2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gladia Solaria-3 leads on raw accuracy; Gemini 3.5 Transcribe is fastest; Gemini 3.5 Transcribe covers the most languages; Gemini 3.5 Transcribe is cheapest.
Verdict · who wins what
Most accurate
Gladia Solaria-3
9.8% WER
Gladia
Fastest
Gemini 3.5 Transcribe
1.0× realtime
Google Gemini
Most languages
Gemini 3.5 Transcribe
72 languages
Google Gemini
Cheapest
Gemini 3.5 Transcribe
$0.0050/min
Google Gemini
Comparing
2 models · same benchmark
1
Gemini 3.5 Transcribe
Google Gemini
Google Gemini batch transcription with word timestamps, optional speaker labels and custom vocabulary.
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.
general
legal
medical
noisy
—
technical
—
uk
us
Latency p99
5.1s
7.7s
$30.24
$60.84
1,000 hours
$302.40
$608.40
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
Yes
Max file size
No limit
1000 MB
Max duration
30 min
2 h 15 min
Compliance
—
Is Gemini 3.5 Transcribe or Gladia Solaria-3 more accurate?
Gladia Solaria-3 is more accurate, with a 9.8% word error rate versus 10.4% for Gemini 3.5 Transcribe, on our standardized benchmark.
Which is cheaper, Gemini 3.5 Transcribe or Gladia Solaria-3?
Gemini 3.5 Transcribe is cheaper at $0.0050/min versus $0.0101/min for Gladia Solaria-3.
Should you choose Gemini 3.5 Transcribe or Gladia Solaria-3?
Choose Gemini 3.5 Transcribe for speed, lower cost, and language coverage; choose Gladia Solaria-3 for accuracy.
