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Whisper Large V3 Turbo vs GPT Transcribe

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

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Verdict · who wins what

Most accurate

GPT Transcribe

9.6% WER

OpenAI

Fastest

Whisper Large V3 Turbo

1.0× realtime

Cloudflare

Most languages

GPT Transcribe

62 languages

OpenAI

Cheapest

Whisper Large V3 Turbo

$0.0005/min

Cloudflare

Comparing

2 models · same benchmark

1

Batch

Whisper Large V3 Turbo

Cloudflare

$0.0005/min
#10 · 76.7

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

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2

Batch

GPT Transcribe

OpenAI

$0.0045/min
#4 · 79.2

OpenAI GPT Transcribe — OpenAI's current file-transcription model and the successor to GPT-4o Transcribe and Whisper. Detects the spoken language automatically and accepts custom vocabulary. Returns the transcript text without word-level timestamps.

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Overview

30-day benchmark average

Overall score

0–100

76.7

79.2

Accuracy rank

of 37

#10

#4

Word error rate

WER

12.9%

9.6%

Character error rate

CER

9.2%

7.1%

Match error rate

MER

11.9%

9.2%

Word info lost

WIL

16.3%

13.7%

Languages

12

62

Cost vs. accuracy

overall WER vs price

GPT Transcribe

Whisper Large V3 Turbo

field · 35 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

23.2%
20.4%

conversational

10.0%
11.4%

finance

6.7%
5.6%

general

10.7%
8.3%

legal

2.8%
3.1%

medical

2.1%
2.3%

noisy

36.3%
20.8%

technical

5.2%
4.2%

Accuracy by accent

WER · English

african

24.6%
18.5%

australian

36.9%
23.1%

indian

23.8%
20.6%

uk

6.0%
11.9%

us

9.4%
11.3%

Speed & latency

p50 → p99

Processing speed

× realtime

1.0×

—

Latency p50

5.3s

2.3s

Latency p90

5.3s

2.3s

Latency p99

5.3s

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%

77.78%

Error rate

0.00%

22.22%

Pricing

billed per second

Rate

per minute

$0.0005

$0.0045

Billing granularity

per 1s

per 1s

1 hour of audio

$0.03

$0.27

100 hours

$3.24

$27.00

1,000 hours

$32.40

$270.00

Capabilities

Feature support

Speaker diarization

No

No

Word-level timestamps

Yes

No

Code-switching

No

No

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

No

Yes

Coverage & deployment

Languages · formats · regions

Languages

12

62

Mode

Batch

Batch

Region

Global

United States

Audio formats

mp3
wav
flac
m4a
ogg
webm
mp3
m4a
wav
webm

Max file size

25 MB

25 MB

Max duration

No limit

No limit

Compliance

—

SOC2
GDPR

Frequently asked questions

Is Whisper Large V3 Turbo or GPT Transcribe more accurate?

GPT Transcribe is more accurate, with a 9.6% word error rate versus 12.9% for Whisper Large V3 Turbo, on our standardized benchmark.

Which is cheaper, Whisper Large V3 Turbo or GPT Transcribe?

Whisper Large V3 Turbo is cheaper at $0.0005/min versus $0.0045/min for GPT Transcribe.

Should you choose Whisper Large V3 Turbo or GPT Transcribe?

Choose Whisper Large V3 Turbo for speed and lower cost; choose GPT Transcribe for accuracy and language coverage.