2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Whisper Large V3 Turbo leads on raw accuracy; GPT-4o Transcribe is fastest; GPT-4o Transcribe covers the most languages; Whisper Large V3 Turbo is cheapest.
Verdict · who wins what
Most accurate
Whisper Large V3 Turbo
14.3% WER
Groq
Fastest
GPT-4o Transcribe
0.2× realtime
OpenAI
Most languages
GPT-4o Transcribe
98 languages
OpenAI
Cheapest
Whisper Large V3 Turbo
$0.0007/min
Groq
Comparing
2 models · same benchmark
1
Whisper Large V3 Turbo
Groq
OpenAI Whisper large-v3-turbo served on Groq's LPU hardware — very fast, very low cost batch transcription with word-level timestamps and automatic language detection.
2
GPT-4o Transcribe
OpenAI
GPT-4o optimized for transcription with improved WER
GPT-4o Transcribe
Whisper Large V3 Turbo
field · 32 models
lower-left is better
general
legal
medical
noisy
technical
uk
us
Latency p99
3.4s
2.8s
$3.96
$36.00
1,000 hours
$39.60
$360.00
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
No
No
Max file size
100 MB
25 MB
Max duration
No limit
No limit
Compliance
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Is Whisper Large V3 Turbo or GPT-4o Transcribe more accurate?
Whisper Large V3 Turbo is more accurate, with a 14.3% word error rate versus 14.8% for GPT-4o Transcribe, on our standardized benchmark.
Which is cheaper, Whisper Large V3 Turbo or GPT-4o Transcribe?
Whisper Large V3 Turbo is cheaper at $0.0007/min versus $0.0060/min for GPT-4o Transcribe.
Should you choose Whisper Large V3 Turbo or GPT-4o Transcribe?
Choose Whisper Large V3 Turbo for accuracy and lower cost; choose GPT-4o Transcribe for speed and language coverage.
