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Pick two or three. Every cell comes from the vendor’s pricing page, checked October 14, 2026.

Retell AIVapi
Starting price$0 platform fee; $0.07–$0.31/min for voice agents$0 to start; $0.05/min Vapi hosting, models billed pass-through at cost
BillingUsage-based (per minute), pay as you goUsage-based (per minute) + optional support package
Best forTeams that want a no-code flow builder plus an API with itemized per-minute pricingDevelopers who want to choose their own LLM, transcriber, voice and telephony provider
CategoryVoice Agent PlatformsVoice Agent Platforms
Key features
  • No-code flow builder and API
  • Pre-built agent templates and call analytics
  • Choice of many LLMs and voices (incl. ElevenLabs) priced per minute
  • Bring-your-own model, transcriber and voice providers
  • Unlimited agents on every plan
  • Vapi telephony/SIP, WebSockets and WebRTC transport at no extra charge
SourcePricing page ↗Pricing page ↗

Head-to-head comparisons

Vapi vs Retell AI→Vapi vs Bland AI→Retell AI vs Bland AI→Synthflow vs Vapi→Smith.ai vs Dialzara→Goodcall vs Rosie→ElevenLabs Agents vs Vapi→Deepgram vs AssemblyAI→Dialzara vs Rosie→OpenAI Realtime API vs Gemini Live API→Sierra vs Decagon→PolyAI vs Parloa→Cartesia vs ElevenLabs→Telnyx vs Twilio→Deepgram vs Speechmatics→Rime vs Cartesia→Vonage vs Plivo→