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Whisper Large V3 vs GPT-4o Mini Transcribe

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 is fastest; GPT-4o Mini Transcribe covers the most languages; Whisper Large V3 is cheapest.

Open both in playground

Verdict · who wins what

Most accurate

GPT-4o Mini Transcribe

13.6% WER

OpenAI

Fastest

GPT-4o Mini Transcribe

0.1× realtime

OpenAI

Most languages

GPT-4o Mini Transcribe

98 languages

OpenAI

Cheapest

Whisper Large V3

$0.0019/min

Groq

Comparing

2 models · same benchmark

1

Batch

Whisper Large V3

Groq

$0.0019/min
#11 · 79.9

OpenAI Whisper large-v3 served on Groq's LPU hardware — top Whisper accuracy at Groq speed and cost, with word-level timestamps and automatic language detection.

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2

Batch

GPT-4o Mini Transcribe

OpenAI

$0.0030/min
#9 · 81.1

GPT-4o Mini optimized for fast transcription

Use This ModelDetails →

Overview

30-day benchmark average

Overall score

0–100

79.9

81.1

Accuracy rank

of 35

#11

#9

Word error rate

WER

14.4%

13.6%

Character error rate

CER

11.2%

9.3%

Match error rate

MER

13.3%

12.8%

Word info lost

WIL

18.2%

17.8%

Languages

12

98

Cost vs. accuracy

overall WER vs price

GPT-4o Mini Transcribe

Whisper Large V3

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

68.5%
18.6%

conversational

10.9%
12.4%

finance

6.4%
6.0%

general

8.1%
11.2%

legal

2.7%
4.9%

medical

2.8%
3.5%

noisy

36.3%
40.8%

technical

5.3%
4.0%

Accuracy by accent

WER · English

african

26.2%
29.2%

australian

12.3%
12.3%

indian

19.1%
20.6%

uk

6.0%
7.5%

us

5.7%
18.9%

Speed & latency

p50 → p99

Processing speed

× realtime

0.0×

0.1×

Latency p50

3.1s

2.0s

Latency p90

3.6s

2.4s

Latency p99

3.6s

2.4s

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%

Error rate

—

0.00%

Pricing

billed per second

Rate

per minute

$0.0019

$0.0030

Billing granularity

per 1s

per 1s

1 hour of audio

$0.11

$0.18

100 hours

$11.16

$18.00

1,000 hours

$111.60

$180.00

Capabilities

Feature support

Speaker diarization

No

No

Word-level timestamps

Yes

Yes

Code-switching

No

No

Auto-detect language

Yes

Yes

Live / streaming

No

No

Custom vocabulary

No

No

Coverage & deployment

Languages · formats · regions

Languages

12

98

Mode

Batch

Batch

Region

United States

United States

Audio formats

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

Max file size

100 MB

25 MB

Max duration

No limit

No limit

Compliance

—

SOC2
GDPR

Frequently asked questions

Is Whisper Large V3 or GPT-4o Mini Transcribe more accurate?

GPT-4o Mini Transcribe is more accurate, with a 13.6% word error rate versus 14.4% for Whisper Large V3, on our standardized benchmark.

Which is cheaper, Whisper Large V3 or GPT-4o Mini Transcribe?

Whisper Large V3 is cheaper at $0.0019/min versus $0.0030/min for GPT-4o Mini Transcribe.

Should you choose Whisper Large V3 or GPT-4o Mini Transcribe?

Choose Whisper Large V3 for lower cost; choose GPT-4o Mini Transcribe for accuracy, speed, and language coverage.