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; Nova-3 covers the most languages; Nova-3 is cheapest.
Verdict · who wins what
Most accurate
Gladia Solaria-3
10.6% WER
Gladia
Fastest
Gladia Solaria-3
0.2× realtime
Gladia
Most languages
Nova-3
47 languages
Deepgram
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
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-3
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
2.7s
7.7s
1.02×
—
Flicker
83.5%
—
Cadence
0.8/s
—
$46.08
$60.84
1,000 hours
$460.80
$608.40
No
Auto-detect language
Yes
Yes
Live / streaming
Yes
No
Custom vocabulary
Yes
Yes
Compliance
Is Nova-3 or Gladia Solaria-3 more accurate?
Gladia Solaria-3 is more accurate, with a 10.6% word error rate versus 30.8% for Nova-3, on our standardized benchmark.
Which is cheaper, Nova-3 or Gladia Solaria-3?
Nova-3 is cheaper at $0.0077/min versus $0.0101/min for Gladia Solaria-3.
Should you choose Nova-3 or Gladia Solaria-3?
Choose Nova-3 for lower cost and language coverage; choose Gladia Solaria-3 for accuracy and speed.
