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; Soniox STT Realtime 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
Soniox STT Realtime
$0.0020/min
Comparing
2 models · same benchmark
1
Amazon Transcribe
Amazon Web Services
AWS foundation model-powered ASR — 100+ languages
2
Soniox STT Realtime
Soniox
Soniox realtime streaming transcription — low-latency multilingual STT across 60+ languages with speaker diarization, per-word timestamps, and automatic language identification over a single WebSocket.
30-day benchmark average
overall WER vs price
Amazon 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
—
13.0s
—
Final drain
—
0ms
Real-time factor
—
1.09×
Flicker
—
66.5%
Cadence
—
3.6/s
$11.88
1,000 hours
$360.00
$118.80
No
Auto-detect language
Yes
Yes
Live / streaming
No
Yes
Custom vocabulary
No
No
Compliance
—
Soniox
Is Amazon Transcribe or Soniox STT Realtime more accurate?
Amazon Transcribe has a published benchmark at 13.0% word error rate. Soniox STT Realtime has not been benchmarked yet.
Which is cheaper, Amazon Transcribe or Soniox STT Realtime?
Soniox STT Realtime is cheaper at $0.0020/min versus $0.0060/min for Amazon Transcribe.
Should you choose Amazon Transcribe or Soniox STT Realtime?
Choose Amazon Transcribe for accuracy, speed, and language coverage; choose Soniox STT Realtime for lower cost.
