2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Universal-3 Pro leads on raw accuracy; Voxtral Mini Transcribe covers the most languages; Voxtral Mini Transcribe is cheapest.
Verdict · who wins what
Most accurate
Universal-3 Pro
13.5% WER
AssemblyAI
Fastest
—
—
Most languages
Voxtral Mini Transcribe
8 languages
Mistral (Voxtral)
Cheapest
Voxtral Mini Transcribe
$0.0030/min
Mistral (Voxtral)
Comparing
2 models · same benchmark
1
Universal-3 Pro
AssemblyAI
AssemblyAI's most powerful speech language model — up to 1000 keyterm phrases
2
Voxtral Mini Transcribe
Mistral (Voxtral)
Mistral Voxtral Mini Transcribe — EU-hosted batch transcription with speaker diarization, segment timestamps, and custom vocabulary (context bias). Strong accuracy at very low cost; handles recordings up to 3 hours.
30-day benchmark average
overall WER vs price
Universal-3 Pro
Voxtral Mini Transcribe
field · 26 models
lower-left is better
WER · lower is better
WER · English
p50 → p99
Streaming benchmark averages
Rolling 30 days
billed per second
Feature support
Languages · formats · regions
general
legal
medical
noisy
technical
uk
us
Latency p99
5.8s
2.3s
$18.00
1,000 hours
$208.80
$180.00
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
Yes
Compliance
Is Universal-3 Pro or Voxtral Mini Transcribe more accurate?
Universal-3 Pro is more accurate, with a 13.5% word error rate versus 13.7% for Voxtral Mini Transcribe, on our standardized benchmark.
Which is cheaper, Universal-3 Pro or Voxtral Mini Transcribe?
Voxtral Mini Transcribe is cheaper at $0.0030/min versus $0.0035/min for Universal-3 Pro.
Should you choose Universal-3 Pro or Voxtral Mini Transcribe?
Choose Universal-3 Pro for accuracy; choose Voxtral Mini Transcribe for lower cost and language coverage.
