StackSwap recommends

AiSDR: Autonomous Outbound at Per-Conversation Pricing

AiSDR is the AI-SDR platform we recommend for founders and lean RevOps teams who want autonomous outbound without betting on a turnaround story. Per-conversation pricing, real reply-handling, and the calmer alternative to 11x in a category that needs more calm.

Why we recommend AiSDR

The AI-SDR category is loud and full of broken promises. 11x defined it but burned credibility with flagged customer claims and 4-of-5 co-founder departures. Artisan built the strongest brand but ships slower than the marketing implies. The category needed a calmer alternative that ran the same playbook without the drama. AiSDR is that — operator-grade, per-conversation pricing, and a reply-handling layer that actually works.

The pricing model matters. Per-seat AI SDR pricing makes the buying math fragile — you commit to a license whether the agent generates pipeline or not. Per-conversation pricing inverts the risk: cost scales with output, so the proof-of-value runway is longer and the failure mode is bounded. For a founder testing whether outbound has product fit, that's the right shape.

The math vs. hiring an SDR

Path	Year-1 cost	Time-to-first-meeting	Risk if it doesn't work
Hire 1 SDR (US, fully loaded)	$80–120K + tooling + ramp	60–90 days	Severance + management cost + reputational
AiSDR (~1,000 conversations/mo)	$9–18K	~7–14 days	Cancel; bounded to spend cap
Apollo + your time (founder-led)	$1–3K + your hours	Immediate	Opportunity cost of founder time

AiSDR pricing reflects published SMB tier; conversation volume scales linearly above. SDR comp reflects typical US fully-loaded ranges (salary + benefits + tooling + ramp). Confirm current pricing on each vendor's site.

Where AiSDR shines

Pre-first-SDR-hire founders. Test outbound product-fit on $9–18K instead of $100K+ in headcount risk. The ROI signal comes from real reply data, not a hiring intuition.
Reply-handling autonomy. Most AI-SDR tools stop at first-touch. AiSDR handles replies — qualifies interest, answers objections, books meetings — which is where the actual operator hours hide.
Per-conversation pricing. Cost scales with output. If the agent drives no replies, you pay nearly nothing. Per-seat competitors charge full freight regardless.
Lower-drama option in the category. Procurement-friendly compared to 11x; less brand baggage.

Where AiSDR is the wrong choice

Multilingual outbound at scale. 11x has wider language coverage. If you need 10+ languages with native-quality copy, that still goes to 11x today.
High-touch ABM with named accounts. Personalization quality plateaus on accounts with thin public surface area. Account-based motions still need humans.
Mature SDR teams already at quota. Adding AiSDR alongside 5+ tenured SDRs hitting plan is duplicate spend, not capacity expansion. Use the budget on more humans or better data.
Procurement requires explicit AI-content review. Regulated industries should clear policy before adopting any AI-SDR. AiSDR is no different than the rest of the category here.

Common alternatives compared

Tool	Best for	Pricing model	Reply handling
AiSDR	Founders + lean teams testing AI SDR before hiring	Per-conversation	✅ Native
11x	Multilingual at scale; sophisticated buyers willing to do diligence	Annual contract ($50K–$200K)	✅ Native
Artisan AI	English-only mid-market teams wanting calmer AI SDR brand	Per-seat + usage	✅ Native
Apollo	Bundled data + sequencing with AI assists, not full autonomy	Per-seat ($49–$99/user/mo)	⚠️ Manual + AI-assisted
Reply.io	Sequencer with AI helpers for individual reps	Per-seat ($60–$120/user/mo)	⚠️ Manual + AI-assisted

Common use cases we see

Founder-led pipeline experiments: pre-PMF and early-stage founders running AiSDR alongside their own outreach to test whether outbound has product fit before hiring.
Lean RevOps capacity expansion: teams with 1–2 SDRs that need more reach without adding headcount, especially on tier-3 accounts that don't justify human time.
Inbound qualification: auto-respond to form fills and book qualified meetings without an SDR sitting on the inbox.
Outbound resurrection: teams with dormant cold lists and no SDR to work them — AiSDR runs the lift autonomously.

FAQ

What does AiSDR actually do?

AiSDR runs the cold-outbound cycle end-to-end: prospecting from a target list or ICP, generating personalized first-touch emails using public signals + your value prop, scheduling sends with deliverability pacing, handling replies (qualifying, objection-handling, booking meetings), and pushing activity back into HubSpot or Salesforce. The wedge vs. legacy SEPs is autonomy — operators set up the playbook once and the agent executes without per-touch human intervention.

How does AiSDR compare to 11x?

Both are autonomous AI-SDR platforms aiming at the same job. 11x has more brand visibility (a16z-backed, category-defining) and broader multilingual coverage. AiSDR is the calmer alternative — fewer co-founder departures, fewer flagged customer claims, and per-conversation pricing that maps more cleanly to ROI math. If you're English-only and your procurement team has questions about 11x's track record, AiSDR is the lower-risk default.

What does AiSDR cost?

Usage-based: pricing scales with conversations handled rather than per seat. Typical SMB plans start around $750-$1,500/mo for ~1,000 conversations and scale up by volume. The math to compare: $80-120K/yr fully-loaded SDR comp (salary + benefits + tooling + ramp time) vs. $9-18K/yr AiSDR for similar conversation volume. The cost case usually breaks favorably before reply economics are even proven.

Does AiSDR replace SDR hiring or augment it?

Both motions exist. Pre-first-SDR-hire founders use AiSDR to test whether outbound has product fit before committing $100K+ to a hire. Teams with 1-2 SDRs use it to extend reach without adding headcount. Teams with 5+ SDRs typically use it for prospect tier-3 accounts that don't justify human time. The wrong motion: replacing experienced AEs with the agent — closing still requires humans on most B2B deals.

How does AiSDR compare to Apollo or Reply.io?

Apollo and Reply.io added AI features as bolts onto traditional sequencers — they're still seat-priced platforms with AI-assisted writing. AiSDR is built around autonomy: the agent decides who to contact, how to personalize, and how to handle replies, with humans in the review loop rather than the execution loop. For teams that want full autonomy AiSDR wins; for teams that want a sequencer with AI helpers, Apollo or Reply do the job at lower cost.

Does AiSDR work outside English?

Coverage is narrower than 11x. AiSDR handles English natively and supports several major European languages, but if multilingual outbound across 10+ languages is a hard requirement, 11x has more depth. For US/UK/EN-EU teams, the language coverage is not a constraint.

When should I NOT use AiSDR?

Three cases: (1) high-touch named-account ABM where each contact gets 30 minutes of human research — autonomy doesn't help; (2) regulated industries where compliance review of AI-generated content is gating — buy time before adopting; (3) you already have 5+ tenured SDRs hitting quota with Outreach — adding AiSDR is duplicate spend not capacity expansion.