2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gladia Solaria-3 leads on raw accuracy; Rev AI Reverb covers the most languages; Rev AI Reverb is cheapest.
Verdict · who wins what
Most accurate
Gladia Solaria-3
10.6% WER
Gladia
Fastest
—
—
Most languages
Rev AI Reverb
20 languages
Rev AI
Cheapest
Rev AI Reverb
$0.0030/min
Rev AI
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
Rev AI Reverb
Rev AI
Rev AI Reverb — async speech-to-text built on Rev's Reverb ASR model (trained on 3M+ hours of human-transcribed audio), with speaker diarization for up to 8 speakers and word-level timestamps. English-core with broad language support via the async API.
30-day benchmark average
overall WER vs price
Rev AI Reverb
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
7.7s
13.9s
$18.00
1,000 hours
$608.40
$180.00
No
Auto-detect language
Yes
No
Live / streaming
No
No
Custom vocabulary
Yes
No
Compliance
—
Is Gladia Solaria-3 or Rev AI Reverb more accurate?
Gladia Solaria-3 is more accurate, with a 10.6% word error rate versus 21.5% for Rev AI Reverb, on our standardized benchmark.
Which is cheaper, Gladia Solaria-3 or Rev AI Reverb?
Rev AI Reverb is cheaper at $0.0030/min versus $0.0101/min for Gladia Solaria-3.
Should you choose Gladia Solaria-3 or Rev AI Reverb?
Choose Gladia Solaria-3 for accuracy; choose Rev AI Reverb for lower cost and language coverage.
