2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Amazon Transcribe leads on raw accuracy; Amazon Transcribe is fastest; Amazon Transcribe covers the most languages; Universal-3 Pro is cheapest.
Verdict · who wins what
Most accurate
Amazon Transcribe
13.0% WER
Amazon Web Services
Fastest
Amazon Transcribe
0.4× realtime
Amazon Web Services
Most languages
Amazon Transcribe
77 languages
Amazon Web Services
Cheapest
Universal-3 Pro
$0.0035/min
Comparing
2 models · same benchmark
1
Universal-3 Pro
AssemblyAI
AssemblyAI's most powerful speech language model — up to 1000 keyterm phrases
2
Amazon Transcribe
Amazon Web Services
AWS foundation model-powered ASR — 100+ languages
30-day benchmark average
overall WER vs price
Amazon Transcribe
Universal-3 Pro
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
13.0s
$20.88
$36.00
1,000 hours
$208.80
$360.00
Yes
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
No
Compliance
AssemblyAI
Is Universal-3 Pro or Amazon Transcribe more accurate?
Amazon Transcribe is more accurate, with a 13.0% word error rate versus 17.5% for Universal-3 Pro, on our standardized benchmark.
Which is cheaper, Universal-3 Pro or Amazon Transcribe?
Universal-3 Pro is cheaper at $0.0035/min versus $0.0060/min for Amazon Transcribe.
Should you choose Universal-3 Pro or Amazon Transcribe?
Choose Universal-3 Pro for lower cost; choose Amazon Transcribe for accuracy, speed, and language coverage.
