PDeepgram · PolyAI · Compare · Checked Oct 27, 2026
Deepgram Voice Agent API vs PolyAI Dialog-RSN-1 API pricing: which is cheaper?
At 1,000 minutes a month, Deepgram Voice Agent API costs $79.55 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $55.00 in favor of PolyAI Dialog-RSN-1 API, before PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 27, 2026 (Deepgram) and Oct 29, 2026 (PolyAI).
Deepgram$79.55$0.0796/min at 1,000 minPricing deepgram.comMonthly cost at four volumes
| Volume | Deepgram | PolyAI |
|---|---|---|
| 500 min/mo | $40.35 | $12.85 |
| 1,000 min/mo | $79.55 | $24.55 |
| 5,000 min/mo | $393.15 | $118.15 |
| 10,000 min/mo | $785.15 | $235.15 |
Our calculation from list prices: 3-minute inbound calls, 10 at once, one US number. A green dot marks the cheaper side. Change the scenario.
What each one bills for
| Item | Deepgram | PolyAI |
|---|---|---|
| How it bills | Bundled rate | Pick your providers |
| Headline rate | $0.075/min Standard tier | $0.02/min connected minute |
| All-in per minute at 1,000 | $0.0796/min | $0.0246/min |
| Concurrency | 45 connections (Standard) | 2 until a card, then 10 |
| Free to start | $200 credit | $100 before Nov 19, 2026 |
| Telephony | Bring your own carrier | Not included |
| LLM | Not itemised on the pricing page | Text tokens billed separately |
Where the money goes at 1,000 minutes
Platform & linesBundled AI rateLLMTranscriberVoicePhone
Deepgram Voice Agent API
$79.55 /mo at 1,000 min
- Voice Agent API, Standard tier$75.00
- Telephony: Twilio Elastic SIP, US local inbound$3.40
- Twilio number$1.15
PPolyAI Dialog-RSN-1 API
$24.55 /mo at 1,000 min
- Dialog-RSN-1 connected minutes$20.00
- Voice output (free until Nov 19, 2026)$0.00
- Telephony: Twilio Elastic SIP, US local inbound$3.40
- Twilio local number$1.15
- Concurrency for 10 calls (10 included after a card is added)$0.00
Text tokens are excluded, so the real cost is higher. Voice output is free until Nov 19, 2026; the price after that is not published. This total is valid only until Nov 19, 2026.
FAQ
Is Deepgram cheaper than PolyAI?
At 1,000 minutes a month, Deepgram Voice Agent API costs $79.55 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $55.00 in favor of PolyAI Dialog-RSN-1 API, before PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 27, 2026 (Deepgram) and Oct 29, 2026 (PolyAI).
How much does Deepgram cost per minute?
Deepgram Voice Agent API lists $0.075/min (Standard tier). All-in on our stack it works out to $0.0796 a minute at 1,000 minutes a month, or $79.55.
How much does PolyAI cost per minute?
PolyAI Dialog-RSN-1 API lists $0.02/min (connected minute). All-in on our stack it works out to $0.0246 a minute at 1,000 minutes a month, or $24.55.
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Sources
- deepgram.com ·
- poly.ai ·