2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Chirp 3 leads on raw accuracy; Azure Speech is fastest; Chirp 3 covers the most languages; Azure Speech is cheapest.
Verdict · who wins what
Most accurate
Chirp 3
10.0% WER
Google Cloud
Fastest
Azure Speech
0.3× realtime
Microsoft Azure
Most languages
Chirp 3
68 languages
Google Cloud
Cheapest
Azure Speech
$0.0060/min
Microsoft Azure
Comparing
2 models · same benchmark
1
Azure Speech
Microsoft Azure
Azure default STT model — 140+ languages, diarization, word timestamps
2
Chirp 3
Google Cloud
Google's latest generative ASR foundation model — 85+ languages
general
legal
medical
noisy
technical
uk
us
Latency p99
2.0s
11.2s
Final drain
0ms
—
Real-time factor
1.01×
—
Flicker
13.2%
—
Cadence
1.7/s
—
$36.00
$64.08
1,000 hours
$360.00
$640.80
Yes
Auto-detect language
No
Yes
Live / streaming
Yes
No
Custom vocabulary
No
Yes
Max file size
1 GB
No limit
Max duration
4 h
8 h
Compliance
Is Azure Speech or Chirp 3 more accurate?
Chirp 3 is more accurate, with a 10.0% word error rate versus 15.3% for Azure Speech, on our standardized benchmark.
Which is cheaper, Azure Speech or Chirp 3?
Azure Speech is cheaper at $0.0060/min versus $0.0107/min for Chirp 3.
Should you choose Azure Speech or Chirp 3?
Choose Azure Speech for speed and lower cost; choose Chirp 3 for accuracy and language coverage.
