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Gladia Solaria-3 vs Voxtral Mini Transcribe

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

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Verdict · who wins what

Most accurate

Gladia Solaria-3

9.8% WER

Gladia

Fastest

—

—

Most languages

Voxtral Mini Transcribe

8 languages

Mistral (Voxtral)

Cheapest

Voxtral Mini Transcribe

$0.0030/min

Mistral (Voxtral)

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.

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2

Batch

Voxtral Mini Transcribe

Mistral (Voxtral)

$0.0030/min
#7 · 80.7

Mistral Voxtral Mini Transcribe — EU-hosted batch transcription with speaker diarization, segment timestamps, and custom vocabulary (context bias). Strong accuracy at very low cost; handles recordings up to 3 hours.

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Overview

30-day benchmark average

Overall score

0–100

52.2

80.7

Accuracy rank

of 35

#3

#7

Word error rate

WER

9.8%

12.7%

Character error rate

CER

5.8%

8.0%

Match error rate

MER

9.6%

11.5%

Word info lost

WIL

14.7%

15.8%

Languages

5

8

Cost vs. accuracy

overall WER vs price

Gladia Solaria-3

Voxtral Mini Transcribe

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

24.8%
21.0%

conversational

7.0%
10.0%

finance

9.5%
6.8%

Accuracy by accent

WER · English

african

24.6%
27.7%

australian

13.9%
6.2%

indian

25.4%
12.7%

Speed & latency

p50 → p99

Processing speed

× realtime

0.2×

0.2×

Latency p50

7.6s

2.3s

Latency p90

7.7s

2.3s

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

$0.0030

Billing granularity

per 1s

per 1s

1 hour of audio

$0.61

$0.18

100 hours

$60.84

Capabilities

Feature support

Speaker diarization

Yes

Yes

Word-level timestamps

Yes

No

Code-switching

No

Coverage & deployment

Languages · formats · regions

Languages

5

8

Mode

Batch

Batch

Region

EU (France)

France

Audio formats

general

9.0%
6.1%

legal

2.9%
3.1%

medical

8.9%
6.3%

noisy

—

47.4%

technical

—

5.6%

uk

7.5%
3.0%

us

13.2%
0.0%

Latency p99

7.7s

2.3s

$18.00

1,000 hours

$608.40

$180.00

No

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
webm

Max file size

1000 MB

No limit

Max duration

2 h 15 min

15 min

Compliance

GDPR
GDPR

Frequently asked questions

Is Gladia Solaria-3 or Voxtral Mini Transcribe more accurate?

Gladia Solaria-3 is more accurate, with a 9.8% word error rate versus 12.7% for Voxtral Mini Transcribe, on our standardized benchmark.

Which is cheaper, Gladia Solaria-3 or Voxtral Mini Transcribe?

Voxtral Mini Transcribe is cheaper at $0.0030/min versus $0.0101/min for Gladia Solaria-3.

Should you choose Gladia Solaria-3 or Voxtral Mini Transcribe?

Choose Gladia Solaria-3 for accuracy; choose Voxtral Mini Transcribe for lower cost and language coverage.