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What does voice AI cost at your volume?

Enter your call volume once and see every platform with published per-minute pricing ranked by estimated monthly cost.

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Your call volume

Enter how your business uses the phone — every platform below is priced at the same volume using vendor list rates.

That's 4,000 minutes of calls per month.

Estimated monthly usage cost

cheapest first · usage only
  1. 1
    Hume AI EVI

    Voice Agent Platform · $0.040/min

    $160/mo
  2. 2
    AssemblyAI

    Voice Agent Platform · $0.075/min

    $300/mo
  3. 3
    Deepgram

    Developer API · $0.075/min

    $300/mo
  4. 4
    Google Cloud Conversational Agents

    Developer API · $0.060–$0.120/min

    $240–$480/mo
  5. 5
    Bland AI

    Voice Agent Platform · $0.140/min

    $560/mo
  6. 6
    Retell AI

    Voice Agent Platform · $0.070–$0.310/min

    $280–$1,240/mo
  7. 7
    Synthflow

    AI Receptionist · $0.150–$0.240/min

    $600–$960/mo
  8. 8
    Vapi

    Developer API · $0.130–$0.330/min

    $520–$1,320/mo

Estimates use published per-minute list rates and cover usage only — most platforms add a monthly base fee, telephony/provider charges, or volume discounts. Developer APIs look cheapest because you build and operate the agent yourself. Solid bar is the vendor's lowest rate; the lighter bar extends to its highest. Always confirm pricing with the vendor.

Not in this comparison

These platforms use custom, subscription, or enterprise pricing without a published per-minute rate: