PMistral Voxtral · PolyAI · Compare · Checked Oct 27, 2026
Mistral Voxtral vs PolyAI Dialog-RSN-1 API pricing: which is cheaper?
At 1,000 minutes a month, Mistral Voxtral costs $44.55 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $20.00 in favor of PolyAI Dialog-RSN-1 API, before Mistral Voxtral's unpublished telephony fee and PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 28, 2026 (Mistral Voxtral) and Oct 29, 2026 (PolyAI).
Monthly cost at four volumes
| Volume | Mistral Voxtral | PolyAI |
|---|---|---|
| 500 min/mo | $22.85 | $12.85 |
| 1,000 min/mo | $44.55 | $24.55 |
| 5,000 min/mo | $218.15 | $118.15 |
| 10,000 min/mo | $435.15 | $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 | Mistral Voxtral | PolyAI |
|---|---|---|
| How it bills | Bundled rate | Pick your providers |
| Headline rate | $0.04/min Small 4 | $0.02/min connected minute |
| All-in per minute at 1,000 | $0.0446/min | $0.0246/min |
| Concurrency | Not published | 2 until a card, then 10 |
| Free to start | Not published | $100 before Nov 19, 2026 |
| Telephony | Enterprise-only, inbound-only | Not included |
| LLM | Included (Mistral Small) | Text tokens billed separately |
Where the money goes at 1,000 minutes
Platform & linesBundled AI rateLLMTranscriberVoicePhone
Mistral Voxtral
$44.55 /mo at 1,000 min
- Voice agent API, Small 4 (includes LLM)$40.00
- Telephony: Twilio Elastic SIP, US local inbound$3.40
- Twilio local number$1.15
Telephony is enterprise-only and inbound-only. Its fee is not published, so it is not included in the total.
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 Mistral Voxtral cheaper than PolyAI?
At 1,000 minutes a month, Mistral Voxtral costs $44.55 and PolyAI Dialog-RSN-1 API costs $24.55 on our stack, a difference of $20.00 in favor of PolyAI Dialog-RSN-1 API, before Mistral Voxtral's unpublished telephony fee and PolyAI's text tokens (valid only until Nov 19, 2026). Checked Oct 28, 2026 (Mistral Voxtral) and Oct 29, 2026 (PolyAI).
How much does Mistral Voxtral cost per minute?
Mistral Voxtral lists $0.04/min (Small 4). All-in on our stack it works out to $0.0446 a minute at 1,000 minutes a month, or $44.55.
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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