11x vs Vapi
Two of the most-asked-about agents in the sales space. Here's how they actually stack up.
11x
AI SDR platform with Alice for outbound prospecting and Jordan for voice sales
From $1500/mo
Read full review →Vapi
Developer-focused voice AI platform for building production-grade voice agents via API
Free tier
Read full review →Side-by-side comparison
| 11x | Vapi | |
|---|---|---|
| Tagline | AI SDR platform with Alice for outbound prospecting and Jordan for voice sales | Developer-focused voice AI platform for building production-grade voice agents via API |
| Pricing | From $1500/mo | Free tier |
| Categories | sales, ai-sdr, outbound | voice-agents, api, conversational-ai |
| Made by | 11x | Vapi |
| Launched | 2022 | 2022 |
| Platforms | Web | API, Web, Phone |
| Status | active | active |
11x highlights
- + Alice AI SDR: autonomous outbound prospecting agent that researches leads, writes personalized emails, and manages multi-step sequences without human involvement
- + Jordan AI voice agent: handles inbound and outbound sales calls with natural conversation, qualifies leads, and books meetings directly into rep calendars
- + Real-time prospect research pulling from web data, LinkedIn, and company signals to personalize outreach at scale
- + CRM sync with Salesforce and HubSpot to log all activity, update contact records, and track sequence performance automatically
- + Multi-channel outreach coordination across email, LinkedIn, and phone without needing manual handoffs between channels
Vapi highlights
- + Real-time streaming voice with sub-500ms response latency on most configurations
- + Bring your own LLM: works with OpenAI, Anthropic, Groq, Together, and local models
- + Bring your own STT and TTS providers including Deepgram, ElevenLabs, and Play.ht
- + Phone number provisioning and outbound/inbound call management via API
- + Function calling and tool use for external integrations mid-conversation
Frequently Asked Questions
Which is better, 11x or Vapi?
Neither is universally better. 11x (From $1500/mo) leans into sales, while Vapi (Free tier) is closer to voice-agents. Pick based on which workflow you actually do every day.
What is the price difference between 11x and Vapi?
11x is from $1500/mo. Vapi is free tier. See the pricing row in the comparison table.
Can I use 11x and Vapi together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.