AiSDR review (2026): pricing, plans, mailboxes included, verdict

What AiSDR is

AiSDR is an AI sales development agent from AiSDR Inc. in San Francisco that researches contacts, writes and sends emails and LinkedIn messages in your voice, handles replies within minutes and books meetings, with a strategist agent called Ami that plans campaigns. Unlike most AI SDRs it publishes its prices, bundles the sending infrastructure, domains, mailboxes and warmup, into every plan, and sells it by the person prospected with no monthly fee. It claims 250-plus companies and a set of reply and demo rates that are its own figures.

AiSDR pricing explained

Two ways to buy, repriced on 15 October 2026. Pay as you go is self-serve: $1.50 per person prospected, charged daily through Stripe, no monthly fee, no sales call, stop whenever you like, with research, list building and writing costing nothing extra; the FAQ puts the smallest campaign at $7.50 in one answer and $3 in another. Team plans are for teams contacting 1,000 or more people a month, priced by volume with up to 40% lower cost per contact, billed monthly on quarterly contracts, with annual contracts 20% cheaper than quarterly; they add a dedicated GTM engineer and training, Salesforce integration, LinkedIn signals, website visitor tracking, compliance and procurement support, and AI video and voice notes. Add-ons are a warmed-up mailbox at $33 with the domain set up and warmed by AiSDR, billing period not stated, extra contacts topped up in-app, a per-campaign managed service at $149 and a fully managed service at $2,500 a month. You can sign up without a card and build with Ami; the paywall appears when a campaign launches.

The terms, last updated in August 2024, make paid subscription fees non-refundable except where the law requires, say early cancellation still owes the fees through the end of the term, and renew subscriptions unless you turn auto-renew off or give notice; the pricing FAQ, more loosely, says you can terminate at any time.

Agents, infrastructure and the two ways to buy

Ami AI is the outbound agent: it builds the campaign from a conversation, finds people across what AiSDR puts at 2 billion-plus profiles with waterfall enrichment over 20 providers, writes researched messages for email and LinkedIn, handles replies and books meetings, with GTM engineers prompting the AI in the background. The infrastructure is part of the service: lookalike domains, mailboxes AiSDR creates, continuous warmup of every connected inbox, triple bounce checks including catch-alls, inbox rotation and domain health tracking. Pay as you go turns that into a per-person price; team plans turn it into a contract with people attached.

What that means for cold email

Pay as you go is the cheapest way to see an AI SDR work: $1.50 per person prospected, no monthly fee, infrastructure and warmup handled, and a sandbox before the paywall. The economics are per contact at every level, so the question is what a prospected person is worth to you against the 1 to 3% meeting rate AiSDR quotes as a rule of thumb. The trade-off is control: the domains and mailboxes AiSDR sets up are its infrastructure, the $33 warmed-up mailbox has no stated billing period, and team plans mean quarterly contracts with no refunds.

Who AiSDR is for, and who should look elsewhere

AiSDR suits founders and small teams that want an AI SDR with the email infrastructure included and a pay-as-you-go way to start. It is a poor fit for teams that want to own and control their sending domains. Artisan’s Ava is the enterprise agent at quoted prices, B2B Rocket publishes quarterly plans from $799, Unify is the self-serve data-plus-sequencing platform from $20 a seat, and the HubSpot Prospecting Agent is metered inside the CRM. The AI SDR category compares them. Lyzr is the enterprise agent platform from $100,000 a year in production, with Jazon for sales quoted by sales. Relevance AI is the build-your-own agent platform from $19 a month billed annually, with no sending infrastructure of its own.

Using AiSDR with PureMail

AiSDR bundles its own domains and mailboxes, so the agent does not need PureMail to send. Keep the rest of the team’s outreach on PureMail’s Google Workspace or Microsoft 365 inboxes on domains you own, so the company’s sending reputation is not held entirely inside a vendor’s infrastructure, and weigh the two approaches before renewing a quarterly contract.