11x vs AiSDR: an honest comparison for cold outbound teams

At a Glance: 11x vs AiSDR and Alternatives

Both tools aim to replace manual prospecting, but they work differently. 11x acts as a replacement for a human SDR. AiSDR acts as a force multiplier for the reps you already have. That difference shapes every pricing and risk tradeoff on this page.

Pricing: $750/Month vs. $5,000/Month

AiSDR's Starter plan runs $750/month for roughly 1,000 contacts per month, per AiSDR's pricing page. 11x doesn't publish pricing publicly, but buyer reports and community discussions on G2 and Reddit consistently put the entry point between $4,000 and $6,000 per month, locked into an annual contract.

That gap compounds fast. One 11x agent costs $48,000 to $72,000 per year. A team running two reps on AiSDR's Growth plan spends roughly $36,000 over the same period and keeps more control of the motion. For that delta, you could hire a junior SDR, tool both reps on AiSDR, and still have budget remaining.

11x's pitch is that it replaces a $70,000/year SDR salary. That argument holds only if the AI converts pipeline at a rate comparable to a human. No published benchmark confirms that's happening at scale.

Autonomy: What Each Platform Actually Does

11x automates the full outbound loop: prospect identification, email writing, follow-ups, and reply handling, without a human approving any step. AiSDR handles personalization and sequencing but keeps your rep in the driver's seat for approvals and replies.

The autonomy pitch is compelling until you look at the history. In 2024, TechCrunch reported that 11x was using human agents to handle tasks the company marketed as fully AI-driven, per TechCrunch's reporting. 11x disputed parts of the characterization and has made product changes since, but the episode raised real questions about what you're actually buying at $5,000/month.

AiSDR is more straightforward about what it does. It drafts, schedules, and personalizes outreach. Your team reviews and approves. Less exciting to demo. Considerably less risky to buy.

Data and Personalization

AiSDR includes a 700M+ contact database and pulls LinkedIn activity data to personalize opening lines at scale, per AiSDR's feature documentation. It syncs natively with HubSpot and Salesforce so your CRM stays current without manual exports or custom integrations.

11x also claims personalization through its Alice agent, using intent signals and social data to tailor messages. The specific data sources and refresh rates aren't documented publicly, which makes it harder to audit data quality before you sign a 12-month contract with no published exit terms.

If your team runs a CRM-first motion, AiSDR's native integrations matter. You're not rebuilding a workflow around a system you can't see into.

Who Should Use 11x vs AiSDR

AiSDR fits most B2B outbound teams under 50 reps who want to scale volume without adding headcount. 11x is a higher-autonomy bet for teams willing to commit $50,000/year to test whether an AI agent can fully replace a human SDR role.

Choose AiSDR if: your reps own client relationships and need better tooling, your budget is under $2,000/month per seat, you want CRM parity without custom work, or you're not ready to remove human oversight from your outbound motion.

Choose 11x if: you're running a high-volume outbound program, have budget for a 12-month commitment, and can absorb the questions around workflow transparency the platform still carries.

If neither fits your current stage, a Research-Led Outreach partner can run campaigns built on actual buyer-language outreach without locking your team into either platform long-term.

Want Research-Led Outreach Run For You?

Modern Inbound mines buyer language, builds account lists, writes outreach, manages client-owned inboxes, and routes qualified replies. Your team gets sales conversations, not another tool to operate.

Frequently Asked Questions

How much does 11x cost compared to AiSDR?

11x starts around $5,000/month based on buyer reports, locked to an annual contract. AiSDR starts at $750/month. The annual difference for one seat is roughly $51,000.

Is 11x actually AI or do humans do the work?

11x markets itself as fully autonomous. In 2024, TechCrunch reported that human agents handled tasks marketed as AI-driven. 11x has made product changes since, but transparency about the full workflow remains limited.

Can AiSDR replace a human SDR?

No. AiSDR is a tool for your existing reps. It handles personalization and sequencing; your team approves sends and manages replies. 11x is explicitly targeting headcount replacement.

Which AI SDR has better data coverage?

AiSDR publishes 700M+ contacts with LinkedIn personalization, per AiSDR's feature page. 11x doesn't disclose data source details publicly, making coverage harder to evaluate before committing.