OpenTranscription
OpenTranscription
RankerModelsPlayground
OpenTranscription
OpenTranscription

One API to every speech-to-text model worth using. Compare them on your audio, route to the best one, pay per second.

Platform status

Product

RankerModelsTranscriptionsPlaygroundBlog

Developers

DocumentationReliabilityAPI VersioningStatus

Legal

Privacy PolicyTerms of ServiceSupport
© 2026 OpenTranscription
Back to Models

Gladia Solaria-3 vs Speechmatics Enhanced

2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gladia Solaria-3 leads on raw accuracy; Speechmatics Enhanced is fastest; Speechmatics Enhanced covers the most languages; Speechmatics Enhanced is cheapest.

Open both in playground

Verdict · who wins what

Most accurate

Gladia Solaria-3

9.8% WER

Gladia

Fastest

Speechmatics Enhanced

0.3× realtime

Speechmatics

Most languages

Speechmatics Enhanced

48 languages

Speechmatics

Cheapest

Speechmatics Enhanced

$0.0083/min

Speechmatics

Comparing

2 models · same benchmark

1

Batch

Gladia Solaria-3

Gladia

$0.0101/min
#3 · 52.2

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.

Use This ModelDetails →

2

Batch

Speechmatics Enhanced

Speechmatics

$0.0083/min
#6 · 47.3

Highest accuracy model — 55+ languages, best-in-class

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

52.2

47.3

Accuracy rank

of 35

#3

#6

Word error rate

WER

9.8%

12.3%

Character error rate

CER

5.8%

8.0%

Match error rate

MER

9.6%

11.3%

Word info lost

WIL

14.7%

16.2%

Languages

5

48

Cost vs. accuracy

overall WER vs price

Speechmatics Enhanced

Gladia Solaria-3

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

24.8%
39.2%

conversational

7.0%
6.4%

finance

9.5%
6.8%

Accuracy by accent

WER · English

african

24.6%
7.7%

australian

13.9%
7.7%

indian

25.4%
9.5%

Speed & latency

p50 → p99

Processing speed

× realtime

0.2×

0.3×

Latency p50

7.6s

8.7s

Latency p90

7.7s

12.1s

Realtime / streaming

Streaming benchmark averages

Realtime rank

—

—

Realtime score

0–100

—

—

Time to first word

—

—

Final drain

—

—

Real-time factor

—

—

Flicker

—

—

Cadence

—

—

Reliability

Rolling 30 days

Uptime

100.00%

100.00%

Error rate

0.00%

0.00%

Pricing

billed per second

Rate

per minute

$0.0101

$0.0083

Billing granularity

per 1s

per 1s

1 hour of audio

$0.61

$0.50

100 hours

$60.84

Capabilities

Feature support

Speaker diarization

Yes

Yes

Word-level timestamps

Yes

Yes

Code-switching

No

Coverage & deployment

Languages · formats · regions

Languages

5

48

Mode

Batch

Batch

Region

EU (France)

Europe

Audio formats

general

9.0%
7.2%

legal

2.9%
2.2%

medical

8.9%
5.7%

noisy

—

40.8%

technical

—

5.3%

uk

7.5%
3.0%

us

13.2%
1.9%

Latency p99

7.7s

12.1s

$49.68

1,000 hours

$608.40

$496.80

Yes

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

Yes

Yes

mp3
wav
flac
m4a
ogg
webm
aac
mp3
wav
flac
m4a
ogg

Max file size

1000 MB

1 GB

Max duration

2 h 15 min

No limit

Compliance

GDPR
SOC2
GDPR

Frequently asked questions

Is Gladia Solaria-3 or Speechmatics Enhanced more accurate?

Gladia Solaria-3 is more accurate, with a 9.8% word error rate versus 12.3% for Speechmatics Enhanced, on our standardized benchmark.

Which is cheaper, Gladia Solaria-3 or Speechmatics Enhanced?

Speechmatics Enhanced is cheaper at $0.0083/min versus $0.0101/min for Gladia Solaria-3.

Should you choose Gladia Solaria-3 or Speechmatics Enhanced?

Choose Gladia Solaria-3 for accuracy; choose Speechmatics Enhanced for speed, lower cost, and language coverage.