AI Voice Agent Cost Calculator
Cost per minute and per month for six voice agent setups, from published prices
Your call volume
3,000 minutes a month (1,000 calls x 3 min).
Cost per minute and per month, cheapest first
| Option | Per minute | Per month |
|---|---|---|
| $0.0683 | $205 | |
| $0.0818 | $245 | |
| $0.0835 | $250 | |
| $0.1250 | $375 | |
| $0.1400 | $420 | |
+ $299/month platform fee | $0.1200 | $659 |
Click an option to see each line item and its source.
The formula
Minutes per month = calls x average call length Cost per minute = sum of the per-minute line items (telephony, speech-to-text, LLM, text-to-speech, platform) Cost per month = cost per minute x minutes per month + any monthly platform fee
How this works
A voice agent bills by the minute for several things at once: the phone call, speech-to-text, the language model, text-to-speech, and on hosted platforms a platform fee. The calculator adds those per-minute prices for each option, then multiplies by your minutes a month (calls x average length) and adds any monthly platform fee.
Every price comes from the vendor's own pricing page, read on November 11, 2026, using US pay-as-you-go rates. Vapi passes model costs through at cost, so its lines use the rates Vapi lists on its own calculator. Retell lines use Retell's component table. Bland and the Deepgram Voice Agent API publish one rate that covers speech-to-text, the model and text-to-speech.
Worked example with the defaults (1,000 inbound calls of 3 minutes, so 3,000 minutes): your own stack is $0.0085 + $0.0044 + $0.0077 + $0.0077 + $0.04 = $0.0683 a minute, or $204.90 a month. Bland Build is $0.12 x 3,000 + $299 = $659 a month.
Sources (read November 11, 2026)
Want a voice or support agent built on the right stack for your volume? See AI customer support agent development.
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