2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Chirp 3 leads on raw accuracy; Chirp 3 is fastest; Chirp 3 covers the most languages; Nova-3 is cheapest.
Verdict · who wins what
Most accurate
Chirp 3
10.0% WER
Google Cloud
Fastest
Chirp 3
0.3× realtime
Google Cloud
Most languages
Chirp 3
72 languages
Google Cloud
Cheapest
Nova-3
$0.0077/min
Deepgram
Comparing
2 models · same benchmark
1
Nova-3
Deepgram
Deepgram's flagship model — 53% lower WER vs competitors, code-switching support
2
Chirp 3
Google Cloud
Google's latest generative ASR foundation model — 85+ languages
30-day benchmark average
overall WER vs price
Chirp 3
Nova-3
field · 25 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
11.2s
Final drain
181ms
—
Real-time factor
1.01×
—
Flicker
9.6%
—
Cadence
0.8/s
—
$46.08
$64.08
1,000 hours
$460.80
$640.80
Yes
Auto-detect language
Yes
Yes
Live / streaming
Yes
No
Custom vocabulary
Yes
Yes
Compliance
Is Nova-3 or Chirp 3 more accurate?
Chirp 3 is more accurate, with a 10.0% word error rate versus 21.0% for Nova-3, on our standardized benchmark.
Which is cheaper, Nova-3 or Chirp 3?
Nova-3 is cheaper at $0.0077/min versus $0.0107/min for Chirp 3.
Should you choose Nova-3 or Chirp 3?
Choose Nova-3 for lower cost; choose Chirp 3 for accuracy, speed, and language coverage.
