2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gladia Solaria-3 leads on raw accuracy; Gladia Solaria-3 is fastest; Gladia Solaria-3 covers the most languages; Nova-2 Phone Call is cheapest.
Verdict · who wins what
Most accurate
Gladia Solaria-3
9.8% WER
Gladia
Fastest
Gladia Solaria-3
0.2× realtime
Gladia
Most languages
Gladia Solaria-3
5 languages
Gladia
Cheapest
Nova-2 Phone Call
$0.0058/min
Deepgram
Comparing
2 models · same benchmark
1
Nova-2 Phone Call
Deepgram
Optimized for low-bandwidth phone call audio
2
Gladia Solaria-3
Gladia
Gladia Solaria-3 — EU-hosted batch speech-to-text tuned for the most accurate business audio across five core European languages (English, French, German, Spanish, Italian), with speaker diarization, custom vocabulary, and word-level timestamps.
30-day benchmark average
overall WER vs price
Nova-2 Phone Call
Gladia Solaria-3
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
7.7s
Final drain
192ms
—
Real-time factor
1.02×
—
Flicker
9.0%
—
Cadence
0.8/s
—
$34.92
$60.84
1,000 hours
$349.20
$608.40
No
Auto-detect language
No
Yes
Live / streaming
Yes
No
Custom vocabulary
Yes
Yes
Compliance
Is Nova-2 Phone Call or Gladia Solaria-3 more accurate?
Gladia Solaria-3 is more accurate, with a 9.8% word error rate versus 16.4% for Nova-2 Phone Call, on our standardized benchmark.
Which is cheaper, Nova-2 Phone Call or Gladia Solaria-3?
Nova-2 Phone Call is cheaper at $0.0058/min versus $0.0101/min for Gladia Solaria-3.
Should you choose Nova-2 Phone Call or Gladia Solaria-3?
Choose Nova-2 Phone Call for lower cost; choose Gladia Solaria-3 for accuracy, speed, and language coverage.
