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The real cost of every voice agent, in plain numbers.

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1
ElevenLabs
The most natural-sounding AI voice we have heard, whether you are voicing a video or putting it on a live phone line.

7.7 Excellent $0.10/min pay as you go ≈ €0.09–0.26≈ £0.07–0.22≈ ₹9.57–28.71≈ R$0.50–1.51≈ A$0.14–0.42 Visit
2
Synthflow
Build a phone receptionist by dragging boxes together, no code needed, though the bill grows with your call volume.

7.6 Excellent $0.15/min pay as you go ≈ €0.13–0.21≈ £0.11–0.18≈ ₹14.36–22.97≈ R$0.75–1.20≈ A$0.21–0.34 Visit
3
Retell AI
Get a working phone agent live in days, not months, with the call handling built in and the AI brain your choice.

7.4 Strong $0.13/min pay as you go ≈ €0.11–0.27≈ £0.10–0.23≈ ₹12.44–29.67≈ R$0.65–1.56≈ A$0.18–0.43 Visit
4
Cartesia
The speed specialist whose fast, natural speech is what keeps a live phone agent feeling real rather than laggy.

7.3 Strong $0.08/min pay as you go ≈ €0.07–0.13≈ £0.06–0.11≈ ₹7.66–14.36≈ R$0.40–0.75≈ A$0.11–0.21 Visit
5
LiveKit
The open-source real-time stack that carries voice-agent audio, plus a framework to wire your own STT, LLM and voice.

7.0 Strong $0.02/min from $50/mo ≈ €0.02–0.17≈ £0.01–0.15≈ ₹1.91–19.14≈ R$0.10–1.00≈ A$0.03–0.28 Visit
6
Vapi
Build a phone agent exactly the way you want it, choosing each part yourself, if you have a developer to hand.

6.9 Strong $0.05/min pay as you go ≈ €0.04–0.26≈ £0.04–0.22≈ ₹4.79–28.71≈ R$0.25–1.51≈ A$0.07–0.42 Visit
7
Bland
Run big outbound calling campaigns on one flat per-minute rate, best if you have engineers to set it up.

6.7 Strong $0.11/min from $299/mo ≈ €0.09–0.12≈ £0.08–0.10≈ ₹10.53–13.40≈ R$0.55–0.70≈ A$0.15–0.20 Visit
8
Pipecat
Open-source Python framework where you pick every voice-agent part, free to self-host, with Daily's cloud for scaling.

6.5 Strong $0.03/min pay as you go ≈ €0.02–0.17≈ £0.02–0.15≈ ₹2.58–19.14≈ R$0.14–1.00≈ A$0.04–0.28 Visit
9
Telnyx
Get the voice agent and the phone network it runs on from one provider, useful when you want billing in one place.

6.4 Capable $0.06/min pay as you go ≈ €0.05–0.17≈ £0.04–0.15≈ ₹5.74–19.14≈ R$0.30–1.00≈ A$0.08–0.28 Visit
10
OpenAI Realtime API
OpenAI's speech-to-speech model and API for building your own voice agent, billed by audio tokens, not by the minute.

6.0 Capable $0.07/min pay as you go ≈ €0.06–0.41≈ £0.05–0.36≈ ₹6.70–45.94≈ R$0.35–2.41≈ A$0.10–0.67 Visit
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1. 11
  PolyAI
  Enterprise voice assistants for big contact centres, with brand-name customers and quote-only pricing.
  
  5.0 Fair Custom pay as you go Visit
2. 12
  Cognigy
  Enterprise omnichannel AI for voice and chat, used by airlines and carmakers, now owned by NICE. Quote-only, sales-led.
  
  4.7 Fair Custom pay as you go Visit

Scored 0–10, weighted for this use case (editorial preview, pending blind test calls). Each row shows the usage rate and the cheapest paid plan; tap a price for the full breakdown. How we score · compare prices side by side · the full ranking table.

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The real cost of every voice agent, in plain numbers.

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