2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Whisper Large V3 leads on raw accuracy; Whisper Large V3 is fastest; Whisper Large V3 covers the most languages; Whisper Large V3 is cheapest.
Verdict · who wins what
Most accurate
Whisper Large V3
17.7% WER
OpenAI
Fastest
Whisper Large V3
0.3× realtime
OpenAI
Most languages
Whisper Large V3
98 languages
OpenAI
Cheapest
Whisper Large V3
$0.0060/min
OpenAI
Comparing
2 models · same benchmark
1
Nova-3
Deepgram
Deepgram's flagship model — 53% lower WER vs competitors, code-switching support
2
Whisper Large V3
OpenAI
OpenAI's Whisper large-v3 model
30-day benchmark average
overall WER vs price
Nova-3
Whisper Large V3
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
1.8s
4.3s
Final drain
181ms
—
Real-time factor
1.01×
—
Flicker
9.6%
—
Cadence
0.8/s
—
$36.00
1,000 hours
$460.80
$360.00
No
Auto-detect language
Yes
Yes
Live / streaming
Yes
No
Custom vocabulary
Yes
No
Compliance
Is Nova-3 or Whisper Large V3 more accurate?
Whisper Large V3 is more accurate, with a 17.7% word error rate versus 21.0% for Nova-3, on our standardized benchmark.
Which is cheaper, Nova-3 or Whisper Large V3?
Whisper Large V3 is cheaper at $0.0060/min versus $0.0077/min for Nova-3.
Should you choose Nova-3 or Whisper Large V3?
Whisper Large V3 is the stronger choice overall, leading on accuracy, speed, lower cost, and language coverage.
