all of itNot published by either vendor

Built from each vendor's published rates and allowances as read in September 2026. The $216 and $234 figures are my own arithmetic on Clay's two published Launch rates plus Apollo's annual Basic rate; Apollo's month-to-month rate is not one I read. Your own volumes will move every row.

Read the third column before the fourth. The distance between the zero row and the $216 row is not capability, it is how much of the research you buy instead of doing yourself, and how much an afternoon a week is worth to you.

The free stack is genuinely viable for one person, which is not something I would say about most software categories. It works because you ration. Apollo's 75 credits a month and Clay's 500 actions will not carry a hundred rows, so you spend them on the twenty accounts that actually matter and do the rest with a browser and a coffee. Anybody telling a solo owner they need a $200 stack to send fifty emails is selling something.

The arithmetic changes shape the moment a second person joins. Seat-priced tools multiply and meter-priced tools do not, which is why two-person agencies tend to land on Clay or Regie while five-person teams land on Apollo. Agencies running this loop on behalf of clients have a third problem again, and AI agents for marketing agencies covers the multi-account version of it.

One task, one agent, no card. Hand the first-touch job to Gravity and look at what comes back before you price anything else on this page.

Which one should you choose?

Start from which of the four jobs you are actually bad at. Most people shopping for a lead generation agent already have a list and no time to research it, or plenty of research and no discipline to send anything. Those are different purchases and buying the wrong one feels like the software failing.

If the missing piece is contact data and somewhere to send from, Apollo is the pragmatic answer at one or two seats. Watch the credit meter for the first month and watch the seat count after that.

If the missing piece is research, buy Clay and start on the free plan. Two hundred rows will tell you inside a week whether the questions you want answered are the questions Claygent can fill on your kind of company.

If you are running outbound at real volume and need a figure you can put in a forecast, Regie.ai publishes the clearest one on this page at $49 for 5,000 credits.

If the bottleneck is your own inbox, buy one Lindy seat for one month and decide at the end of it.

If a budget line and a procurement conversation are involved, Artisan and 11x are built for exactly that meeting. Get the floor in writing before it ends.

And if you would rather the job simply happened, that is the option I built, so treat this paragraph as an advertisement. You describe the task, an agent somebody already built and tested runs it, and the first one is free. It is the wrong choice when your motion is unusual enough that nobody has published an agent for it, which is a real limit in a catalogue that went live in September 2026.

Owner-operators fitting this in around everything else should start at AI agents for small business, which is the wider version of this question with less outbound in it.

FAQ

Can an AI agent generate leads without me?

It can do the finding, the enriching and the drafting without you. The judgement calls and the approval before anything goes out under your name are still yours, and on outbound that is the step worth keeping, because the failure mode is a hundred strangers receiving something wrong.

What is the cheapest way for one person to run AI lead generation?

Two free tiers plus your own inbox, at zero a month. Apollo's free plan carries 900 credits a year, which is 75 a month, and Clay's carries 500 actions plus 100 data credits a month with up to 200 rows per table. Those were the published allowances in September 2026, and the cost you pay instead is your afternoon.

Do I still need Clay if I already pay for Apollo?

Only if the thing you want to know is not a field anyone sells. Apollo gives you contact data and a place to send from. Clay is where you go when the qualifying question is something like whether a company just hired its third salesperson, which no database has a column for.

Which AI lead generation tools have a usable free tier?

Clay's is the most usable of the paid tools: 500 actions and 100 data credits a month, counted separately, with up to 200 rows per table. Apollo gives 900 credits a year and Regie.ai gives 250 credits once, which is five per cent of a single month on its $49 Pro plan. Gravity runs your first agent free with no card. Allowances read in September 2026.

Is an AI SDR worth it for a three-person agency?

Probably not at the prices you can see, and definitely not at the ones you cannot. Artisan published no entry rate when I read its pricing page on 12 September 2026, and 11x.ai/pricing returned a 404 the same day. A vendor that publishes no floor is not courting a three-person agency.

Do any of these tools include the email sending?

Apollo and Regie.ai include sequencing and sending. Clay builds the list and expects the sending to happen somewhere else. Lindy works inside the inbox you already have, so it sends as you rather than as a campaign tool.

What is the difference between a lead generation agent and a workflow automation?

A workflow tool hands you a canvas and you wire the steps together yourself, including the repair when a step breaks. An agent is given the outcome and works out the steps, then pauses for your approval before anything reaches a person. AI agent vs workflow automation goes further into where the line sits.

Sources

  1. Apollo.io pricing, read 12 September 2026. Basic at $49 per user a month on the annual view, free plan at 900 credits a year. The page renders in JavaScript only.
  2. Clay, "Compare plans, features and costs", prices re-read 14 September 2026, plan names and allowances first read 7 September 2026. The plan card shows Launch at $167 a month on the annual view; the pricing FAQ lower down the same page states Launch starting at $185 a month for month to month billing.
  3. Claygent product page and agent pricing FAQ, Clay, checked 7 September 2026. Claygent is available on all tiers including Free; account-level agents sit on Launch and above.
  4. Regie.ai pricing, read 12 September 2026. Pro at $49 a month with 5,000 credits, plus a one-time 250-credit free allowance.
  5. Lindy pricing, read 11 September 2026. Plus at $29.99 per seat a month with 3,000 credits, shared across seats.
  6. Artisan pricing, read 12 September 2026. No entry rate published.
  7. 11x pricing, returned HTTP 404 on 12 September 2026.
  8. TechCrunch, "a16z and Benchmark-backed 11x has been claiming customers it doesn't have", Dominic-Madori Davis and Marina Temkin, 24 March 2025. Includes 11x's response.
  9. Gravity pricing, September 2026. First agent free, Pro $5 a month during the alpha, Max $20 a month.