The Haus Research Briefing

Krabat Review 2026: What an AI SDR Costs at Five Cents an Email

Buyers asking what an AI SDR costs get answers in four different units: emails, researched contacts, active contacts and seats. We lined up the prices seven vendors print, as read from their sites on 24 September 2026, and ranked them by what it costs to start.

  • Krabat: $0.05 per email sent; $30 starter credits (600 emails) when a card is added; no subscription
  • AiSDR: Solo $250/month for 200 contacts; Explore $900/month, quarterly
  • Salesforge Agent Frank: $417/month billed annually; mail infrastructure extra
  • Reply.io: AI SDR plan from $500/month
  • Amplemarket: Startup $600/month, annual, two users
  • Artisan and 11x: no published price

Key topics: AI SDR cost, AI SDR pricing, pay per email outbound, AI sales agent price.

The ranking these numbers feed: Haus Research on the best AI cold email tools

Ranked first on price: Krabat, the per-email AI SDR

What is The Haus Research Briefing?

Audio briefings from Haus Research, a research firm. Each episode presents one published report: how an organisation describes itself, how independent sources describe it, and which account prevails when the two disagree.