These tools competes with

VapivsRetell AI

Voice agent middleware for production phone and web agents versus Low-latency conversational voice AI platform

Compare interactively in Explore →

Choose Vapi when…

  • You're building phone or web voice agents with real-time conversation
  • You need multi-provider LLM + TTS + STT routing in one platform
  • You want production-grade call analytics and interruption handling

Choose Retell AI when…

  • Latency is critical — sub-800ms end-to-end response is required
  • You're building healthcare or compliance-sensitive voice agents (HIPAA)
  • You want native backchannels and human-like turn-taking out of the box

Side-by-side comparison

Field
Vapi
Retell AI
Category
Voice AI
Voice AI
Type
Commercial
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Pay-as-you-go: $0.05/minEnterprise: Custom
Pay-as-you-go: $0.07/minEnterprise: Custom
GitHub Stars
Health

Vapi

Full-stack platform for building, testing, and deploying voice AI agents. Handles real-time telephony, multi-provider LLM routing, interruption detection, and call analytics. Most-adopted voice agent infrastructure in production.

Retell AI

Platform for building production voice agents with sub-800ms latency end-to-end. Handles telephony, turn-taking, backchannels, and interruptions natively. Strong on call reliability and HIPAA compliance for healthcare use cases.

Shared Connections2 tools both integrate with

Only Vapi (2)

Retell AIDeepgram

Only Retell AI (1)

Vapi

Explore the full AI landscape

See how Vapi and Retell AI fit into the bigger picture — 207 tools, 455 relationships, all mapped.

Open in Explore →