2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gladia Solaria-3 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
Gladia Solaria-3
9.8% WER
Gladia
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
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.
2
Whisper Large V3
OpenAI
OpenAI's Whisper large-v3 model
30-day benchmark average
overall WER vs price
Gladia Solaria-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
7.7s
4.3s
$36.00
1,000 hours
$608.40
$360.00
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
No
Compliance
Is Gladia Solaria-3 or Whisper Large V3 more accurate?
Gladia Solaria-3 is more accurate, with a 9.8% word error rate versus 17.7% for Whisper Large V3, on our standardized benchmark.
Which is cheaper, Gladia Solaria-3 or Whisper Large V3?
Whisper Large V3 is cheaper at $0.0060/min versus $0.0101/min for Gladia Solaria-3.
Should you choose Gladia Solaria-3 or Whisper Large V3?
Choose Gladia Solaria-3 for accuracy; choose Whisper Large V3 for speed, lower cost, and language coverage.
