11x vs Sybill
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose 11x if you want ai digital workers for outbound sales prospecting and voice outreach (Supervised agent, enterprise); choose Sybill if you want ai sales assistant that summarizes calls and updates the crm (Supervised agent, subscription).
| 11x | Sybill | |
|---|---|---|
| What it is | AI digital workers for outbound sales prospecting and voice outreach | AI sales assistant that summarizes calls and updates the CRM |
| Type | agent | agent |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | enterprise · $3,750/mo (Alice Growth, billed annually) | subscription · $30/user/mo (Pro) |
| Best for | mid-market, enterprise | smb, mid-market |
| Deployment | saas | saas, api |
| Modalities | text, email, voice | voice, text, email |
| Models | proprietary | proprietary |
| Protocols | function-calling, rest-api | rest-api, mcp |
| Integrations | HubSpot, Salesforce, Slack, G2, Gmail | Zoom, Google Meet, Microsoft Teams, Salesforce, HubSpot, Gmail |
| Capabilities | 4 documented | 4 documented |
11x
- +Consolidates research, list-building, multi-channel sending, reply handling, and meeting booking into one platform with CRM sync
- +Offers both outbound text/email (Alice) and AI voice agents (Julian, Mike)
- +Unified API and webhooks across workers for triggering actions from your own stack
- -TechCrunch reported in March 2025 that 11x had been claiming customers it does not have, with former employees alleging inflated ARR and high churn; 11x disputed parts and stated a retention figure (reported allegations, not adjudicated facts)
- -Pricing is high and largely opaque, with annual contracts and an entry plan in the tens of thousands per year
Sybill
- +Strong automatic per-call output (summaries, email drafts, CRM autofill) that cuts sales admin
- +Broad integration coverage including conferencing, CRMs, dialers, and an API
- +Transparent published per-seat pricing
- -The richest features (full CRM autofill, cross-deal intelligence) sit on the higher Business tier
- -Underlying language models are undisclosed
Which should you choose?
11x is ai digital workers for outbound sales prospecting and voice outreach, best for mid-market, enterprise. Sybill is ai sales assistant that summarizes calls and updates the crm, best for smb, mid-market. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.