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Whisper Large V3 Turbo vs Speechmatics Standard

2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Whisper Large V3 Turbo leads on raw accuracy; Whisper Large V3 Turbo is fastest; Speechmatics Standard covers the most languages; Whisper Large V3 Turbo is cheapest.

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Verdict · who wins what

Most accurate

Whisper Large V3 Turbo

12.9% WER

Cloudflare

Fastest

Whisper Large V3 Turbo

1.0× realtime

Cloudflare

Most languages

Speechmatics Standard

48 languages

Speechmatics

Cheapest

Whisper Large V3 Turbo

$0.0005/min

Cloudflare

Comparing

2 models · same benchmark

1

Batch

Whisper Large V3 Turbo

Cloudflare

$0.0005/min
#12 · 76.7

OpenAI Whisper large-v3-turbo hosted by Cloudflare Workers AI, with word-level timestamps and automatic language detection.

Use This ModelDetails →

2

Batch

Speechmatics Standard

Speechmatics

$0.0050/min
#18 · 60.9

Cost-effective model — fast turnaround, 55+ languages

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

76.7

60.9

Accuracy rank

of 40

#12

#18

Word error rate

WER

12.9%

14.7%

Character error rate

CER

9.2%

9.8%

Match error rate

MER

11.9%

13.8%

Word info lost

WIL

16.3%

19.3%

Languages

12

48

Cost vs. accuracy

overall WER vs price

Speechmatics Standard

Whisper Large V3 Turbo

field · 38 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

23.2%
54.2%

conversational

10.0%
7.3%

finance

6.7%
7.9%

general

10.7%
7.4%

legal

2.8%
4.0%

medical

2.1%
7.8%

noisy

36.3%
50.3%

technical

5.2%
4.6%

Accuracy by accent

WER · English

african

24.6%
13.9%

australian

36.9%
13.9%

indian

23.8%
6.3%

uk

6.0%
0.0%

us

9.4%
3.8%

Speed & latency

p50 → p99

Processing speed

× realtime

1.0×

0.1×

Latency p50

5.3s

7.1s

Latency p90

5.3s

7.3s

Latency p99

5.3s

7.3s

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

$0.0005

$0.0050

Billing granularity

per 1s

per 1s

1 hour of audio

$0.03

$0.30

100 hours

$3.24

$29.88

1,000 hours

$32.40

$298.80

Capabilities

Feature support

Speaker diarization

No

Yes

Word-level timestamps

Yes

Yes

Code-switching

No

Yes

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

No

Yes

Coverage & deployment

Languages · formats · regions

Languages

12

48

Mode

Batch

Batch

Region

Global

Europe

Audio formats

mp3
wav
flac
m4a
ogg
webm
mp3
wav
flac
m4a
ogg

Max file size

25 MB

1 GB

Max duration

No limit

No limit

Compliance

—

SOC2
GDPR

Frequently asked questions

Is Whisper Large V3 Turbo or Speechmatics Standard more accurate?

Whisper Large V3 Turbo is more accurate, with a 12.9% word error rate versus 14.7% for Speechmatics Standard, on our standardized benchmark.

Which is cheaper, Whisper Large V3 Turbo or Speechmatics Standard?

Whisper Large V3 Turbo is cheaper at $0.0005/min versus $0.0050/min for Speechmatics Standard.

Should you choose Whisper Large V3 Turbo or Speechmatics Standard?

Choose Whisper Large V3 Turbo for accuracy, speed, and lower cost; choose Speechmatics Standard for language coverage.