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Retell AI logoPRetell AI · PolyAI · Compare · Checked Oct 27, 2026

Retell AI vs PolyAI Dialog-RSN-1 API pricing: which is cheaper?

At 1,000 minutes a month, Retell AI costs $99.80 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $75.25 in favor of PolyAI Dialog-RSN-1 API, before PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 27, 2026 (Retell AI) and Oct 29, 2026 (PolyAI).

Retell AI logoRetell AI$99.80$0.0998/min at 1,000 minPricing retellai.com
PPolyAI$24.55$0.0246/min at 1,000 min · cheaperPricing poly.ai

Monthly cost at four volumes

Retell AI and PolyAI Dialog-RSN-1 API monthly cost by volume on our stated stack, USD
VolumeRetell AIPolyAI
500 min/mo$50.90$12.85
1,000 min/mo$99.80$24.55
5,000 min/mo$491.00$118.15
10,000 min/mo$980.00$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

Retell AI and PolyAI Dialog-RSN-1 API pricing facts, with sources
ItemRetell AIPolyAI
How it billsPick your providersPick your providers
Headline rate$0.055/min voice infra$0.02/min connected minute
All-in per minute at 1,000$0.0998/min$0.0246/min
Concurrency20 concurrent calls2 until a card, then 10
Free to start$10 credits (one-time)$100 before Nov 19, 2026
Telephony$0.015/minNot included
LLM$0.0016–$0.64/minText tokens billed separately

Where the money goes at 1,000 minutes

Platform & linesBundled AI rateLLMTranscriberVoicePhone

$99.80 /mo at 1,000 min

  • Voice infra$55.00
  • LLM (GPT 4.1 mini)$12.80
  • TTS (Retell platform voices)$15.00
  • Telephony (Retell Twilio, US)$15.00
  • Phone number$2.00
  • Extra concurrency (20 included)$0.00

Full Retell AI pricing

$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.

Full PolyAI pricing

FAQ

Is Retell AI cheaper than PolyAI?

At 1,000 minutes a month, Retell AI costs $99.80 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $75.25 in favor of PolyAI Dialog-RSN-1 API, before PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 27, 2026 (Retell AI) and Oct 29, 2026 (PolyAI).

How much does Retell AI cost per minute?

Retell AI lists $0.055/min (voice infra). All-in on our stack it works out to $0.0998 a minute at 1,000 minutes a month, or $99.80.

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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All comparisons · Rankings at your volume · How prices are checked

Sources

  1. retellai.com ·
  2. poly.ai ·