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; 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
Gladia Solaria-3
0.2× realtime
Gladia
Most languages
Whisper Large V3
12 languages
Groq
Cheapest
Whisper Large V3
$0.0019/min
Groq
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
Groq
OpenAI Whisper large-v3 served on Groq's LPU hardware — top Whisper accuracy at Groq speed and cost, with word-level timestamps and automatic language detection.
Gladia Solaria-3
Whisper Large V3
field · 33 models
lower-left is better
general
legal
medical
noisy
—
technical
—
uk
us
Latency p99
7.7s
3.6s
$11.16
1,000 hours
$608.40
$111.60
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
No
Max file size
1000 MB
100 MB
Max duration
2 h 15 min
No limit
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 14.4% for Whisper Large V3, on our standardized benchmark.
Which is cheaper, Gladia Solaria-3 or Whisper Large V3?
Whisper Large V3 is cheaper at $0.0019/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 and speed; choose Whisper Large V3 for lower cost and language coverage.
