OpenAI vs Mistral Voxtral
At typical volumes OpenAI costs less for 0 of 3 uses and Mistral Voxtral for 3. The gap changes with volume, so check your own numbers below.
What each one offers
| Feature | OpenAI | Mistral Voxtral |
|---|---|---|
| Speaker labels | Extra cost | Yes |
| Languages | Not published | 13 |
| Self-hosting | No | Yes |
| EU data residency | Yes | No |
| Realtime voice | Yes | Yes |
Try your own numbers
Same calculator as the home page, limited to these two providers.
Every month I transcribe of audio.
Mistral Voxtral is the cheapest, at $3.50 a month. OpenAI would cost 1.3 times as much.
Estimated monthly bill for 1,000 minutes, lowest first. 2 of 2 providers fit.
- 1Mistral VoxtralVoxtral Mini Transcribe 3, $0.0035/min$3.50 per monthLowest priceVisit Voxtral
Usage $3.50 Monthly total $3.50 Works out to $0.0035 per minute.
Priced in the "Above 0" tier; every unit is billed at that tier's rate.
- 2OpenAIGPT Transcribe, $0.0045/min$4.50 per month+$1.00, 28.6% moreVisit OpenAI
Usage $4.50 Monthly total $4.50 Works out to $0.0045 per minute.
Priced in the "Above 0" tier; every unit is billed at that tier's rate.
- Prices updated 2026-10-30.
- Priced in the "Above 0" tier; every unit is billed at that tier's rate.
- Free-tier credits are not subtracted.
- How we calculate this
Some “Visit” links are affiliate links: the provider may pay us if you sign up. That never changes the order, which is set by price alone.
Frequently asked questions
- Which is cheaper for speech-to-text at 1,000 minutes, OpenAI or Mistral Voxtral?
- Mistral Voxtral is cheaper, at $3.50 a month against $4.50 for OpenAI (prices updated 2026-10-30).
- Which is cheaper for text-to-speech at 1,000,000 characters, OpenAI or Mistral Voxtral?
- Mistral Voxtral is cheaper, at $13.00 a month against $15.00 for OpenAI (prices updated 2026-10-30).
- Which is cheaper for voice agent at 1,000 minutes, OpenAI or Mistral Voxtral?
- Mistral Voxtral is cheaper, at $40.00 a month against $96.00 for OpenAI (prices updated 2026-10-30).
Some “Sign up” links are affiliate links and may earn a commission. Rankings are computed from price only and never take affiliate status into account.