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

Chirp 3 vs Voxtral Mini Transcribe

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

Open both in playground

Verdict · who wins what

Most accurate

Chirp 3

10.0% WER

Google Cloud

Fastest

Chirp 3

0.3× realtime

Google Cloud

Most languages

Chirp 3

68 languages

Google Cloud

Cheapest

Voxtral Mini Transcribe

$0.0030/min

Mistral (Voxtral)

Comparing

2 models · same benchmark

1

Batch

Chirp 3

Google Cloud

$0.0107/min
#4 · 45.0

Google's latest generative ASR foundation model — 85+ languages

Use This ModelDetails →

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.

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

45.0

80.7

Accuracy rank

of 35

#4

#7

Word error rate

WER

10.0%

12.7%

Character error rate

CER

5.8%

8.0%

Match error rate

MER

9.7%

11.5%

Word info lost

WIL

14.1%

15.8%

Languages

68

8

Cost vs. accuracy

overall WER vs price

Chirp 3

Voxtral Mini Transcribe

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

17.1%
21.0%

conversational

4.7%
10.0%

finance

7.1%
6.8%

general

8.2%
6.1%

legal

2.9%
3.1%

medical

1.9%
6.3%

noisy

29.2%
47.4%

technical

3.7%
5.6%

Accuracy by accent

WER · English

african

20.0%
27.7%

australian

16.9%
6.2%

indian

27.0%
12.7%

uk

3.0%
3.0%

us

5.7%
0.0%

Speed & latency

p50 → p99

Processing speed

× realtime

0.3×

0.2×

Latency p50

11.0s

2.3s

Latency p90

11.2s

2.3s

Latency p99

11.2s

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

69.23%

100.00%

Error rate

30.77%

0.00%

Pricing

billed per second

Rate

per minute

$0.0107

$0.0030

Billing granularity

per 15s

per 1s

1 hour of audio

$0.64

$0.18

100 hours

$64.08

$18.00

1,000 hours

$640.80

$180.00

Capabilities

Feature support

Speaker diarization

Yes

Yes

Word-level timestamps

No

No

Code-switching

Yes

No

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

Yes

Yes

Coverage & deployment

Languages · formats · regions

Languages

68

8

Mode

Batch

Batch

Region

United States

France

Audio formats

mp3
wav
flac
ogg
webm
amr
mp3
wav
flac
m4a
ogg
webm

Max file size

No limit

No limit

Max duration

8 h

15 min

Compliance

HIPAA
SOC2
GDPR
GDPR

Frequently asked questions

Is Chirp 3 or Voxtral Mini Transcribe more accurate?

Chirp 3 is more accurate, with a 10.0% word error rate versus 12.7% for Voxtral Mini Transcribe, on our standardized benchmark.

Which is cheaper, Chirp 3 or Voxtral Mini Transcribe?

Voxtral Mini Transcribe is cheaper at $0.0030/min versus $0.0107/min for Chirp 3.

Should you choose Chirp 3 or Voxtral Mini Transcribe?

Choose Chirp 3 for accuracy, speed, and language coverage; choose Voxtral Mini Transcribe for lower cost.