| Customer Support | Enterprise onboarding and GTM support. Access to learning hub and live optimization help for high-tier accounts. | Chat, onboarding help, enterprise support available |
| Integrations | Native integrations with Salesforce, HubSpot, Outreach, Smartlead, Lemlist, Salesloft. Also supports Webhooks and API. | Salesforce, HubSpot, API available |
| Operation Modes | Fully autonomous. Optional escalation logic for human rep engagement within workflows. | Fully autonomous |
| Message Personalization Quality | AI generates custom messages per prospect based on signal stack and persona data. Personalized by tone, context, and trigger events. | Voice AI adapts in real-time with human-like tone, pace, and emotion |
| Data Quality & Sources | 1B+ contact database enriched by 75+ real-time and static sources (intent, firmographic, job change, funding signals, etc.) | Pulls from existing CRM; reactivates dormant leads; no built-in lead database |
| Customizability | Custom playbooks, tone, cadence, target filters, and real-time reactions to buyer signals. | Tone, conversation paths, qualification logic, CRM workflows |
| Email Infrastructure | Done-for-you infrastructure with inbox warm-up, reputation routing, and automated deliverability management. No manual setup required. | Uses Cartesia voice AI engine; not email-based |
| Set Up Time & Ease | Onboarding handled by Persana team. Setup includes custom playbook definition. Initial setup may take a few days. | Fast onboarding, 24-hour deployment possible |
| Outreach Channels | Email, LinkedIn, SMS, Phone | Phone only |
| Capabilities | Automates prospecting, enrichment, outreach, replies, qualification, and meeting booking. Signal-based campaign optimization. | Inbound call handling, outbound calling, qualification, re-engagement, meeting booking |
Alex AI
Julian