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MAI-Transcribe-2 (preview) vs GPT-4o Transcribe

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

Open both in playground

Verdict · who wins what

Most accurate

MAI-Transcribe-2 (preview)

7.8% WER

Microsoft Azure

Fastest

GPT-4o Transcribe

0.2× realtime

OpenAI

Most languages

GPT-4o Transcribe

98 languages

OpenAI

Cheapest

MAI-Transcribe-2 (preview)

$0.0017/min

Microsoft Azure

Comparing

2 models · same benchmark

1

Batch

MAI-Transcribe-2 (preview)

Microsoft Azure

$0.0017/min
#1 · 89.9

Microsoft MAI-Transcribe-2 — Microsoft AI's in-house transcription model, in public preview on Azure Speech. 60 languages with automatic language detection and mid-sentence code-switching, speaker diarization, word-level timestamps and custom vocabulary. Accepts WAV, MP3 and FLAC.

Use This ModelDetails →

2

Batch

GPT-4o Transcribe

OpenAI

$0.0060/min
#15 · 74.0

GPT-4o optimized for transcription with improved WER

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

89.9

74.0

Accuracy rank

of 36

#1

#15

Word error rate

WER

7.8%

14.8%

Character error rate

CER

6.1%

11.6%

Match error rate

MER

7.0%

14.3%

Word info lost

WIL

10.2%

18.9%

Languages

59

98

Cost vs. accuracy

overall WER vs price

GPT-4o Transcribe

MAI-Transcribe-2 (preview)

field · 34 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

16.4%
44.8%

conversational

5.2%
25.8%

finance

7.1%
6.4%

general

5.1%
8.3%

legal

2.9%
3.6%

medical

2.1%
11.6%

noisy

26.3%
34.6%

technical

1.1%
18.2%

Accuracy by accent

WER · English

african

24.6%
26.2%

australian

3.1%
12.3%

indian

9.5%
27.0%

uk

1.5%
4.5%

us

5.7%
18.9%

Speed & latency

p50 → p99

Processing speed

× realtime

—

0.2×

Latency p50

912ms

2.5s

Latency p90

946ms

2.8s

Latency p99

946ms

2.8s

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%

0.00%

Error rate

0.00%

100.00%

Pricing

billed per second

Rate

per minute

$0.0017

$0.0060

Billing granularity

per 1s

per 1s

1 hour of audio

$0.10

$0.36

100 hours

$10.08

$36.00

1,000 hours

$100.80

$360.00

Capabilities

Feature support

Speaker diarization

Yes

No

Word-level timestamps

Yes

No

Code-switching

Yes

No

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

Yes

No

Coverage & deployment

Languages · formats · regions

Languages

59

98

Mode

Batch

Batch

Region

United States

United States

Audio formats

wav
mp3
flac
mp3
wav
flac
m4a
ogg
webm

Max file size

250 MB

25 MB

Max duration

2 h

No limit

Compliance

HIPAA
SOC2
GDPR
SOC2
GDPR

Frequently asked questions

Is MAI-Transcribe-2 (preview) or GPT-4o Transcribe more accurate?

MAI-Transcribe-2 (preview) is more accurate, with a 7.8% word error rate versus 14.8% for GPT-4o Transcribe, on our standardized benchmark.

Which is cheaper, MAI-Transcribe-2 (preview) or GPT-4o Transcribe?

MAI-Transcribe-2 (preview) is cheaper at $0.0017/min versus $0.0060/min for GPT-4o Transcribe.

Should you choose MAI-Transcribe-2 (preview) or GPT-4o Transcribe?

Choose MAI-Transcribe-2 (preview) for accuracy and lower cost; choose GPT-4o Transcribe for speed and language coverage.