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GPT-4o Mini Transcribe vs Speechmatics Standard

2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. GPT-4o Mini Transcribe leads on raw accuracy; GPT-4o Mini Transcribe covers the most languages; GPT-4o Mini Transcribe is cheapest.

Open both in playground

Verdict · who wins what

Most accurate

GPT-4o Mini Transcribe

13.6% WER

OpenAI

Fastest

—

—

Most languages

GPT-4o Mini Transcribe

98 languages

OpenAI

Cheapest

GPT-4o Mini Transcribe

$0.0030/min

OpenAI

Comparing

2 models · same benchmark

1

Batch

GPT-4o Mini Transcribe

OpenAI

$0.0030/min
#9 · 81.1

GPT-4o Mini optimized for fast transcription

Use This ModelDetails →

2

Batch

Speechmatics Standard

Speechmatics

$0.0050/min
#13 · 60.9

Cost-effective model — fast turnaround, 55+ languages

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

81.1

60.9

Accuracy rank

of 35

#9

#13

Word error rate

WER

13.6%

14.7%

Character error rate

CER

9.3%

9.8%

Match error rate

MER

12.8%

13.8%

Word info lost

WIL

17.8%

19.3%

Languages

98

48

Cost vs. accuracy

overall WER vs price

GPT-4o Mini Transcribe

Speechmatics Standard

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

18.6%
54.2%

conversational

12.4%
7.3%

finance

6.0%

Accuracy by accent

WER · English

african

29.2%
13.9%

australian

12.3%
13.9%

indian

20.6%
6.3%

Speed & latency

p50 → p99

Processing speed

× realtime

0.1×

0.1×

Latency p50

2.0s

7.1s

Latency p90

2.4s

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

$0.0030

$0.0050

Billing granularity

per 1s

per 1s

1 hour of audio

$0.18

$0.30

100 hours

Capabilities

Feature support

Speaker diarization

No

Yes

Word-level timestamps

Yes

Yes

Code-switching

No

Coverage & deployment

Languages · formats · regions

Languages

98

48

Mode

Batch

Batch

Region

United States

Europe

Audio formats

7.9%

general

11.2%
7.4%

legal

4.9%
4.0%

medical

3.5%
7.8%

noisy

40.8%
50.3%

technical

4.0%
4.6%

uk

7.5%
0.0%

us

18.9%
3.8%

Latency p99

2.4s

7.3s

$18.00

$29.88

1,000 hours

$180.00

$298.80

Yes

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

No

Yes

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
SOC2
GDPR

Frequently asked questions

Is GPT-4o Mini Transcribe or Speechmatics Standard more accurate?

GPT-4o Mini Transcribe is more accurate, with a 13.6% word error rate versus 14.7% for Speechmatics Standard, on our standardized benchmark.

Which is cheaper, GPT-4o Mini Transcribe or Speechmatics Standard?

GPT-4o Mini Transcribe is cheaper at $0.0030/min versus $0.0050/min for Speechmatics Standard.

Should you choose GPT-4o Mini Transcribe or Speechmatics Standard?

GPT-4o Mini Transcribe is the stronger choice overall, leading on accuracy, lower cost, and language coverage.