All vendors (30)

$0.05/min hosting (plus pass-through model and telephony costs)

Best for: Developers who want to mix and match model providers

Retell AI

$0.07–$0.31/min (all-in range shown by vendor)

Best for: Teams wanting an all-in per-minute price with a visual builder

Bland AI

$0.14/min (Start), $0.12/min (Build)

Best for: High-volume outbound/inbound phone automation

Synthflow

not public

Best for: Mid-market and enterprise teams wanting a managed rollout

ElevenLabs Agents

not stated as flat rate; plan table shows approx. $0.17–$0.36 per included unit by tier

Best for: Teams prioritising voice quality and cloning

Smith.ai (AI Receptionist)

not public (priced per call, not per minute)

Best for: Small firms wanting per-call pricing and human fallback

Goodcall

not public (priced by unique callers)

Best for: Trades and local service businesses

My AI Front Desk (Frontdesk)

not public as overage rate

Best for: Small businesses wanting phone + chat + SMS in one plan

Rosie

not public as overage rate

Best for: Solo owners and small home-service businesses

Dialzara

$0.35–$0.48/min overage

Best for: Very small businesses wanting a low entry price

PolyAI

not public

Best for: Large contact centres (hospitality, retail, banking support)

Vocode

Open-source framework

not public (self-hosted cost depends on your providers)

Best for: Engineers who want to self-host

Thoughtly

not public

Best for: Revenue teams converting inbound leads

Lindy

not public (credit-based)

Best for: Teams automating many tasks, phone being one of them

Voiceflow

not public

Best for: CX teams and agencies building voice+chat agents

Deepgram

STT from ~$0.0043/min (model and plan dependent)

Best for: Builders choosing an STT/voice API layer

LiveKit Agents

Open-source framework

$0.01/min agent session + models + telephony (vendor example ≈ $0.048/min)

Best for: Developers wanting open-source with an optional managed cloud

Telnyx Voice AI

$0.05/min engine (+ LLM tokens + telephony)

Best for: Teams wanting telephony and AI from one carrier

Twilio ConversationRelay

not public for ConversationRelay; telephony $0.0085–$0.014/min (US)

Best for: Teams already on Twilio

OpenAI Realtime API

gpt-live-1: $0.05/min; realtime models billed per token

Best for: Developers building speech-to-speech agents directly

Hume AI (EVI)

not public

Best for: Teams focused on emotionally aware voice

Upfirst

not public (priced per call)

Best for: Small businesses with predictable call counts

Newo.ai

not public (priced per unit)

Best for: Growing SMBs (restaurants, clinics, services)

Trillet

$0.20/min overage (receptionist); $0.12/min (white-label)

Best for: Solo operators and agencies reselling voice AI

Regal

not public

Best for: Enterprise B2C sales and support

Phonely

$0.25–$0.30/min overage

Best for: SMBs wanting a free start

Ultravox

$0.05/min

Best for: Developers wanting a flat per-minute speech-native model

NiCE Cognigy

not public

Best for: Large contact centres on existing CCaaS

Cartesia

$0.06/min agent call duration

Best for: Teams needing fast TTS and simple agent hosting

Bolna AI